Senior Platform AI Engineer

Who is Nexxen
Flexible advertising unified by data. Nexxen empowers advertisers agencies publishers and broadcasters around the world to utilize data and advanced TV in the ways that are most meaningful to them. Our flexible and unified technology stack comprises a demand-side platform (DSP) and supply-side platform (SSP) with the Nexxen Data Platform at its core.

Why join the Nexxen team
With a global footprint you can be part of a team that is transforming advertising through our creative flexible and unified solutions. Employees hustle commit and dedicate themselves to pillars that make up the Nexxen Way the 3Cs - Customer Centric Curious Mindset Collaborative with No Ego.

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We are looking for a Senior Platform AI Engineer to join within the AI Engineering Group in Tel Aviv. This role is focused on building the foundational AI infrastructure and agentic frameworks that power next-generation AI capabilities across Nexxens products.

What Youll Do

• Design and build LLM-based platform capabilities used across multiple products

• Architect and implement agentic systems (multi-agent workflows tool usage orchestration layers)

• Develop and implement innovative AI-driven solutions to advance platform capabilities.

• Solve complex business problems using AI systems not just APIs

• Define and enforce best practices standards and patterns for AI development across teams.

• Explore and research advanced AI technologies and integrate with external APIs and services.

• Lead and mentor other developers providing guidance and expertise on complex projects.

What Youll Bring

• BSc in Computer Science or related degree.

• 5 years of experience in building customer - facing full-stack applications.

• 2 years of hands-on experience with Python - A must!

• Deep understanding of large language model (LLM) core concepts and usage including prompting and reasoning strategies - A must!

• Strong experience designing and building end-to-end AI systems from data ingestion and orchestration to model integration and production deployment.

• Proficiency with SQL and NoSQL databases.

• Experience with particularly .

• Experience in designing agentic workflows - an advantage.

• Experience with Langchain or Langraph - an advantage.

• Excellent spoken and written English skills.

• Proactive collaborative mindset with a passion for impacting engineering teams products and customers.

At Nexxen we value our differences varied experiences and collective contribution. We know that not everyone takes the same career path so if you dont match this job description perfectly dont worry! We would rather see your application than risk missing out on your potential to make an impact.

What if I have any questions before I apply

All applications need to be submitted online however to discuss any adjustments you may require ahead of submitting your application please email

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Required Experience:

Senior IC