7 hours ago
Remote, United StatesSenior
Responsibilities
- Write and ship production JavaScript and TypeScript code daily, review pull requests, and collaborate with engineers on code quality.
- Serve as the subject-matter expert for Prebid.js and Prebid Server, including wrapper architecture, bid adapters, identity, consent, floors, and analytics modules.
- Own the header bidding wrapper end to end, including architecture, feature integration, release cycles, and key design decisions.
- Track Prebid releases, OpenRTB changes, and header bidding standards and translate them into platform upgrades.
- Work with Google Ad Manager, GPT, IMA SDK, line-item architecture, key-value targeting, unified auctions, and Unified Pricing Rules.
- Measure and protect Core Web Vitals, memory usage, script execution time, and network overhead for client-side monetization scripts.
- Own deployed solutions, address critical issues, and maintain system reliability 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, and dynamic allocation.
- At least 4 years of JavaScript development experience with substantial TypeScript experience.
- Experience with Google Cloud Platform for deploying and operating high-throughput services.
- Broad ad tech fluency across OpenRTB, SSP/DSP integrations, identity solutions and EIDs, TCF/GPP consent frameworks, Amazon TAM/APS, and video technologies including IMA SDK and VAST.
- Strong experience with asynchronous programming and client-server architecture.
- Strong problem-solving, technical documentation, communication, creativity, and distributed-team collaboration skills.
- Contributions to Prebid.js or Prebid Server open-source repositories are preferred.
Benefits
- Remote role limited to candidates in the US.
- 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.