1 day ago
Remote, United StatesSenior
Responsibilities
- Write and ship production JavaScript and TypeScript code daily, review pull requests, and partner with engineers to maintain code quality.
- Serve as the subject-matter expert for Prebid.js, Prebid Server, wrapper architecture, bid adapters, identity, consent, floors, and analytics modules.
- Track Prebid releases, OpenRTB changes, and header bidding standards and translate them into platform recommendations and upgrades.
- Own the header bidding wrapper end to end, including architecture, release cycles, feature integration, and design decisions.
- Work with Google Ad Manager, GPT, and the IMA SDK, including line item architecture, key-value targeting, unified auctions, and Unified Pricing Rules.
- Maintain client-side monetization scripts running on thousands of publisher sites at scale.
- Measure and protect Core Web Vitals, memory usage, script execution time, and network overhead.
- Own deployed solutions, address critical issues, and maintain system stability and performance.
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 ad auction lifecycle and experience with Prebid Server, stored requests, server-side adapter configuration, and server-to-server routing.
- Strong working knowledge of Google Ad Manager, GPT, line item architecture, key-value targeting, unified pricing rules, dynamic allocation, and related capabilities.
- At least 4 years of JavaScript development experience with substantial TypeScript experience.
- Experience deploying and operating high-throughput services on Google Cloud Platform, including relevant GCP services.
- Broad ad tech fluency spanning OpenRTB, SSP/DSP integrations, identity solutions and EIDs, TCF/GPP consent frameworks, Amazon TAM/APS, IMA SDK, and VAST.
- Strong asynchronous programming and client-server architecture knowledge.
- Strong problem-solving, technical documentation, communication, and distributed-team collaboration skills.
- Preferred: contributions to Prebid.js or Prebid Server open-source repositories.
Benefits
- Remote position available to candidates in the United States only.
- 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.
