Job Description:

About Us

We're a leading global media agency shaping the future of content, advertising, and audience engagement. As part of dentsu's global Data & Technology organization, we're building the AI behind dentsu's next-generation platform — frontier AI and real production engineering applied to media, creative, strategy, audiences, and optimization. You'll get startup-level ownership and speed with dentsu-scale reach and data, working on high-visibility products.

Role Overview

As an AI Engineer, you will design, build, and deploy artificial intelligence capabilities that drive business value and enhance our global products. You will work cross-functionally with product managers, data scientists, engineers, and stakeholders to deliver scalable AI systems for content personalization, audience analytics, creative optimization, and more.

Key Responsibilities

• AI Solution Development: Architect, develop, and maintain AI systems for media products.
• Collaboration: Partner with product, engineering, and data teams to translate business needs into technical solutions.
• Deployment & Scaling: Implement AI systems in production environments, ensuring reliability, scalability, and performance across global markets.
• Continuous Improvement: Monitor, evaluate, and iterate on AI models using real-world data and feedback.
• Research & Innovation: Stay current with AI/ML advancements; prototype and recommend new technologies to keep our products at the forefront of innovation.
• Ethics & Compliance: Champion responsible AI practices, ensuring fairness, transparency, and compliance with data privacy regulations.

Requirements

Must Have

• Masters Degree in Computer Science, Engineering, or related field (PhD a plus).
• Strong Python skills (3+ years) with production systems, not just experimentation and prototyping
• Demonstrated experience (1+ years) with enterprise LLMs – their APIs, performance challenges, and how to mitigate those (OpenAI, Anthropic, Cohere, etc.)
• Demonstrated production experience (3+ years) with API conventions and integration into pipelines, e.g. RESTful API, FastAPI, or similar.
• Demonstrated experience (2+ years) integrating multiple approaches for extracting highest-quality output from LLMs, e.g. prompt engineering, multi-agents, structured output validation, hybrid RAG, in-context learning (ICL), or NLP- or ontology-powered layering.
• Demonstrated production experience (4+ years) measuring and improving AI systems or traditional ML systems.

Nice to Have

• Proficiency with traditional NLP and document processing pipelines (text extraction, chunking, embedding)
• Strong foundation in data science fundamentals, including data analysis, statistical methods, and experience working with structured and unstructured data
• Experience in LLM orchestration libraries (e.g., LangChain, LlamaIndex, Semantic Kernel), chain-of-thought, and structured reasoning approaches.
• Experience with tracing (e.g. Arize, OpenTelemetry, LangSmith)
• Experience with more complex AI systems at the application layer such as memory and advanced context management
• Fine tuning and automated system optimization
• Ability to work in a fast-paced environment with independence

Interview Process

• A recruiter screen to get to know you, walk through the role, and align on compensation, work model, and sponsorship needs.
• A technical interview and working session with a team member — a chance to show your skills on a realistic problem straight from our world, and to see how we work.
• A final conversation with team leadership — your chance to ask anything, set expectations together, and make sure this is the right fit for you.

At dentsu, we believe great work happens when we’re connected. Our way of working combines flexibility with in-person collaboration to spark ideas and strengthen our teams. Employees who live within a commutable distance of one of our hub offices, currently located in Chicago, metro Detroit, Los Angeles, and New York City, are required and expected to work from the office three days per week (two days per week for employees based in Los Angeles). Dentsu may designate other Hub offices at any time. Those who live outside a commutable range may be designated as remote, depending on the role and business needs. Regardless of your work location, we expect our employees to be flexible to meet the needs of our Company and clients, which may include attendance in an office.

The annual salary range for this position is $136,000 - $207,075.

Placement within the salary range is based on a variety of factors, including relevant experience, knowledge, skills, and other factors permitted by law.

Benefits available with this position include:

• Medical, vision, and dental insurance,

• Life insurance,

• Short-term and long-term disability insurance,

• 401k,

• Flexible paid time off,

• At least 15 paid holidays per year,

• Paid sick and safe leave, and

• Paid parental leave.

Dentsu also complies with applicable state and local laws regarding employee leave benefits, including, but not limited to providing time off pursuant to the Colorado Healthy Families and Workplaces Act, in accordance with its plans and policies. For further details regarding Dentsu benefits, please visit www.dentsubenefitsplus.com.

To begin the application process, please click on the “Apply” button at the top of this job posting. Applications will be reviewed on an ongoing basis, and qualified candidates will be contacted for next steps.

At dentsu, we believe great work happens when we’re connected. Our way of working combines flexibility with in-person collaboration to spark ideas and strengthen our teams. Employees who live within a commutable distance of one of our hub offices, currently located in Chicago, metro Detroit, Los Angeles, and New York City, are required and expected to work from the office three days per week (two days per week for employees based in Los Angeles). Dentsu may designate other Hub offices at any time. Those who live outside a commutable range may be designated as remote, depending on the role and business needs. Regardless of your work location, we expect our employees to be flexible to meet the needs of our Company and clients, which may include attendance in an office.

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