Senior Software Engineer – Javascript

Description

• Write and ship production code daily as a senior hands-on developer • Review peers' pull requests and partner with engineers to ensure codebase quality • Serve as subject-matter expert for Prebid.js and Prebid Server • Advise on wrapper architecture, bid adapters, identity, consent, floors, and analytics modules • Track Prebid releases, OpenRTB specification changes, and emerging header-bidding standards • Translate ecosystem developments into platform recommendations and upgrades • Own the header bidding wrapper end to end, including architecture, release cycle, feature integration, and design decisions • Work daily with Google Ad Manager, GPT, and the IMA SDK • Maintain high-quality JavaScript and TypeScript client-side scripts running across thousands of publisher sites • Measure and protect Core Web Vitals, including INP, LCP, and CLS, plus memory usage, execution time, and network overhead • Own deployed solutions, maintain reliability, and address critical issues to preserve system stability and performance

Requirements

• Deep, hands-on expertise with Prebid.js — wrapper configuration, bid adapters, modules (identity, consent, floors, analytics) • In depth knowledge of the auction lifecycle • Experience with Prebid Server — stored requests, server-side adapter configuration, s2s routing, and more • Strong working knowledge of Google Ad Manager, including GPT, line item architecture, key-value targeting, unified pricing rules, dynamic allocation, and more • 4+ years of experience in JavaScript development, with substantial TypeScript experience • Experience with Google Cloud Platform (e.g., GKE, Cloud Run, Pub/Sub, BigQuery) for deploying and operating high-throughput services • Broad ad tech fluency: OpenRTB, SSP/DSP integrations, identity solutions and EIDs, consent frameworks (TCF/GPP), Amazon TAM/APS, video (IMA SDK/VAST) • Strong experience with asynchronous programming and understanding of client-server architecture • Strong problem-solving skills and ability to work in a distributed team environment • Excellent technical documentation and communication skills • Ability to be creative and contribute based on your merit • This role is not eligible for visa sponsorship

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