• Proactively drive the execution of end-to-end data platform, data quality roadmap for Search & Discovery ML efforts
• Take ownership, consolidate and optimize the Search & Discovery core data logging, processing, and ML model training pipelines
• Develop and scale data infrastructure that powers batch and real-time data processing, monitoring, and debugging for ML experiments
• Drive design and implementation of scalable ML based ranking system and online ML inference services
• Build strong cross-functional partnerships with Data Scientists, Analysts, Product Managers, Indexing Platform Engineers, Ranking Engineers and Data Platform Engineers to understand both the offline and online needs and deliver on those needs
• Research, analyze and select technical approaches for solving difficult and challenging development and integration problems, coach and mentor other engineers in process and methodologies

Basic Qualifications

• Bachelor's degree in computer science, electrical engineering, mathematics, statistics or 
  closely related fields
• 8 years of professional experience in applied machine learning
• Experience in machine learning, deep learning, and statistical modeling
• Proficiency in Python and/or Java, with experience in building production grade ML 
  systems

Preferred Qualifications

• Computer science fundamentals: data structures, algorithms, performance complexity, and implications of computer architecture on software performance (e.g., I/O and memory tuning)
• Experience with Big Data tools and ETL frameworks (Hadoop, Hive, Presto, Spark, Scala, Apache Airflow, etc.)
• Experience with ML frameworks such as Tensorflow and Pytorch
• Experience with deploying highly robust and scalable data pipelines processing petabytes of data
• Experience in managing mission critical services with high throughput and low latency
• Experience with integrating applications and platforms with cloud technologies (i.e, AWS and GCP)
• Strong verbal and written communication skills
• Ability to conduct meetings and make professional presentations, and explain complex concepts and technical material to non-technical users
• Experience with machine learning platform for search & discovery related rankings is a strong plus

Pay & Benefits

Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation.

The base pay for this position ranges from $174,000K/year to $299,000K/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Public Holidays
• Paid Parental leave
• Pre-tax commuter benefits
• MTV - [Free] Electric Car Charging Station

General Description of Other Compensation

"Other Compensation" includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale. 

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.

If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Job Requisition ID: R0069890

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Role Overview

What You Will do

• Design features and build large-scale machine learning models and systems to improve ad targeting, relevance, ranking, and engagement
• Design and implement large-scale ML systems for search ranking, semantic retrieval, query understanding, and personalized product discovery using state-of-the-art techniques such as transformer-based models, contrastive learning, and vector search
• Drive innovation in search relevance and user intent modeling using large language models (LLMs), embedding-based retrieval, and multi-modal learning
• Build and optimize ML pipelines using tools such as Apache Spark, Airflow, Kubeflow, and MLflow, ensuring reproducibility, scalability, and operational excellence
• Define and track key performance metrics to evaluate model impact and identify high[1]leverage opportunities for improvement
• Collaborate cross-functionally with product, engineering, and data science teams to align technical solutions with business goals and customer experience
• Mentor and grow engineering talent, fostering a culture of technical excellence, experimentation and continuous learning

Basic Qualifications

• Bachelor's degree in computer science, electrical engineering, mathematics, statistics or closely related fields
• 4 years of professional experience in applied machine learning
• Experience in machine learning, deep learning, and statistical modeling
• Proficiency in Python and/or Java, with experience in building production grade ML systems

Preferred Qualifications

• Master’s or PhD in relevant technical fields
• Experience with search systems, information retrieval or recommendation engines
• Experience with LLMs, embeddings, and vector search technologies
• Experience with cloud platforms such as AWS, Google Cloud Platform including services like Vertex AI, BigQuery or SageMaker
• Experience working in startup or high-growth environments
• Proven ability to lead-cross-functional teams and deliver results in a multicultural, global organization
• Hands-on experience with modern ML frameworks such as TensorFlow, PyTorch, Scikit[1]learn, Keras, XGBoost, LightGMB, and H2o.ai
• Experience with ML lifecycle tools such as MLflow, Kubeflow, Weights & Biases, or Amazon SageMaker
• Excellent communication skills with the ability to explain complex technical concepts to both technical and non-technical stakeholders
• Demonstrated ability to work independently and manage ambiguity in fast-paced environments

Pay & Benefits

Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation.

The base pay for Staff position ranges from $152K/year to $277K/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

• Annual bonus is 0-20% of the base salary
• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Public Holidays
• 6 weeks Paid Parental leave
• Pre-tax commuter benefits
• MTV - [Free] Electric Car Charging Station

General Description of Other Compensation

“Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate.

Recruitment Process

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer

• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.

• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.

• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.

• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Job Req: R0069012

Sr. Staff ll, AI Engineer - Search (L7-2)

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce, and we are growing fast in Taiwan commerce as well.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.  

About the Role

We are looking for a Sr. Staff ll, AI Native, AI First Engineer to pioneer and architect entirely new applications where Generative AI and Large Language Models (LLMs) serve as the fundamental core intelligence.

At Coupang, we are redefining the boundaries of what is possible. This role is at the forefront of our invention strategy, building systems that are not just AI-enhanced, but AI-native from the ground up to deliver transformative customer and operational experiences.

In this role, you will own the end-to-end lifecycle of high-scale, non-deterministic AI systems—from rapid prototyping and architectural design to full-scale production deployment. You will operate with a full-stack AI mindset, leveraging cutting-edge LLM technology to solve complex problems and create entirely new product paradigms.

This is a high-impact, pioneering role where you will drive innovation at scale, shape the future of our product intelligence, and demonstrate a proven track record of taking transformative AI concepts from zero to production.

What You Will Do

• Design, architect, and own the full lifecycle of novel, end-to-end applications centered on generative AI and LLMs to create new e-commerce experiences.
• Develop and manage production AI infrastructure, including vector databases, high-throughput inference, and real-time data pipelines for context enrichment and low-latency serving.
• Develop and maintain strong RAG frameworks, grounding AI applications in Coupang’s proprietary product catalog, user history, and operational knowledge bases for factual accuracy and relevance.
• Implement advanced prompt engineering, agentic design, and complex LLM chains to build intelligent, stable software services.
• Enforce AI reliability, monitoring, and safety to manage model non-determinism, minimizing hallucinations and optimizing large-scale cost-efficiency.
• Rapidly prototype and productionize new AI capabilities to drive innovation and advance Coupang's mission to "build the future of commerce."

What We’re Looking For

Required Qualifications

• 3 years of experience in software engineering, with solid coding skills and critical code review capabilities, as well as a deep specialization in leveraging Large Language Models (LLMs) and Generative AI systems and productivity tools.
• Strong product-led engineering mindset with the ability to bridge the gap between cutting-edge AI research and practical, user-centric product features.
• Proven experience owning end-to-end AI applications, including:
• Generative AI agents and conversational interfaces.
• RAG (Retrieval-Augmented Generation) pipelines.
• LLM fine-tuning and optimization for specific domains.
• AI-powered automation and workflow systems.
• Demonstrated track record of taking AI-first products from concept to production, driving measurable improvements in user engagement, operational efficiency, or system performance.
• Deep technical understanding of modern AI stacks, including:
• Prompt engineering and LLM orchestration frameworks (e.g., LangChain, LlamaIndex).
• Vector databases and semantic search architectures.
• Scalable MLOps for non-deterministic AI models.

Preferred Qualifications

• Experience in high-traffic, large-scale consumer AI environments (e.g., LLM-based assistants, search/recommendation systems, or generative content platforms)
• Experience leading or contributing to cross-functional AI research and product engineering teams.
• Experience building and launching 0→1 Generative AI products or integrating LLMs into existing complex product surfaces.
• Strong background in fast-scaling technology companies with a deep understanding of the challenges in deploying non-deterministic systems at scale.
• Passion for continuous experimentation and rapid prototyping to solve ambiguous customer problems using the latest advancements in AI/ML.
• Exposure/experience in ecommerce search.

Pay & Benefits: 

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.   

The base pay for this position ranges from $171,000/year in our lowest geographic market to $351,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. 

 General Description of All Benefits:    

• Medical/Dental/Vision/Life, AD&D insurance   
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)  
• Long-term/Short-term Disability  
• Employee Assistance Program (EAP) program  
• 401K Plan with Company Match  
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure  
• 12 Public Holidays  
• Paid Parental leave  
• Pre-tax commuter benefits  
• MTV - [Free] Electric Car Charging Station   

General Description of Other Compensation:  

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.   

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.    If you need assistance and/or reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.  

• Strategic Impact: Define and execute on the vision, strategy, and roadmap for Search - driving quarterly planning and driving daily execution to deliver unique customer experiences.
• Goal Ownership & Execution: Partner with business and technology stakeholders to define OKRs and identify key problems that unlock targeted growth. Own and deliver OKRs by defining product roadmaps and driving day-to-day execution, ensuring high-quality and timely delivery.
• Metrics Definition & Data-Driven Insights: Define input and output metrics, regularly reviewing them to proactively gain insights and improve search. Conduct deep data analysis to generate actionable insights for defining and solving complex business problems.
• Competitive Analysis & Benchmarking: Perform competitive analysis to understand how leading eCommerce businesses solve problems and benchmark Coupang’s products and practices against global best-in-class standards, identifying opportunities for improvement.
• Cross-Functional Collaboration: Effectively communicate, collaborate, and drive alignment with diverse stakeholders, including senior executives across business and technology partners, ensuring seamless execution.
• Team Development & Culture: Conduct product manager interviews and participate in hiring decisions to attract top talent. Provide performance feedback for peers and partners, fostering a culture of excellence and continuous improvement.

• Experience with Search/Ads or large scale ML systems
• Hands on experience vibe coding and building prototypes with LLMs
• MBA with a Bachelor's degree in Computer Science, Engineering, or equivalent experience.
• 10+ years of experience in ML product management, including developing, delivering, and executing on a strong product vision.
•  AI first analytical thinker who works well in a global, fast-paced, data-driven, cross-functional, and highly ambiguous entrepreneurial culture.
• Bias for action and willingness to dive deep and get your hands dirty to get the job done.
• Sound business judgment and proven ability to effectively communicate and influence others, including executive level reviews.
• Ability to think strategically and at the same time stay on top of tactical execution.

• Background in Search/Ads ML
• Experience in launching and scaling consumer facing products, with ecommerce experience a definite plus
• Experience working with multiple teams across different geographies

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.  If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Job Requisition ID: R0071803

Director ll, Product Management – Search & Discovery

Company Introduction

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Search and Discovery Product

The Search and Discovery Product Team is responsible for creating a world class search and discovery shopping experience for our customers, from “intent” based shopping to delighting the customer with serendipitous product discovery on every visit.

We are obsessed with optimizing the entire search customer journey, from query understanding and search relevance to personalized and category/mission aware search and recommendation We believe the experience of finding the right fresh groceries delivered to your door the next morning, should be personal and different from shopping for a new laptop or your next pair of jeans. Search and Recommendations drive over 70% of product discovery for our millions of daily customers, so the scale and impact of our work is massive!

The Role

With the latest advances in AI/ML, we have the opportunity to rethink the traditional search stack to deliver unique high-quality experiences to our customers that were traditionally outside the realm of possibility. This Search Product leader will be responsible for a key area of Search within the Search & Discovery org as a senior Tech lead who may be required to mentor some junior PMs along with their own IC scope.

What You Will Do

• Strategic Impact: Define and execute on the vision, strategy, and roadmap for Search - driving quarterly planning and driving daily execution to deliver unique customer experiences

• Goal Ownership & Execution: Partner with business and technology stakeholders to define OKRs and identify key problems that unlock targeted growth. Own and deliver OKRs by defining product roadmaps and driving day-to-day execution, ensuring high-quality and timely delivery

• Metrics Definition & Data-Driven Insights: Define input and output metrics, regularly reviewing them to proactively gain insights and improve search. Conduct deep data analysis to generate actionable insights for defining and solving complex business problems

• Competitive Analysis & Benchmarking: Perform competitive analysis to understand how leading eCommerce businesses solve problems and benchmark Coupang’s products and practices against global best-in-class standards, identifying opportunities for improvement

• Cross-Functional Collaboration: Effectively communicate, collaborate, and drive alignment with diverse stakeholders, including senior executives across business and technology partners, ensuring seamless execution

• Team Development & Culture: Conduct product manager interviews and participate in hiring decisions to attract top talent. Provide performance feedback for peers and partners, fostering a culture of excellence and continuous improvement

Basic Qualifications

• Experience with Search/Ads or large-scale ML systems
• Hands on experience vibe coding and building prototypes with LLMs
• MBA with a Bachelor's degree in Computer Science, Engineering, or equivalent experience
• 15+ years of experience in ML product management, including developing, delivering, and executing on a strong product vision
• AI first analytical thinker who works well in a global, fast-paced, data-driven, cross-functional, and highly ambiguous entrepreneurial culture
• Bias for action and willingness to dive deep and get your hands dirty to get the job done.
• Sound business judgment and proven ability to effectively communicate and influence others, including executive level reviews.
• Ability to think strategically and at the same time stay on top of tactical execution.
• Mentoring junior product managers

Preferred Qualifications:

• Background in Search/Ads ML 
• Experience in launching and scaling consumer facing products, with ecommerce experience a definite plus
• Experience working with multiple teams across different geographies

Pay & Benefits:

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.  

The base pay for this position ranges from $186,000/year in our lowest geographic market to $319,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

 General Description of All Benefits:   

• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Public Holidays
• Paid Parental leave
• up to 6 weeks of Paid Parental leave
• Pre-tax commuter benefits
• MTV - [Free] Electric Car Charging Station

General Description of Other Compensation: 

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.  

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Coupang does not discriminate against disabled applicants or those with veteran status. We are proud to offer equal opportunities for all applicants.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled.) may receive preferential treatment for employment in accordance with applicable

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Equal Opportunities for All

• Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

About Coupang

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Team Overview

Coupang Eats is offering both food delivery and quick-commerce solutions to Korean customers. Additionally the food delivery experience is also available in the Japanese market. Within this space, the team is responsible for the search funnel for these 3 verticals. This encompasses all the different layers of search (retrieval, relevance, query understanding, ranking, etc.).

Search is a fast-growing area, and we are working to improve the quality of search to ensure that customers find the best dish, store or item for them. We use the state-of-the-art Machine Learning and Deep Learning technologies to ensure the best quality of search, and we are continuously innovating and building highly scalable systems to support the growing business and customer engagement.

Role Overview

As a Sr. Staff Machine Learning Engineer for Search, you will be responsible for the design, development, maintenance, and improvement of the end-to-end search quality and systems. Since the scope ranges across all the search layers (retrieval, relevance query understanding, intent expression, ranking, etc.) there are a wide range of customer problems to resolve. This will  require designing and maintaining multiple foundational models. You will run experiments to validate in a controlled environment and launch any features and ranking improvements that would improve the customer experience.

Key Responsibilities

• Tech Leader for the Coupang Eats Search system, the most important funnel for customer to discover the food they need
• Operate across two different business verticals across two different markets
• Develop new Machine Learning models to improve the end-to-end search quality
• Build the foundational LLM models powering the search system
• Improve the search quality through experimentation

Qualifications

• Experience working with large-scale, complex datasets to extract robust features and create reliable machine learning models
• Track record of diving into data to discover hidden patterns and solving problems with data science
• Fast paced self-learner with proven record of launching successful features and improving business metrics
• Tech lead working with coworkers across teams to solve critical customer problems
• Strong communication skills and full proficiency in English or Korea

Preferred Qualifications

• Master’s or Ph.D. degree in Computer Science, Mathematics or related science majors
• Industrial experience leveraging and tuning LLM for search quality improvement
• Industrial experience working with online serving system working at scale
• Excellent communicator with great listening skills, growth mindset and can-do attitude
• Strong communication skills and full proficiency in English and Korea

Recruitment Process 

• Application Review - 1st Interview (Virtual) - 2nd Interview (Virtual) - Offer 
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. 
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. 

Details to Consider 

• This job posting may be closed prior to the stated end date for application if all openings are filled.    
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.    
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.
• Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.

Privacy Notice 

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. 

        https://www.coupang.jobs/en/privacy-policy/

Document Return Policy

• This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.
• A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act.  However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company.  In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant. 
• A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company (Coupang Recruiting Team, Tower 730, 570 Songpa-daero, Songpa-gu, Seoul). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail.  Please be informed that the job applicant is required to pay the postage on the registered mail. 
• In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process.  If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act. 
• Hiring may be restricted in case the legal qualifications required for hiring and work performance are not met.

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Sr. Director, Search AI - Product Engineering

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.  

About the Role

We are looking for a Senior Director to lead and evolve Coupang’s core search experience, powered by cutting-edge AI and machine learning.

Search is at the heart of Coupang’s customer experience —shaping how millions of customers discover products every day. Improvements in search directly translate into better discovery, higher engagement, and meaningful business impact.

In this role, you will own the end-to-end search experience - from product direction to ML systems to business outcomes.  This role will shape how millions of customers find what they need and lead innovation in AI-powered search at scale and will drive some of the most important metrics in the company.

This is a high-impact leadership role where you will drive innovation at scale, influence company-wide metrics, and lead a world-class team across engineering and machine learning.

What You Will Do

• Own and evolve Coupang’s search experience end-to-end
• Define and execute the product and technical roadmap for search
• Drive measurable impact on key business metrics
• Lead and scale a multi-layer organization across
• Partner closely with Product, Design, and Business leaders to deliver best-in-class customer experiences
• Build and launch new search capabilities (0→1) while continuously improving existing systems

What We’re Looking For

Required Qualifications

• 10+ years of experience in software engineering and/or machine learning
• Strong product mindset with the ability to connect technical decisions to customer experience and business outcomes
• Strong experience owning user-facing ML products such as:

• Search
• Recommendation systems
• Ads ranking
• Marketplace discovery

• Demonstrated track record of driving measurable business impact (e.g., engagement, conversion, revenue)
• Deep understanding of search and recommendation systems, including:

• Ranking and retrieval
• Relevance and personalization
• System tradeoffs (latency, recall, precision)
• Proven experience leading large, multi-team organizations (including managers of managers)

Preferred Qualifications

• Experience in e-commerce or marketplace environments
• Experience leading global or multi-region teams
• Experience building 0→1 products or new product surfaces
• Background in fast-scaling consumer technology companies

Pay & Benefits: 

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.   

The base pay for this position ranges from $184,000/year in our lowest geographic market to $376,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. 

 General Description of All Benefits:    

• Medical/Dental/Vision/Life, AD&D insurance   
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)  
• Long-term/Short-term Disability  
• Employee Assistance Program (EAP) program  
• 401K Plan with Company Match  
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure  
• 12 Public Holidays  
• Paid Parental leave  
• Pre-tax commuter benefits  
• MTV - [Free] Electric Car Charging Station   

General Description of Other Compensation:  

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.   

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

 Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.    If you need assistance and/or reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.  

Sr. Staff ll, Machine Learning Engineer - Search

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.  

About the Role 

As a Senior Staff Machine Learning Engineer in Search and Discovery, you will leverage the most advanced algorithms to improve Coupang’s product search and discovery quality. You are expected to be a leading expert in one or multiple areas including information retrieval, recommendation systems, machine learning, deep learning or natural language processing. The ideal candidates are pragmatic, resourceful, and embrace challenges that are seemingly impossible. The ideal candidates also have rich industry experience and a track record of delivering highly impactful projects.  

What You Will Do

• Root causes the bottle neck of the current search and recommendation systems and quantifies the defects.   
• Propose solutions which address the search and discovery defects and leverage the state-of-the-art technologies, including ML, DL and large language model.  
• Implement the solutions and conduct AB tests.  
• Be a thought leader and able to gain consensus in the organization when needed.  

 Some example projects include:  

• Personalization ranking model and its integration to Search ranking stack.  
• Personalized retrieval 
• Recommendation model for all Discovery interfaces. 
• User understanding and modeling 

What We’re Looking For

Required Qualifications

• 10+ years of experience in related fields including Search, Information Retrieval, RecSys, ML, DL or NLP.  
• Proficient coding skills in Java, C++ or Python  
• Problem solver, Pragmatic and Open-minded  
• Master Degree in Computer Science or related fields.  
• Experience with handling large data volumes in a distributed environment   

Preferred Qualifications

• Love to explore new territory of technology and go deep on domain knowledge.   
• Ability to think outside-the-box and challenge conventional wisdom.   
• A passion to explore, improve, automate and optimize distributed systems and tools.   
• PhD in Computer Science or related Engineering majors   
• Bonus points for experience at ecommerce or social network or search companies  

Pay & Benefits: 

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation.   

The base pay for this position ranges from $187,000/year in our lowest geographic market to $322,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits:    

• Medical/Dental/Vision/Life, AD&D insurance   
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)  
• Long-term/Short-term Disability  
• Employee Assistance Program (EAP) program  
• 401K Plan with Company Match  
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure  
• 12 Public Holidays  
• Paid Parental leave  
• Pre-tax commuter benefits  
• MTV - [Free] Electric Car Charging Station   

General Description of Other Compensation:  

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.   

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.    If you need assistance and/or reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com.  

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did I ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar commerce industry from the ground up. We are an American technology company and one of the fastest-growing retail companies that has established an unparalleled reputation for being a leading and reliable force in global commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurial, surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Role Overview

As a Senior Executive Assistant you will provide comprehensive support for key executives across Coupang’s tech organization. This role is responsible for diverse administrative tasks from daily calendar and meeting management to strategic and special projects. The ideal candidate will be an organized self-starter that skillfully prioritizes and artfully juggles multiple demands with sound judgement and attention to detail. Candidate must demonstrate resourcefulness, timeliness, and ability to proactively anticipate needs with a minimum amount of direction in a fast-paced environment. Capable of working across organizations and with diverse personalities required. The ideal candidate will be an experienced Executive Administrative professional who is looking for their next big opportunity to grow & advance their career. They will be a fast learner with experience working with little to no guidance using sound judgement in a fast paced, goal-oriented, and ever-changing work environment. They will also have strong prioritization abilities to complete a high volume of complex tasks autonomously, and a history of establishing mechanisms to simplify or streamline processes and establish structure. The ideal candidate will be a detail-oriented planner with the demonstrated ability to communicate and respond effectively and efficiently while maintaining flexibility, a sense of humor, and most importantly grace under pressure.

What You Will Do

• Complex Calendar Management for Senior Director-level Executives requiring coordination across the company's international locations 
• Organizing, executing, and assisting with team activities (staff meeting, all-hands meetings, and team social events)
• Coordination with EAs across international locations to schedule and manage multi-location meetings
• Support key team initiatives, playing a part as a project coordinator. Duties may include: support with expanded staff meetings, meeting logistics (both internal and external), presentations, management of shared team information and resources on intranet/portals
• Assist in coordination of travel arrangements and expense reporting for business travel including but not limited to booking flights, hotel and local transportation, providing agendas and itineraries, and arranging passport/visa requirements if necessary
• Work on special projects
• Event planning and coordination

Basic Qualifications

• BA/BS Degree
• Strong communication (written and verbal), detail-oriented, highly organized and ability to work across functions with executives (both internal & external)
• Minimum of five years of administrative experience, in a fast paced environment
• Minimum of five years experience in Microsoft Office Suite applications, Word, Excel, PowerPoint, and SharePoint, and Google Workspace
• Strong written and verbal communications
• Experience working globally for a large, tech, and/or start-up company
• Capacity to work with different international time zones and overtime, as needed
• Tech savvy - Excel skills and can learn new tools quickly

Preferred Qualifications

• Demonstrated ability to organize, multi-task, and problem solve issues while managing competing priorities and commitments to deadlines.
• Proven track record demonstrating ability to work effectively with minimal supervision.
• Ability to quickly learn organizational structure and the objectives of the team.
• High levels of integrity and discretion.
• A terrific work ethic accompanied by an ever-positive, get-it-done attitude
• History of creative problem solving, analytical skills, ability to work well collaboratively and under pressure
• Experience creating and/or supporting presentation development for senior management
• Highly proficient in organizing worldwide travel
• Detail-oriented and ability to complete work assignments with a high degree of quality
• Ability to manage multiple tasks and assist multiple team members at the same time

Pay & Benefits

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. The base pay for this position ranges from $89K/year in our lowest geographic market to $153K/year in our  highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

• Annual bonus is 0-20% of the base salary
• Medical/Dental/Vision/Life, AD&D insurance
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)
• Long-term/Short-term Disability
• Employee Assistance Program (EAP) program
• 401K Plan with Company Match
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure
• 12 Public Holidays
• Paid Parental leave
• Pre-tax commuter benefits

General Description of Other Compensation

“Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Recruitment Process

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage

Details to Consider

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.

Privacy Notice

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers. If you need assistance and/or a reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com

Job Requisition ID: R0072553

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.   

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.   

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.  

Role Overview 

The Search and Discovery team is responsible for creating a world class search and discovery shopping experience for our customers, from “intent” based shopping to delighting the customer with serendipitous product discovery on every visit. 

We are obsessed with optimizing the entire search customer journey, from query understanding and search relevance to personalized and category/mission aware search and recommendation experiences. We believe the experience of finding the right fresh groceries should be personal and different from shopping for a new laptop or your next pair of jeans. Search and Recommendations drive over 70% of product discovery for our millions of daily customers, so the scale and impact of our work is massive!

Within S&D, the Data Science and Analytics team analyzes customer data to determine how our Search models should be designed. This includes assessing how customers interact with our search results, analyzing experiments, building predictive models, and much more. We partner with Product and Engineering to turn these insights into changes to our Search models.

What You Will Do 

• Ideate, build, and manage analytics and production data ETL/ELT systems for high-volume data ingestion from diverse sources
• Partner with Data Science, Engineering, and Product to enable reliable, accurate logging/implementation and usage of Search data
• Ensure data quality, observability, and reliability across the data lifecycle
• Optimize systems for performance, cost efficiency, and scalability
• Define and manage SLAs for data systems
• Ensure security and compliance of data per industry standards

Minimum Qualifications 

• 6 years of relevant industry experience as a data engineer in a technology company
• Bachelor's degree in Computer Science or equivalent

Preferred Qualifications 

• 8+ years experience in data/engineering overall
• Proficiency in Python and SQL
• Experience with distributed processing technologies and frameworks and distributed storage systems (e.g. HDFS, S3)
• Experience with ETL schedulers (e.g. Airflow, Dagster, DBT) 

Pay & Benefits 

Our compensation reflects the cost of living across several US geographic markets. At Coupang, your base pay is one part of your total compensation. 

The base pay for this position ranges from $164K/year to $282K/year. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience. 

General Description of All Benefits 

• Medical/Dental/Vision/Life, AD&D insurance      

• Flexible Spending Accounts (FSA) & Health Savings Account (HSA) 

• Long-term/Short-term Disability     

• Employee Assistance Program (EAP) program     

• 401K Plan with Company Match     

• 18-21 days of the Paid Time Off (PTO) a year based on the tenure     

• 12 Paid Holidays     

• Paid Parental leave     

• Pre-tax commuter benefits     

• MTV - [Free] Electric Car Charging Station      

General Description of Other Compensation       

 “Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.      

 Recruitment Process and Others

Recruitment Process   

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer  

• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.  

• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage.  

  Details to Consider  

• This job posting may be closed prior to the stated end date for application if all openings are filled.  

• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.  

• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.  

 Privacy Notice​  

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, or gender (including pregnancy, gender identity, gender expression, sexual orientation, transgender status), national origin, age, disability, medical condition, HIV/AIDS or Hepatitis C status, marital status, military or veteran status, use of a trained dog guide or service animal, political activities, or affiliations, citizenship, or any other characteristic or class protected by the laws or regulations in the locations where we operate. If you need assistance and/or reasonable accommodation in the recruiting process due to a disability, please contact us at usrecruiting@coupang.com.

Requisition ID: R0068202

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we’re collectively disrupting the multi-billion-dollar e-commerce industry from the ground up. We are one of the fastest-growing e-commerce companies that established an unparalleled reputation for being a dominant and reliable force in South Korean commerce.  

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been since our inception. We are all entrepreneurs surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.  

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world. 

About The Role

We are looking for an AI Native, AI First Engineer to pioneer and architect entirely new applications where Generative AI and Large Language Models (LLMs) serve as the fundamental core intelligence.

At Coupang, we are redefining the boundaries of what is possible. This role is at the forefront of our invention strategy, building systems that are not just AI-enhanced, but AI-native from the ground up to deliver transformative customer and operational experiences.

In this role, you will own the end-to-end lifecycle of high-scale, non-deterministic AI systems—from rapid prototyping and architectural design to full-scale production deployment. You will operate with a full-stack AI mindset, leveraging cutting-edge LLM technology to solve complex problems and create entirely new product paradigms.

This is a high-impact, pioneering role where you will drive innovation at scale, shape the future of our product intelligence, and demonstrate a proven track record of taking transformative AI concepts from zero to production.

What You Will Do  

· Design, architect, and own the full lifecycle of novel, end-to-end applications centered on generative AI and LLMs to create new e-commerce experiences.

· Develop and manage production AI infrastructure, including vector databases, high-throughput inference, and real-time data pipelines for context enrichment and low-latency serving.

· Develop and maintain strong RAG frameworks, grounding AI applications in Coupang’s proprietary product catalog, user history, and operational knowledge bases for factual accuracy and relevance.

· Implement advanced prompt engineering, agentic design, and complex LLM chains to build intelligent, stable software services.

· Enforce AI reliability, monitoring, and safety to manage model non-determinism, minimizing hallucinations and optimizing large-scale cost-efficiency.

· Rapidly prototype and productionize new AI capabilities to drive innovation and advance Coupang's mission to "build the future of commerce."

What We’re Looking For

· 3 years of experience in software engineering, with solid coding skills and critical code review capabilities, as well as a deep specialization in leveraging Large Language Models (LLMs) and Generative AI systems and productivity tools.

· Strong product-led engineering mindset with the ability to bridge the gap between cutting-edge AI research and practical, user-centric product features.

· Proven experience owning end-to-end AI applications, including:

· Generative AI agents and conversational interfaces.

· RAG (Retrieval-Augmented Generation) pipelines.

· LLM fine-tuning and optimization for specific domains.

· AI-powered automation and workflow systems.

· Demonstrated track record of taking AI-first products from concept to production, driving measurable improvements in user engagement, operational efficiency, or system performance.

· Deep technical understanding of modern AI stacks, including:

· Prompt engineering and LLM orchestration frameworks (e.g., LangChain, LlamaIndex).

· Vector databases and semantic search architectures.

· Scalable MLOps for non-deterministic AI models.

Preferred Qualifications  

· Experience in high-traffic, large-scale consumer AI environments (e.g., LLM-based assistants, search/recommendation systems, or generative content platforms)

· Experience leading or contributing to cross-functional AI research and product engineering teams.

· Experience building and launching 0→1 Generative AI products or integrating LLMs into existing complex product surfaces.

· Strong background in fast-scaling technology companies with a deep understanding of the challenges in deploying non-deterministic systems at scale.

· Passion for continuous experimentation and rapid prototyping to solve ambiguous customer problems using the latest advancements in AI/ML.

· Exposure/experience in e-commerce search.

Pay & Benefits

Our compensation reflects the cost of labor across several US geographic markets. At Coupang, your base pay is one part of your total compensation. 

The base pay for this position ranges from $184,000/year in our lowest geographic market to $376,000/year in our highest geographic market. Pay is based on several factors including market location and may vary depending on job-related knowledge, skills, and experience.

General Description of All Benefits

• Medical/Dental/Vision/Life, AD&D insurance   
• Flexible Spending Accounts (FSA) & Health Savings Account (HSA)  
• Long-term/Short-term Disability   
• Employee Assistance Program (EAP) program   
• 401K Plan with Company Match   
• 18-21 days of the Paid Time Off (PTO) a year based on the tenure   
• 12 Paid Holidays   
• Paid Parental leave   
• Pre-tax commuter benefits   
• MTV - [Free] Electric Car Charging Station    

General Description of Other Compensation      

“Other Compensation” includes, but is not limited to, bonuses, equity, or other forms of compensation that would be offered to the hired applicant in addition to their established salary range or wage scale.

Recruitment Process  

• Application Review - Phone Interview - Onsite (or Virtual Onsite) Interview – Offer
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances.
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. 

Details to Consider 

• This job posting may be closed prior to the stated end date for application if all openings are filled.
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws. 

Privacy Notice  

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below: https://www.coupang.jobs/privacy-policy/  

Equal Opportunities for All

Coupang is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to actual or perceived race (including traits historically associated with race, including but not limited to hair texture and protective hair styles), color, religion, religious creed (including religious dress and grooming practices), sex or gender (including pregnancy, childbirth, breastfeeding, and medical conditions related to pregnancy, childbirth or breastfeeding), gender identity, gender expression, sexual orientation, ,ancestry, national origin (including language use restrictions), age (40 and over), physical or mental disability, medical condition, genetic information, HIV/AIDS or Hepatitis C status, family status (including but not limited to marital or domestic partnership status), military or veteran status, use of a trained dog guide or service animal, political activities or affiliations, ancestry, citizenship, family and medical leave status, status as a victim of any violent crime, or any other characteristic or class protected by the laws or regulations in the locations where we operate. Coupang is also committed to providing a safe work environment for its employees and its consumers.    If you need assistance and/or reasonable accommodation in the application of recruiting process due to a disability, please contact us at usrecruiting@coupang.com. 

Job Requisition ID: R0071666 

About Coupang

We exist to wow our customers. We know we’re doing the right thing when we hear our customers say, “How did we ever live without Coupang?” Born out of an obsession to make shopping, eating, and living easier than ever, we are collectively disrupting the multi-billion-dollar commerce industry from the ground up and establishing an unparalleled reputation for being leading and reliable force in South Korean commerce.

We are proud to have the best of both worlds — a startup culture with the resources of a large global public company. This fuels us to continue our growth and launch new services at the speed we have been at since our inception. We are all entrepreneurial surrounded by opportunities to drive new initiatives and innovations. At our core, we are bold and ambitious people that like to get our hands dirty and make a hands-on impact. At Coupang, you will see yourself, your colleagues, your team, and the company grow every day.

Our mission to build the future of commerce is real. We push the boundaries of what’s possible to solve problems and break traditional tradeoffs. Join Coupang now to create an epic experience in this always-on, high-tech, and hyper-connected world.

Team Overview

Coupang Eats is offering both food delivery and quick-commerce solutions to Korean customers. Additionally the food delivery experience is also available in the Japanese market. Within this space, the team is responsible for the search funnel for these 3 verticals. This encompasses all the different layers of search (retrieval, relevance, query understanding, ranking, etc.).

Search is a fast-growing area, and we are working to improve the quality of search to ensure that customers find the best dish, store or item for them. We use the state-of-the-art Machine Learning and Deep Learning technologies to ensure the best quality of search, and we are continuously innovating and building highly scalable systems to support the growing business and customer engagement.

Role Overview

As a Staff Machine Learning Engineer for Search, you will be responsible for the design, development, maintenance, and improvement of the end-to-end search quality and systems. Since the scope ranges across all the search layers (retrieval, relevance query understanding, intent expression, ranking, etc.) there are a wide range of customer problems to resolve. This will  require designing and maintaining multiple foundational models. You will run experiments to validate in a controlled environment and launch any features and ranking improvements that would improve the customer experience.

Key Responsibilities

• Tech Leader for the Coupang Eats Search system, the most important funnel for customer to discover the food they need
• Operate across two different business verticals across two different markets
• Develop new Machine Learning models to improve the end-to-end search quality
• Build the foundational LLM models powering the search system
• Improve the search quality through experimentation

Qualifications

• Experience working with large-scale, complex datasets to extract robust features and create reliable machine learning models
• Track record of diving into data to discover hidden patterns and solving problems with data science
• Fast paced self-learner with proven record of launching successful features and improving business metrics
• Tech lead working with coworkers across teams to solve critical customer problems
• Strong communication skills and full proficiency in English or Korea

Preferred Qualifications

• Master’s or Ph.D. degree in Computer Science, Mathematics or related science majors
• Industrial experience leveraging and tuning LLM for search quality improvement
• Industrial experience working with online serving system working at scale
• Excellent communicator with great listening skills, growth mindset and can-do attitude
• Strong communication skills and full proficiency in English and Korea

Recruitment Process 

• Application Review - 1st Interview (Virtual) - 2nd Interview (Virtual) - Offer 
• The exact nature of the recruitment process may vary according to the specific job and may be changed due to scheduling or other circumstances. 
• Interview schedules and the results will be informed to the applicant via the e-mail address submitted at the application stage. 

Details to Consider 

• This job posting may be closed prior to the stated end date for application if all openings are filled.    
• Coupang has the right to rescind an offer of employment if a candidate is found to have submitted false information as part of the application process.    
• Those eligible for employment protection (recipients of veteran’s benefits, the disabled, etc.) may receive preferential treatment for employment in accordance with applicable laws.
• Job titles and responsibilities may be subject to change depending on the candidate’s overall experience, etc. This will be communicated to the candidate at the appropriate time before the offer.

Privacy Notice 

• Your personal information will be collected and managed by Coupang as stated in the Application Privacy Notice located below. 

        https://www.coupang.jobs/en/privacy-policy/

Document Return Policy

• This notification is given pursuant to Article 11 (6) of the Fair Hiring Procedure Act.
• A job applicant, who has applied but not been finally selected for a position at Coupang (the “Company”), may request the Company to return his/her hiring documents submitted pursuant to the Fair Hiring Procedure Act.  However, this will not apply where the hiring documents were submitted via the website of the Company or e-mail, or where the job applicant submitted those documents voluntarily without a request from the Company.  In addition, if the hiring documents were destroyed due to a natural disaster or any other reasons not attributable to the Company, such documents will be deemed to have been returned to the job applicant. 
• A job applicant who wishes to request the return of his/her hiring documents pursuant to the main sentence of paragraph 2 above should fill out a “Request for Return of Hiring Documents” [Annex Form No. 3 in the Enforcement Rule of the Fair Hiring Procedure Act] and submit the request to the Company (Coupang Recruiting Team, Tower 730, 570 Songpa-daero, Songpa-gu, Seoul). In such case, within fourteen (14) days from the date of identifying the receipt of the request, the Company will send the hiring documents to the job applicant’s designated address via registered mail.  Please be informed that the job applicant is required to pay the postage on the registered mail. 
• In preparation for a job applicant’s request for the return of hiring documents pursuant to the main sentence of paragraph 2 above, the Company shall retain the original hiring documents submitted by the job applicant for 180 days from the completion of the recruiting process.  If no request is made until the end of this period, all of his/her hiring documents will be destroyed immediately in accordance with the Personal Information Protection Act. 
• Hiring may be restricted in case the legal qualifications required for hiring and work performance are not met.

Equal Opportunities for All

Coupang is an equal opportunity employer. Our unprecedented success could not be possible without the valuable inputs of our globally diverse team.