Senior JavaScript, Prebid Engineer - AdTech

🕒 April 14

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Dev.Pro

WebsiteLinkedInAll Job Openings

501 - 1000 employees

Founded 2011

🤝 B2B

💳 Fintech

☁️ SaaS

B2B • Fintech • SaaS

Dev. Pro is a software development partner that supports technology companies with custom outsourced software development services. With over 13 years of experience, a team of more than 900 experts, and operations in over 50 countries, Dev. Pro provides a comprehensive range of services including cloud development, DevOps, software testing and QA, system integration, and application security. The company caters to a wide array of industries such as digital commerce, fintech, hospitality, and healthcare by delivering tailored software development experiences. Dev. Pro emphasizes quality, innovation, and a transparent collaboration process to accelerate growth for ambitious startups and Fortune 500 enterprises alike, ensuring successful outcomes through a well-balanced and efficient team approach.

📋 Description

• Architect and optimize a custom Prebid.js-based header bidding stack • Build and maintain high-performance JavaScript integrations running on publisher websites • Improve latency, auction efficiency, and yield optimization across ad units • Develop and enhance React-based widgets that render dynamic local listings • Collaborate on bidder integrations, adapters, and demand partner connections • Debug complex issues across browser environments, third-party scripts, and ad exchanges

🎯 Requirements

• 5+ years of JavaScript engineering experience • Strong understanding of browser performance, async loading, and script execution • Experience with AdTech ecosystems (Prebid, GAM, DSPs, SSPs) OR strong adjacent experience (high-scale JS, real-time systems) • Familiarity with header bidding concepts (auctions, bid requests, latency tradeoffs) • Experience debugging third-party script conflicts and optimizing page performance • Ability to work in a fast-moving, product-driven environment

🏖️ Benefits

• 30 paid days off each year — use them for vacation, holidays, or personal time • 5 paid sick days, up to 60 days of medical leave, and 6 paid days off for family events like weddings, funerals, or having a baby • Partially covered health insurance - after probation • Wellness bonus for gym memberships, sports nutrition, and similar needs