Senior Solutions Engineer, Advertisers and Agencies

About the Role: As a Senior Solutions Engineer within the Advertisers and Agencies team, you will be a technical anchor in driving excellence and strategic value for our media buyer clients. You will lead complex solution design, audience activation strategies, and cross-functional collaboration to ensure successful onboarding, optimization, and long-term success of advertiser and agency partnerships. This role requires deep expertise in programmatic advertising, demand-side technologies (DSP), troubleshooting and audience data solutions. You will serve as a trusted technical advisor to clients and internal stakeholders, influencing product development and delivering scalable solutions that meet evolving market needs. What You'll Do: Pre-Sales & Solution Design Serve as the technical lead during prospect and client engagements: discovery, scoping, proof-of-concept, and RFP/RFI responses. Design end-to-end solutions using PubMatic’s buyer stack (bidder, API, audience, identity, reporting, log-level data) aligned with client goals (reach, targeting, optimization, attribution). Conduct POCs, validate hypotheses, align expectations in collaboration with Product & Engineering. Onboarding, Integration & Execution Lead the technical integration (post-sales): Data Onboarding, API Integration, Log-level data setup, pixel configuration. Collaborate with the Addressability team for new DMP integration, clean-room setup, and graph matching.