9 hours ago
Remote, United StatesSenior
Responsibilities
- Write and ship production JavaScript and TypeScript code daily while reviewing peer contributions and partnering with engineers on code quality.
- Serve as the subject-matter expert for Prebid.js and Prebid Server, including wrapper configuration, bid adapters, modules, stored requests, and server-side routing.
- Own the header bidding wrapper end to end, including architecture, release cycles, feature integration, and key technical decisions.
- Monitor and improve client-side monetization performance by protecting Core Web Vitals, memory usage, script execution time, and network overhead.
- Work with Google Ad Manager, GPT, IMA SDK, OpenRTB, and programmatic advertising integrations.
- Own deployed solutions, address critical issues, and maintain system reliability and performance.
- Track Prebid releases, OpenRTB changes, and emerging header bidding standards and translate them into platform improvements.
Requirements
- Deep hands-on expertise with Prebid.js, including wrapper configuration, bid adapters, and identity, consent, floors, and analytics modules.
- In-depth knowledge of the auction lifecycle and substantial experience in ad technology, client-side monetization, and scripting.
- Experience with Prebid Server, including stored requests, server-side adapter configuration, and S2S routing.
- Strong knowledge of Google Ad Manager, GPT, line item architecture, key-value targeting, unified pricing rules, dynamic allocation, and unified auction dynamics.
- At least 4 years of JavaScript development experience and substantial TypeScript experience.
- Experience deploying and operating high-throughput services on Google Cloud Platform, including familiarity with GKE, Cloud Run, Pub/Sub, and BigQuery.
- Fluency in OpenRTB, SSP/DSP integrations, identity solutions and EIDs, TCF/GPP consent frameworks, Amazon TAM/APS, and video technologies including IMA SDK and VAST.
- Strong asynchronous programming, client-server architecture, problem-solving, documentation, communication, and distributed-team skills.
- Contributions to Prebid.js or Prebid Server open-source repositories are preferred.
Benefits
- Remote position limited to candidates in the United States.
- The role is not eligible for visa sponsorship.
Tech Stack
Categories
About Freestar
Freestar builds a programmatic advertising platform and managed ad-operations service that monetize websites and mobile apps for publishers, e-commerce operators, and developers. Its offering centers on header bidding (e.g., Prebid) along with analytics and yield optimization, typically delivered on a revenue-share basis. Founded in 2015 and headquartered in Scottsdale, Arizona, the privately held company focuses on reducing ad-ops overhead while increasing revenue across display, video, and other formats.