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Senior Software Engineer - Javascript

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Senior Software Engineer - Javascript in USA new

  • Freestar
  • Full time
  • Email
  • Remote

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.

Freestar

Freestar engineers cutting-edge monetization solutions for websites and apps. By combining industry-leading technology, data, and massive scale, we enable busy site and app owners to seamlessly maximize revenue while freeing themselves of the hassles of ad operations. Publishers, e-commerce sites...

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