Who You Are:

You're a hands-on data engineer with several years of experience building and operating production data pipelines. You're fluent in Python or Java and comfortable across the modern data stack , AWS, Databricks/Spark, dbt, and Airflow. You care about data quality, write clean and well-tested code, and like owning systems end-to-end. You're curious about crypto and energized by working at the intersection of finance and emerging technology.

What You’ll Do:

• Partner across Galaxy’s business lines (Trading, Custody, Asset Management, Mining) to build and enhance a reliable and scalable data platform
• Design, build, and maintain scalable data pipelines (batch and streaming)
• Develop and operate high-throughput, low-latency data processing systems
• Work within the Databricks and Spark ecosystem to support large-scale data workloads
• Build and maintain cloud-native data solutions on AWS
• Leverage dbt for transformation, data modeling, testing, and documentation
• Use Airflow (or similar orchestration tools) to manage and schedule data workflows
• Write clean, efficient, and well-tested code, following best practices in software engineering
• Collaborate closely with product, analytics, and infrastructure teams to deliver impactful data solutions
• Contribute to technical design discussions and help improve system performance, scalability, and reliability
• Support production systems by troubleshooting issues and implementing improvements
• Embrace and champion the thoughtful adoption of AI to improve team performance and business outcomes.
• Leverage AI tools (e.g., generative AI, automation platforms, data copilots) to improve productivity, decision-making, and output quality in your day-to-day work.

What We’re Looking For:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field
• 5+ years of professional experience in data engineering or distributed systems
• Strong hands-on coding experience in Python, Java, or similar languages
• Experience building and operating both batch and streaming data pipelines
• Strong experience with AWS, Databricks/Spark, and modern data architectures
• Hands-on experience with dbt for transformations and Airflow (or similar) for orchestration
• Solid understanding of data modeling, data quality, and production data systems
• Experience working with relational and non-relational databases (e.g., Postgres, SQL Server)
• Familiarity with CI/CD, testing frameworks, and monitoring tools

Bonus Points: 

• Experience with dependency injections frameworks, ideally: Spring, Guice, HK2
• Experience with Docker
• Full lifecycle development of a commercial system, including: requirements definition, agile planning, releasing, and production support
• Experience in Crypto

What We Offer:

• Competitive base salary and discretionary bonus
• Flexible Time Off (paid)
• Hybrid Working Arrangements 
• Company-paid health and protective benefits for employees and their eligible dependents
• Free coaching and counseling sessions through Headspace
• Generous paid Parental Leave
• Free daily snacks in-office and weekly lunches 
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

*Benefits may vary depending on location.

Who You Are:

We are looking for talented software engineers to join our Lending technology team to build the next generation of crypto Lending systems.

You can work independently, have strong analytical and problem-solving skills, and a desire to own issues and see them through to resolution.  

What You'll Do:

You will work on core lending infrastructure, including collateral management, interest calculations, liquidations, and integrations with blockchain networks and traditional financial systems.

Responsibilities will include:

• Design, develop, and maintain backend services for crypto lending and borrowing products
• Implement core lending logic including:
  • Loan origination and lifecycle management
  • Collateral valuation and margining
  • Interest rate models and accrual
  • Liquidation and risk management mechanisms
• Build reliable, scalable APIs for internal and external consumers
• Integrate with blockchain networks, smart contracts, custodians, oracles, and pricing feeds
• Collaborate with product, risk, and compliance teams to translate business requirements into robust systems
• Write clean, well-tested, and well-documented code
• Participate in code reviews and architectural discussions
• Monitor and improve system performance, security, and reliability in production

What We’re Looking For:

• 10+ years of relevant development experience
• Excellent core Java skills
• Knowledge of Spring and Kafka
• Experience developing microservices
• Code optimization and profiling capabilities

Bonus Points:

• Experience leading a team 
• Development experience with OMS and Risk Systems
• Knowledge of traditional financial products
  • Options
  • Forwards
  • Futures
• Docker / Kubernetes / AWS
• Knowledge of crypto
• Knowledge of crypto products
  • Perpetual Forwards (perps)
  • On-Chain Borrows / Lends

What We Offer: 

• Competitive base salary and discretionary bonus
• Flexible Time Off (i.e. unlimited paid vacation days)
• Company paid sick leave
• Company-paid health and protective benefits for employees, partners, and other dependents
• Generous paid Parental Leave
• Free virtual coaching and counseling sessions through Headspace
• Opportunities to learn about the Crypto industry
• Free daily snacks in-office
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

Apply now and join us on our mission to engineer a new economic paradigm.

Responsibilities:

• Participate in the development of backend systems for the company’s centralized exchange (CEX), providing technical support for core business operations.
• Design architectures for complex future payment-related systems; demonstrate strong capabilities in designing large-scale distributed systems while ensuring high-quality architecture that balances development, operational, maintenance, and reliability costs.
• Contribute to solution design and technical reviews for key engineering projects; conduct quality assessments, identify issues during system iteration, and help enhance team efficiency and development quality.
• Lead research and resolution of critical technical challenges, ensuring stability of the core systems.
• Participate in core architecture implementation, write high-quality code, train and guide developers, and help standardize engineering processes.
• Lead the design, development, and innovation of real-time computing systems.
• Drive the architectural evolution of the trading matching engine (handling tens of millions to hundreds of millions of daily requests).
• Lead the development of rule engines, variable platforms, and other mid-platform (middleware) systems.

Requirements:

• Bachelor’s degree in Computer Science or related field; expert-level proficiency in Java and its ecosystem, with 8+ years of hands-on development experience.
• Experience in developing and optimizing large-scale data aggregation, query, and computation systems.
• Experience with large-scale system refactoring; hands-on exposure to DDD, middleware platforms, and CI/CD is a strong plus.
• Deep understanding of Java-related frameworks such as Spring Cloud Alibaba, MyBatis—their design principles and internal mechanisms; strong knowledge of transactions and distributed transactions.
• Proficient in Redis and at least one MQ technology such as RabbitMQ or RocketMQ; familiarity with middleware such as SkyWalking, CAT, and scheduling/orchestration systems.
• Experience building or promoting core frameworks in large-scale companies is preferred.
• Familiar with common networking issues and capable of effective troubleshooting.
• CEX experience is mandatory.

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incenting collaboration and mutual respect. At Jump, research outcomes drive more than superior risk adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organizations and universities to solve problems.

Our trading teams are each comprised of a dynamic group of traders, quantitative researchers, and engineers who work together to examine the global markets, seeking to understand the complexities of various traded products and exchanges. They leverage their impeccable statistical analysis and data mining skills, using the results of their research to make forecasts and develop profitable predictive trading models.

*Candidates for this off cycle internship should be graduating in 2026 or 2027 and be interested in working in Hong Kong for their full-time job after graduation. 

Who Should Apply? 

• We are seeking the sharpest analytical minds from top undergraduate and graduate programs. Ideal candidates have an uncommon drive to learn and improve, an entrepreneurial spirit, and strong skills in programming and/or quantitative analysis (statistics, data mining, mathematics, machine learning, etc.).
• No prior knowledge of finance or trading is necessary. We’ll give you the training that you’ll need.
• Machine Learning (ML) and Large Language Model expertise (LLM) is highly desired.
• Reliable and predictable availability required.
• Although we strongly value training in Computer Science and Mathematics, we are excited to meet people with exceptional achievements in any technical discipline. Recent hires include students from fields such as Electrical Engineering, Statistics, Physics, Neuroscience, Materials Science, Operations Research, and more.

If you have outstanding skills in math, ML, and programming and you are curious about the challenge of improving research with daily feedback from competitive markets, we hope you’ll apply.

Who We Are

About The Opportunity

What You’ll Be Doing 

• Proficiency with Java stack and JVM (memory/performance tuning, GC)
• Proficiency with developing Web Services, SOA, REST APIs, Message Queue, Distributed/Scalable Architecture
• Proficiency in Spring Framework (Spring Boot), Hibernate (or similar ORM), Maven, Git
• Design and develop 24/7 high scale APIs and distributed system, the tech stack will be on Alicloud/AWS
• Strong CS fundamentals, solid knowledge of OOP/OOD, GoF design patterns
• Write unit tests, integration tests and CI/CD scripts
• Own, monitor and improve our services in production
• Development and testing of high quality product features spanning multiple product domains
• Work with engineering managers, architects, engineers & QA to develop innovative solutions that meet market needs w.r.t functionality, performance, reliability, realistic implementation schedules and adherence to development goals and principles
• Be a technical leader; research and promote new technologies and tools
• Face technical challenges - performance, fault-tolerance, security and live production issues
• Be involved throughout our service life cycle, influence every step of the way

What We Look For In You

• Min. 5+ years of experience in Software Development
• Possess a solid foundation in Java, with a deep understanding of JVM configuration optimisation strategies and tuning, IO, multi-threading, concurrency frameworks, common data structures, algorithms, and design patterns
• Good programming specifications and rich work experience
• Familiar with mainstream open-source application frameworks, such as SpringBoot, SpringMVC, Mybatis, SpringCloud, etc.
• Experience with MySQL, Oracle, and other databases, with an in-depth understanding of things, locks, indexes, database and SQL optimisation, design methods such as sub-database sub-table, leader/follower synchronization
• Familiar with common middleware, such as Kakfa, ELK, Hologres, etc.
• Possess a deep understanding of the design principles of common caching systems, such as Memcached, Redis, etc. and be able to accurately choose caching solutions
• Have a good understanding of distributed system principles, including CAP, consistency, idempotent operation, etc.
• Work well in a team environment and be able to effectively drive cross-team solutions that have complex dependencies and requirements
• Results-oriented, self-learner, problem solver with 'can do' attitude
• Clear logic, quick thinking and good communication skills
• Bilingual is highly preferred (Mandarin and English) as the team will be working with stakeholders in different regions

Nice-To-Have 

• Already or are eager to become an expert in the blockchain and cryptocurrency landscape and will understand how speculators, traders, digital asset exchanges, blockchain money services businesses and financial institutions operate
• Experience working in a disruptive technology, successfully launching products, ideally, within FinTech, eCommerce, SaaS, AdTech, or Digital Wallet business experience
• A history (and preference) of being both strategic, analytical and execution-oriented
• Familiarity with product management processes and tools
• Experience working with teams across different time zones

Perks & Benefits 

• Competitive total compensation package
• L&D programs and education subsidy for employees' growth and development
• Various team building programs and company events
• Wellness and meal allowances
• Comprehensive healthcare schemes for employees and dependants
• More that we love to tell you along the process!
  
  Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.
  
  
  
  

Perks & Benefits

• Competitive total compensation package
• L&D programs and education subsidy for employees' growth and development
• Various team building programs and company events
• Wellness and meal allowance
• Comprehensive healthcare schemes for employees and dependants
• More that we love to tell you along the process!

Please note that Hong Kong is a group-level service hub, and OKX does not carry on a business of operating a virtual asset trading platform in Hong Kong.

Jump Trading Group is committed to world class research. We empower exceptional talents in Mathematics, Physics, and Computer Science to seek scientific boundaries, push through them, and apply cutting edge research to global financial markets. Our culture is unique. Constant innovation requires fearlessness, creativity, intellectual honesty, and a relentless competitive streak. We believe in winning together and unlocking unique individual talent by incentivizing collaboration and mutual respect. At Jump, research outcomes drive more than superior risk adjusted returns. We design, develop, and deploy technologies that change our world, fund start-ups across industries, and partner with leading global research organizations and universities to solve problems.

Our trading teams are each comprised of a dynamic group of traders, quantitative researchers, and engineers who work together to examine the global markets, seeking to understand the complexities of various traded products and exchanges. They leverage their impeccable statistical analysis and data mining skills, using the results of their research to make forecasts and develop profitable predictive trading models.

-------------------------------
*Candidates should be interested in working in Asia for their full-time job after graduation.

*INTERNATIONAL STUDENTS are encouraged to apply. 
-------------------------------

Who Should Apply?

• We are seeking researchers with a demonstrated ability to apply machine learning to achieve state-of-the-art capabilities in complex and challenging domains. 
• The ideal person for this role will be capable of implementing an open-ended research project from concept to production and continuously improving model design, tools, and infrastructure. 
• Potential projects may target any area of the quantitative research and monetization process. We believe that successful research efforts require a fluid mix of skills including ML expertise, engineering pragmatism, statistics and market intuition.
• No prior knowledge of finance or trading is necessary. We’ll give you the training that you’ll need.
  
• Other duties as assigned or needed.

Skills You'll Need: 

• Creative thinkers who are driven, self-motivated, and eager to solve challenging problems with a pragmatic outlook
• Strong publication record at ICML, ICLR, AAAI, NeurIPS, UAI, KDD, or equivalent and/or contributions to open-source AI research
• Familiarity with ML libraries/frameworks such as PyTorch, TensorFlow, and/or JAX
• Proficiency in Python and/or C++
• Ability to thrive in a collaborative, team-oriented environment
• Ability to reason through quantitative problems and communicate effectively with trading researchers
• Strong general ML background with exposure to modern deep learning techniques and/or language modeling architectures (e.g. transformers, SSMs)
• Reliable and predictable availability required

If you have outstanding skills in math, ML, and programming, and you are curious about the challenge of improving research with daily feedback from competitive markets, we hope you’ll apply.

Responsibilities:

• Conduct vulnerability assessments, threat modeling, and penetration testing of web applications to identify security vulnerabilities and weaknesses.
• Perform code reviews and analyze application designs to identify and mitigate security risks.
• Develop and implement secure coding standards and practices for application development.
• Collaborate with the software team to integrate security into the software development life cycle (SDLC) and assist in setting up the security pipeline for integration.
• Provide guidance and recommendations to the software team on how to remediate identified security vulnerabilities and weaknesses.
• Participate in all security-related initiatives such as bug bounty programs, hacker challenges, and penetration tests, and assist in defining the scope and testing approach for all assessments or programs.
• Engage in incident response activities, triage, investigate, and respond to security incidents.
• Stay up-to-date with the latest security threats, vulnerabilities, and technologies.
• Report to the Cyber Security Manager.

Requirements:

• Bachelor's degree in computer science, information security, or a related field.
• 2+ years of experience in an application security role.
• Strong knowledge of web application security concepts and techniques.
• Experience with vulnerability assessment and penetration testing tools, such as Burp Suite, Nmap, and Metasploit, will be an advantage.
• Experience with programming languages, such as Java, Python, and .NET.
• Familiarity with web application development frameworks, such as Spring and React.
• Knowledge of security standards and frameworks, such as OWASP, NIST, and ISO.
• Understanding of cloud service providers and their offerings, preferably AWS, and its technologies and services will be an advantage.
• Strong analytical and problem-solving skills.
• Excellent written and verbal communication skills.
• Candidates with less experience will be considered for the role of Application Security Analyst.