Serhii Nahornyi
Senior Software Engineer Team Lead at GlobalLogic
Warsaw, Masovian Voivodeship, Poland
Summary
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Rockstar🎓
Top SchoolSerhii Nahornyi is a Senior Software Engineer and Team Lead based in Warsaw with a background in Java and full‑stack development across FinTech and enterprise projects. With 5–6 years of professional experience, he progressed from trainee and junior roles at EPAM to leading engineering efforts at GlobalLogic, blending hands‑on coding with team leadership. He contributes to high-profile open-source work in real-time adtech—enhancing the Rubicon adapter in prebid/prebid-server by adding video parameters, rewarded inventory flags, currency conversion, and segment targeting—showing deep bidder logic and backend optimization skills. Comfortable owning complex backend integrations, he also brings full‑stack sensibilities from earlier roles, enabling pragmatic end‑to‑end solutions. A Kyiv Polytechnic alumnus, Serhii pairs solid academic foundations with practical delivery in cloud and distributed systems. Colleagues know him for improving adapter performance and for translating nuanced ad auction requirements into reliable production code.
5 years of coding experience
2 years of employment as a software developer
Igor Sikorsky Kyiv Polytechnic Institute
Stackoverflow
1reputation
79reached
0answers
1question
Github Skills (15)
json10
openrtb10
go10
advertising10
apidoc9
api9
convertion8
currency-converter8
testing8
currency-exchange8
convert8
go-testing8
jpa6
hibernate6
java6
Programming languages (5)
Github contributions (5)
prebid/prebid-server
Dec 2020 - Jan 2023
Open-source solution for running real-time advertising auctions in the cloud.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:33 reviews, 9 commits, 18 PRs in 2 years 1 month
Contributions summary:Serhii primarily contributed to the Rubicon adapter, focusing on integrating features and modifying existing functionalities within the Prebid Server codebase. They implemented video-related parameters, including size ID resolution, rewarded inventory flags, and currency conversion. Furthermore, they integrated segment data for user targeting and added support for the `bidonmultiformat` parameter, demonstrating a focus on bidder logic and optimization. These changes involve modifications to the adapter's core bidding process.
nodejsserver-sideprebid
prebid/prebid-server-java
Oct 2020 - Jan 2023
Java version of Prebid Server
Contributions:2 releases, 1385 reviews, 303 commits in 2 years 3 months
prebidjavarewardserver
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