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Dev.Pro

Software Development Partner. Result-driven. Quality-obsessed.

Senior JavaScript, Prebid Engineer - AdTech

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 501-1,000Since 2011H1B No SponsorCompany SiteLinkedIn

Location

Brazil

Posted

72 days ago

Salary

0

Seniority

Senior

5 yrs expEnglishJavaScriptReact

Job Description

Senior JavaScript, Prebid Engineer - AdTech

Dev.Pro

• 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

Job 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

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