Jozef Bartek
Engineering Director - Advertising Technologies at Azerion
Region of Trnava, Slovakia
Summary
🤩
Rockstar🎓
Top SchoolJozef Bartek is an engineering director specializing in advertising technologies with eight years of focused experience in ad tech and a broader software career spanning e-commerce, logistics and financial systems. He leads client-side monetization teams at Azerion and previously drove full monetisation solutions, maintaining and extending key open-source Prebid adapters used in industry-standard header bidding (Prebid.js and Prebid Server). Equally comfortable in front-end and back-end work, he has implemented video, native and consent features, server-side integrations and custom auction logic that improve publisher yield and compliance. His background includes hands-on system development at Amazon and building automated trading systems, reflecting a pragmatic mix of large-scale product engineering and quantitative problem solving. Based in the Trnava region, he combines technical leadership with active contributions to well-known open-source adtech tooling, bringing both strategic direction and deep implementation experience.
8 years of coding experience
21 years of employment as a software developer
Master of Science - MS Software Design and Development, Master of Science - MS Software Design and Development at Masaryk University BrnoBachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at University of Ss. Cyril and Methodius
English, Slovak, German
Github Skills (14)
json10
video-ads10
openrtb10
adaptor10
javascript10
go10
header-bidding10
adapter10
advertising10
prebid10
apidoc9
gdpr9
api9
compliance9
Programming languages (5)
Github contributions (5)
prebid/Prebid.js
Oct 2017 - Oct 2022
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
Front-end DeveloperContributions:13 reviews, 31 commits, 32 PRs in 5 years
Contributions summary:Jozef primarily contributed to the Improve Digital bid adapter, a component of the Prebid.js library. Their work involved modifying the adapter to support new features and adhere to evolving standards. Key changes included incorporating video ad support, CCPA and GDPR compliance, and adding functionality for handling various ad formats and parameters. The user also worked on features such as custom creative rendering and support for server-side ad call (Schain) to enhance the adapter's capabilities.
header-biddingprebidbidder-adapter
prebid/prebid-server
Jul 2019 - Jan 2023
Open-source solution for running real-time advertising auctions in the cloud.
Role in this project:Back-end Developer
Back-end DeveloperContributions:3 reviews, 6 commits, 8 PRs in 3 years 6 months
Contributions summary:Jozef primarily contributed to the `Improved Digital` adapter, a key component for real-time advertising auctions. Their work included implementing support for native ads, splitting multi-impression requests, and adding Google additional consent support. The user also integrated deal ID and rewarded inventory logic, and modified the adapter to include the publisher ID as a parameter in the endpoint. This indicates a focus on enhancing the adapter's functionality and integrating it with various ad serving features.
nodejsserver-sideprebid
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