Senior Data Scientist

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're looking for a Senior Data Scientist to join our Data team in Tel Aviv. 

What You’ll Do

• Lead the optimization of foundational technologies within the data platform, driving performance, scalability, and robustness.

• Partner closely with engineering and product leadership to define, design, and implement high-impact, data-driven algorithms.

• Design and oversee large-scale data experiments to rigorously evaluate and improve algorithm performance.

• Own end-to-end data science initiatives, from problem definition and exploratory research to production deployment, monitoring, and iteration.

• Develop and apply advanced machine learning, statistical modeling, and visualization techniques to generate actionable insights from complex datasets.

• Guide and influence teams in researching, designing, simulating, and prototyping new algorithmic product features aligned with strategic business goals.

• Establish best practices for modeling, evaluation, and deployment; mentor other data scientists.

What You’ll Bring

• Master’s or Ph.D. in a quantitative field (Computer Science, Physics, Mathematics, Statistics, or related discipline).

• 5–8+ years of professional experience in applied data science, machine learning, optimization, or predictive modeling.

• Demonstrated expertise in building, deploying, and maintaining production-grade data science systems.

• Strong architectural judgment around model design, data pipelines, and operational trade-offs.

• Extensive experience with big data modeling and distributed systems (e.g., Spark).

• Proven ability to communicate complex technical concepts concisely and persuasively to engineers, product managers, and leadership.

At Nexxen, we value our differences, varied experiences, and collective contribution. We know that not everyone takes the same career path, so if you don’t match this job description perfectly, don’t 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 [email protected]

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