Senior Software Engineer, Javascript – Ad Tech Experience Required

🕒 Yesterday

🇺🇸 United States – Remote

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

Where this job comes from

Posted on Freestar's careers page, not through a job board

First seen by Remote Rocketship Yesterday

Still open on Freestar's site. Checked 49 minutes ago.

Logo of Freestar

Freestar

201 - 500 employees

Founded 2018

📣 Marketing

💼 Consulting

📦 Logistics

💰 Private Equity Round on 2021-01

Marketing • Consulting • Logistics

Freestar is a company that delivers comprehensive ad monetization solutions tailored for publishers, retailers, and app developers. Specializing in programmatic ad strategies, Freestar emphasizes long-term business growth and revenue optimization through their proprietary technology and expert team. Their offerings include advanced header bidding, customized ad serving solutions, and insightful data analytics for real-time performance monitoring. By focusing on increasing ad revenue and providing high-impact ad units, Freestar helps clients innovate and navigate the complexities of the ad tech landscape. With a commitment to customer success, they provide a range of additional services like SEO consultations and audience development support, ensuring clients can focus on their primary business goals while Freestar optimizes their ad operations.

📋 Description

• Serve as a senior hands-on developer, writing and shipping production code daily, reviewing peers' pull requests, and partnering with engineers to ensure codebase quality • Serve as a subject matter expert for Prebid.js and Prebid Server, including wrapper architecture, bid adapters, identity, consent, floors, and analytics modules • Track Prebid.js and Prebid Server releases, OpenRTB specification changes, and emerging header bidding standards, translating them into platform recommendations and upgrades • Own the header bidding wrapper end to end, including architecture, release cycle, feature integration, and design decisions • Work daily with Google Ad Manager, GPT, and the IMA SDK, including line item architecture, key-value targeting, unified auction dynamics, and Unified Pricing Rules • Maintain high-quality JavaScript and TypeScript client-side scripts monetizing publisher sites at scale • Measure and protect Core Web Vitals, including INP, LCP, and CLS, as well as memory usage, execution time, and network overhead • Own deployed solutions, ensuring reliability and addressing critical issues to maintain system stability and performance

🎯 Requirements

• 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 • Strong problem-solving skills and ability to work in a distributed team environment • Excellent technical documentation and communication skills • Ability to be creative and contribute based on your merit • This role is not eligible for visa sponsorship

Apply Now

📊 Check your resume score for this job

Improve your chances of getting an interview by checking your resume score before you apply.

Similar Jobs

🕒 Yesterday

CVS Health

10,000+ employees

🏥 Healthcare

⚕️ Healthcare Insurance

🛒 Retail

Senior Software Development Engineer building full-stack Java and cloud applications for CVS Health’s Aetna Claims organization. Developing scalable frontend, backend, database and CI/CD solutions.

🇺🇸 United States – Remote

💵 $92.7k - $185.4k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🕒 Yesterday

Rain

51 - 200

💳 Fintech

👥 HR Tech

☁️ SaaS

Lead Engineer building transaction, ledger, and banking infrastructure for Rain’s AI financial health platform. Leading distributed engineering teams and shaping reliable financial product systems.

🇺🇸 United States – Remote

💵 $180k - $230k / year

💰 $75M Series B - Rain on 2025-02

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🕒 Yesterday

Rain

51 - 200

💳 Fintech

👥 HR Tech

☁️ SaaS

Tech Lead leading distributed engineering teams and financial infrastructure for Rain’s AI financial health platform. Designing transaction systems, APIs, integrations, and scalable cloud services.

🇺🇸 United States – Remote

💵 $180k - $230k / year

💰 $75M Series B - Rain on 2025-02

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🕒 Yesterday

EducationSuperHighway

11 - 50

📚 Education

🤝 Non-profit

📡 Telecommunications

Senior Software Engineer extending EducationSuperHighway’s payroll-linked workplace giving platform. Building provider integrations, enrollment workflows, reconciliation, and compliance tooling for the 2027 launch.

🇺🇸 United States – Remote

💵 $180k / year

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🕒 Yesterday

Life360

201 - 500

👥 B2C

📡 Telecommunications

AI-native full-stack engineer building Life360 family safety products for aging-in-place users. Shipping backend, mobile, and AI-powered experiences across emerging member segments.

🇺🇸 United States – Remote

💵 $118.5k - $216.5k / year

💰 Post-IPO Equity on 2022-11

⏰ Full Time

🟠 Senior

🧑‍💻 Full-stack Engineer

🦅 H1B Visa Sponsor

infoinfo
Developed by Lior Neu-ner. I'd love to hear your feedback — Get in touch via DM or support@remoterocketship.com
Follow Remote Rocketship on LinkedInFollow Remote Rocketship on InstagramFollow Remote Rocketship on FacebookFollow Remote Rocketship on TikTok