Senior Software Engineer - Javascript (Remote- US only)

Job summary

Software Engineer (Remote – US only) ABOUT Fre*** Fre*** is a pioneering company that engineers best-in-class, cutting-edge solutions for website monetization. We achieve this by leveraging our industry-leading technology, vast data resources, and remarkable scale.

Qualifications

• If you are a problem solver, have significant JavaScript experience, and you know what dynamic allocation is without having to look it up, this position is for you.
• This role is for someone that has experience in client side monetization and scripting, has a significant amount of experience in the ad technology industry, and has in depth knowledge of how the auction lifecycle works.
• Your work will require deep programmatic advertising expertise, a high degree of autonomy, and a proactive approach to problem-solving that directly enhances the monetization capabilities of Fre*** and its publishers.
• EXPERIENCE
• 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.

Responsibilities

• Located remotely and reporting directly to the Engineering Manager, you will play a pivotal role in our core projects.
• You will serve as a senior hands-on developer, writing and shipping production code daily, reviewing your peers' pull requests, and partnering with other engineers to ensure quality across the entire codebase.
• You will serve as a subject matter expert for Prebid.js and Prebid Server.
• You will be a voice on wrapper architecture, bid adapters, modules (identity, consent, floors, analytics), and more.
• You will own our header bidding wrapper end to end.
• This includes having an opinion on its architecture and release cycle, evaluating and integrating new features and making key design decisions.
• You will work daily with Google Ad Manager, GPT, and the IMA SDK.
• Deep knowledge of GAM's features and capabilities is important in this role — line item architecture, key-value targeting, unified auction dynamics, Unified Pricing Rules, and more.
• You will be responsible for maintaining a high quality standard of code for the client-side scripts that monetize publisher sites.
• Your JavaScript and TypeScript will run on thousands of publisher sites at massive scale.
• You will be responsible for the on-page performance of our client-side scripts.
• You will take ownership of deployed solutions, ensuring their ongoing reliability and addressing any critical issues as they arise, helping maintain system stability and performance.

Skills

Degrees

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