Senior Performance Advertising Engineer

Role: Hybrid in Redwood City, CA, or New York, NY (Will consider Remote for the right candidate) Must have: Experience in performance advertising, programmatic bidding, or large-scale user-conversion optimization loops PubMatic is the leading AI-powered ad tech company delivering measurable advertising performance through an intelligent, unified platform that connects buyers, publishers, data partners, and commerce media across CTV, mobile app, and omnichannel environments. About the Role: We are seeking a Senior Performance Advertising Engineer to own and drive the optimization of our buyer-side and performance marketing systems. In this role, you will be directly responsible for designing algorithms, building data systems, and refining optimization loops that drive Return on Ad Spend (ROAS) for our Advertisers and Agencies. You will own the technical architecture and end-to-end evaluation, implementation, and scaling of robust data pipelines for attribution data. This position spans our complete omnichannel environment, requiring expert-level performance engine development across Mobile App (including privacy-aware frameworks like SKAdNetwork and Privacy Sandbox), Video, Connected TV (CTV), and Desktop environments. What You'll Do: ROAS Optimization & Algorithmic Design: Develop, benchmark, and deploy real-time bidding (RTB) algorithms, pacing controls, and predictive m [... source excerpt omitted ...] esses trillions of monthly events. Preferred Experience: Deep understanding of the OpenRTB protocol, DSP/SSP mechanics, and supply-path optimization (SPO). Experience deploying production-grade Machine Learning frameworks for CTR/CVR prediction. Strong system-level performance benchmarking skills (profiling memory allocation, reducing I/O bottlenecks). We'd love for you to have: Education: Bachelor’s, Master’s, or equivalent practical experience in Computer Science, Data Science, Statistics, Mathematics, Physics, or an analytically grounded quantitative field. Experience: 5+ years of software engineering experience focusing on performance advertising, programmatic bidding, o [... source excerpt omitted ...] n Domain Expertise: Demonstrated track record of evaluating and implementing multi-touch attribution (MTA), last-touch attribution (LTA), or incrementality testing frameworks in a production environment. Data Engineering & Scale: Hands-on experience engineering pipelines handling terabyte-to-petabyte scale data via distributed frameworks such as Apache Spark, Apache Flink, Kafka, and cloud data warehouses (e.g., Snowflake, BigQuery). Format Versatility: Strong technical familiarity with technical specs supporting Mobile App (IDFA/GAID loss mitigations), CTV (App Transport Security, IFA standards), and Desktop environments. Additional Information Return to Office: PubMatic emplo