Senior JavaScript / Prebid Engineer - Remote Opportunity

Dev.ProRemote — Bogotá, Bogota, Colombia

Remote Full-time

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Experience Level

Senior

Qualifications

5+ years of JavaScript engineering experience, strong knowledge of browser performance and async loading, experience in AdTech ecosystems or high-scale JS systems, familiarity with header bidding concepts, proficiency in debugging third-party scripts, and ability to work in a fast-paced environment.

About the job

Dev. Pro builds projects that reach millions worldwide. The team values diversity, inclusion, and a supportive workplace where people drive progress.

Role Overview

Dev. Pro is hiring a Senior JavaScript / Prebid Engineer to help develop an advanced advertising platform. This system uses a lightweight JavaScript and React widget to display dynamic local classified listings on publisher websites. The platform relies on a custom header bidding setup built with Prebid.js and runs entirely on Amazon Web Services.

This role focuses on improving and scaling the bidding infrastructure and on-page rendering engine. Candidates should bring significant experience in AdTech or high-performance frontend systems.

What You Will Do

Design and optimize a custom Prebid.js-based header bidding stack
Develop and maintain high-performance JavaScript integrations for publisher sites
Improve latency, auction effectiveness, and yield optimization for ad units
Create and enhance React widgets for dynamic local listings
Work on bidder integrations, adapters, and partnerships with demand partners
Troubleshoot complex issues across browsers and with third-party scripts

Technical Skills

Strong JavaScript (ES6+) skills; TypeScript experience preferred
Experience with React for widget rendering
Familiarity with Prebid.js and header bidding
Knowledge of AWS services such as Lambda, CloudFront, and S3
Understanding of real-time data flows and event-driven architectures

Who Will Succeed

5+ years working as a JavaScript engineer
Deep understanding of browser performance, async loading, and script execution
Background in AdTech (Prebid, GAM, DSPs, SSPs) or other high-scale JS and real-time systems
Comfortable with header bidding concepts: auctions, bid requests, and latency trade-offs
Skilled at debugging third-party script conflicts and optimizing page performance
Adaptable in a product-focused setting

Location: Remote , Bogotá, Bogota, Colombia

About Dev.Pro

Dev. Pro is a forward-thinking company dedicated to creating innovative technology solutions that make a difference in the lives of users worldwide. We value diversity and are committed to building an inclusive and supportive workplace.

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