Senior Software Engineer - Javascript (Remote- US only)

📋 Description

• Senior hands-on developer writing and shipping production code daily
• Subject matter expert for Prebid.js and Prebid Server, wrapper architecture, and modules
• Own header bidding wrapper end to end; influence architecture and release cycle
• Work daily with Google Ad Manager (GAM), GPT, and IMA SDK
• Maintain high quality client-side monetization scripts at massive scale
• Focus on on-page performance, Core Web Vitals, memory usage, and network overhead

🎯 Requirements

• Deep, hands-on expertise with Prebid.js — wrapper configuration, bid adapters, modules
• In-depth knowledge of the auction lifecycle
• Experience with Prebid Server — stored requests, s2s routing, server-side adapters
• Strong GAM knowledge: GPT, line item architecture, targeted advertising features
• 4+ years JavaScript development with substantial TypeScript experience
• Experience with Google Cloud Platform (GKE, Cloud Run, Pub/Sub, BigQuery)

🎁 Benefits

• Freestar is an Equal Opportunity Employer
• Extended information on visa sponsorship not provided