About Careertakes

👉 Important disclosure: Careertakes is a third-party recruiting platform supporting this hiring process. If selected, you will be employed directly by our client, Technology, Information and Media.

Applicants for this role may also receive access to additional matched opportunities through the Careertakes platform.

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About the Role

Confidential Client is hiring a Senior-level Software Engineer focused on JavaScript and ad-technology (header bidding) to build and operate client-side monetization solutions at scale. You will be the technical expert for Prebid.js/Prebid Server and own the header-bidding wrapper architecture, reliability, and performance across thousands of publisher sites. This is a remote role for candidates based in the United States and reports to an Engineering Manager.

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Key Responsibilities

• Write and ship production-quality JavaScript and TypeScript code daily.
• Review peer pull requests and champion high code quality and testing.
• Serve as a subject-matter expert for Prebid.js and Prebid Server.
• Architect, maintain, and release header bidding wrappers, bid adapters, and modules (identity, consent, floors, analytics).
• Monitor and respond to Prebid.js/Prebid Server releases, OpenRTB updates, and emerging header-bidding standards.
• Translate ecosystem changes into concrete platform upgrades and recommendations.
• Integrate with Google Ad Manager, GPT, and IMA SDK for ad serving and video.
• Apply deep knowledge of GAM features: line item architecture, key-value targeting, dynamic allocation, and Unified Pricing Rules.
• Measure and protect Core Web Vitals (INP, LCP, CLS) and optimize client-side performance.
• Monitor memory, script execution time, and network overhead to protect UX while maximizing revenue.
• Own deployed solutions’ lifecycle and ensure ongoing reliability and incident response.
• Collaborate with a distributed engineering team to solve complex ad-tech problems.

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Required Qualifications

• Deep, hands-on expertise with Prebid.js (wrapper configuration, bid adapters, modules).
• Experience with Prebid Server (stored requests, server-side adapter configuration, S2S routing).
• Strong understanding of the programmatic auction lifecycle, OpenRTB, SSP/DSP integrations.
• 4+ years of JavaScript development experience and substantial TypeScript experience.
• Strong working knowledge of Google Ad Manager and GPT.
• Experience deploying and operating high-throughput services on Google Cloud Platform (GKE, Cloud Run, Pub/Sub, BigQuery).
• Familiarity with identity solutions/EIDs, consent frameworks (TCF, GPP), Amazon TAM/APS, and video (IMA SDK / VAST).
• Strong asynchronous programming skills and solid client-server architecture understanding.
• Excellent problem-solving, technical documentation, and communication skills.
• Demonstrated ad-technology experience is required.

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Preferred Qualifications

• Prior ownership of header-bidding wrappers at scale.
• Experience improving Core Web Vitals for client-side monetization scripts.
• Proven track record of production reliability and incident management in ad-tech environments.

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Skills & Competencies

• JavaScript & TypeScript
• Prebid.js & Prebid Server
• Header bidding and wrapper architecture
• Programmatic advertising / auction lifecycle
• Bid adapters, Prebid modules (identity, consent, floors, analytics)
• Google Ad Manager (GAM) & GPT
• OpenRTB, SSP/DSP integrations
• Identity solutions / EIDs; consent frameworks (TCF, GPP)
• Amazon TAM / APS; IMA SDK / VAST (video)
• Asynchronous programming and client-server patterns
• Google Cloud Platform (GKE, Cloud Run, Pub/Sub, BigQuery)
• Web performance optimization and Core Web Vitals
• Production reliability, monitoring, and incident response
• Clear technical documentation and cross-team collaboration

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Education & Experience

• No specific educational requirement stated.
• 4+ years of professional JavaScript development experience.
• Substantial TypeScript experience and demonstrable, hands-on ad-tech expertise.

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Work Arrangement & Schedule

• Work arrangement: Remote (United States only).
• Employment type: Full-time (as listed by source).
• This position requires candidates who are legally authorized to work in the United States. Confidential Client does not offer sponsorship for this role.
• Reasonable accommodations are available upon request for candidates with disabilities during the application and interview process.

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Compensation & Benefits

• Compensation: Not specified in the source posting.
• Benefits: Not specified in the source posting.

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Compliance / Additional Information

Confidential Client provides technology and data-driven solutions to help publishers maximize advertising revenue. This role requires deep, hands-on ad-technology expertise—particularly Prebid.js, Prebid Server, Google Ad Manager, header bidding, and programmatic advertising systems.

Confidential Client and Careertakes comply with federal, state, and local employment laws. Employment is at-will unless otherwise specified. Applicants must be eligible to work in the United States.

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Equal Opportunity & Hiring Transparency

Careertakes and our client are Equal Opportunity Employers committed to building a diverse and inclusive workforce. We prohibit discrimination or harassment of any kind. To support a fair and efficient hiring process, AI tools may be used to assist with application review or resume screening. These tools do not replace human decision-making. Final hiring decisions are made by people.

If you have questions about how your data is used, please contact us directly.