We are looking for a hands-on AdTech Engineer to build, maintain and optimize the technical infrastructure that powers digital advertising monetization.
The role will focus on header bidding, publisher-side ad delivery, SSP integrations, auction performance and advertising instrumentation. This is an engineering role - not campaign trafficking, media buying or campaign management.
Responsibilities
- Build, configure and maintain Prebid.js/header bidding implementations, including bidder adapters, modules and version upgrades.
- Integrate and maintain connections with SSPs and demand partners.
- Implement and troubleshoot publisher-side advertising using Google Ad Manager (GAM), Google Publisher Tags (GPT) and related technologies.
- Optimize auction and wrapper performance, including timeouts, lazy loading, request management and page performance/Core Web Vitals.
- Support floor-price configuration and testing in partnership with yield/monetization teams.
- Build and maintain analytics and logging to monitor auctions, bids, demand-partner performance and technical issues.
- Troubleshoot ad delivery issues across browsers, devices and publisher properties.
- Work with engineering,
product and monetization teams to test and deploy changes safely.
- Support the passing of available audience, contextual and first-party signals into the advertising stack where required.
- Required experience
- 3–5 years of software engineering experience, preferably within digital advertising, publishing or monetization technology.
- Strong hands-on JavaScript/TypeScript experience.
- Practical experience with Prebid.js or another header-bidding implementation.
- Understanding of programmatic advertising and real-time auctions.
- Experience working with GAM/GPT and SSP integrations
- Strong browser debugging and web-development fundamentals.
- Familiarity with performance optimization, asynchronous JavaScript, APIs and network requests.
- Nice to have - not required
- Prebid Server
- OpenRTB.
- Amazon TAM/APS.
- Video advertising/VAST.
- Consent frameworks such as GPP/TCF.
- Analytics adapters and auction-level telemetry.
- Dynamic floors/yield optimization.
- Familiarity with first-party audience signals or publisher identity solutions.
📌 AdTech Engineer (Ciudad de México)
🏢 Tata Consultancy Services
📍 Ciudad de México
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