Senior Software Engineer - Javascript- AD TECH EXPERIENCE REQUIRED (Remote- US only)
Freestar · Remote- US only
Posted 15 days ago
or apply directly on Freestar's site. We never take the application ourselves.
Is this posting real?
- This role has been open
- 15 days Freestar's roles stay open a median of 16 days
- Reposted
- No
- Salary listed
- No 0% of Freestar's roles list one
- Ghost-job risk at Freestar
- moderate 1 stale, 0 reposted of 5 open
- Hiring momentum
- 18 roles opened in the last 90 days ↑ up vs. the prior 90 days
- Last confirmed on the employer's board
- 2026-09-17
Measured from postings appearing on and disappearing from Freestar's own greenhouse board since 2026-08-03. Full hiring picture for Freestar.
About this role
As a Senior Software Engineer at Freestar, you will focus on developing solutions for the header bidding ecosystem, specifically working with Prebid.js and Prebid Server. Your role involves writing production code, reviewing peers' work, and ensuring high-quality standards in client-side scripts that enhance monetization for publishers. You will also take ownership of the header bidding wrapper and collaborate closely with Google Ad Manager to optimize performance and maintain system reliability.
- benefits
- 1/5
- freshness
- 4/5
- career value
- 5/5
- role clarity
- 5/5
- pay transparency
- 0/5
Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Freestar as an employer.
What you need
- Significant JavaScript experience
- Experience in the ad technology industry
- Deep expertise with Prebid.js and Prebid Server
- Strong knowledge of Google Ad Manager
- 4+ years of experience in JavaScript development
- Substantial TypeScript experience
Nice to have
- Contributions to Prebid.js or Prebid Server open-source repositories
Worth weighing
- Remote position limited to US applicants
- No visa sponsorship available
- Dynamic and challenging environment may require adaptability
Summarised from Freestar's posting. Read the full original.
Listed by Freestar on their greenhouse job board, last confirmed open on 2026-09-17. PitchMeAI is not the employer.