Carlos Felix is a Senior Solutions Engineer in AdTech with over 18 years of software engineering experience and a decade focused on advertising technology, header bidding, and client-side monetization. He combines deep Prebid.js expertise—contributing adapter and user ID work to the open-source Prebid project—with systems-level development across JavaScript/TypeScript, Go, and cloud tooling to deliver scalable ad platforms and cookieless user addressability. Known for debugging complex cross-domain iframe, async/event-loop, and CDN issues, he serves as a hands-on technical lead who bridges engineering, product and integration teams. At 33Across he built the company’s prebid ID system and refactored a mission-critical ad tag for performance and maintainability, improving revenue capture and developer experience. Authorized to work for any US employer, he brings both production-grade implementation skills and a knack for translating privacy and measurement requirements into reliable, test-driven solutions.
10 years of coding experience
6 years of employment as a software developer
Engineer, Computer Systems Engineer, Engineer, Computer Systems Engineer at ITESO Universidad Jesuita de Guadalajara
Setup and manage header bidding advertising partners without writing code or confusing line items. Prebid.js is open source and free.
Role in this project:
Front-end Developer
Contributions:5 reviews, 6 commits, 17 PRs in 1 year 7 months
Contributions summary:Carlos primarily contributed to the 33Across Bid Adapter, adding support for advertiser domain information within bid responses. They also worked on a 33Across user ID submodule, which involved initial release tasks and subsequent improvements such as sending privacy strings and adding version parameters to requests. Furthermore, the user focused on enhancing the bid adapter by obtaining display-related attributes and integrating structured user agent information into the RTB payload.
Setup and manage header bidding advertising partners without writing code or confusing line items. Prebid.js is open source and free.
Contributions:78 reviews, 80 PRs, 191 pushes in 4 years
headerprebidjavascriptconfusingbidding
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