Senior Data Scientist

Overview Join Taboola’s R&D team in downtown Los Angeles to build predictive models for targeting and personalization in Realize, Taboola’s performance advertising platform. You will own ML systems end-to-end, from design to deployment and maintenance, impacting campaign performance and revenue for advertisers worldwide. Work with cutting-edge tools and collaborate across teams, including with Tel Aviv, to deliver safe and scalable AI-driven recommendations. This role offers hands-on experimentation, rapid prototyping, and a chance to shape AI-assisted workflows in a high-growth environment. Compensation / Benefitshealth, dental, vision insurance401(k) matchingflexible PTOpaid parental leavehybrid work schedulediscretionary bonus or equity ResponsibilitiesDesign and implement predictive models for customer behavior and targetingDevelop and deploy ML models into production with end-to-end ownershipBuild evaluation harnesses, benchmarks, and guardrails for safe, repeatable ML releasesCreate scalable data processing and transformation pipelines using Hadoop, Spark, and related systemsPrototype and deliver complete projects using AI-assisted coding toolsPresent findings to product and technical leads in a clear, actionable mannerDevelop and maintain data pipelines from Kafka and SQL production systems to HDFS/HadoopCollaborate across teams and support a culture of rapid experimentation and TDD processes Key requirements5+ years of hands-on Python and Java experienceProficiency with ML frameworks (PyTorch, TensorFlow, Spark MLlib)SQL proficiency for data exploration and analysisSystem-architecture mindset for scalable, reliable, high-performance designsExperience taking ML systems from design to production, including measurement and maintenanceAbility to communicate technical findings clearly and collaborate across teams (including with Tel Aviv)clear communicatorcross-team collaborationability to work with early-morning/evening syncsPyTorchTensorFlowSpark MLlib