Sergey Onofreichuk
Delivery Manager at Capgemini Engineering
Ukraine
Summary
🤩
RockstarSergey Onofreichuk is a delivery-focused software leader with 10 years of experience managing and mentoring engineering teams across Ukraine and internationally. Currently a Delivery Manager at Capgemini Engineering, he progressed from hands-on Java and Android development into team and delivery leadership roles, consistently bridging technical delivery with client expectations. He has deep backend experience—demonstrated by contributions to the well-known Sonatype Nexus open-source repository, improving Maven and Cocoapods proxy handling—which reflects practical expertise in package repository mechanics. Sergey combines product-aware engineering with delivery discipline, having led Java teams and development groups at Capgemini, Altran, and Lohika. Colleagues value his ability to translate complex integration needs into testable, maintainable solutions while still contributing code where it matters. Based in Ukraine, he brings a pragmatic, cross-platform perspective shaped by a decade of full-stack and platform-focused work.
10 years of coding experience
15 years of employment as a software developer
Github Skills (13)
management10
javas10
git-repository10
repo-management10
cocoapods10
java10
repository-pattern10
maven9
testing8
restful-api7
api-design7
api-rest7
rest-api7
Programming languages (1)
Github contributions (5)
sonatype/nexus-public
Apr 2020 - Sep 2021
Sonatype Nexus Repository Open-source codebase mirror
Role in this project:
Back-end Developer
Back-end DeveloperContributions:1 review, 27 commits, 1 PR in 1 year 5 months
Contributions summary:Sergey contributed to the Nexus Repository codebase, specifically focusing on the plugins/nexus-repository-cocoapods and plugins/nexus-repository-maven modules. Their commits show modifications to the Cocoapods proxy functionality, including handling of spec files and pod files. The user also worked on the Maven repository, implementing and testing features related to parsing and handling of extensions. The contributions suggest a focus on improving the functionality of repository management, in particular, supporting different package formats.
nexus-repository-manageradobe-experience-managergroovysonatypeosgi
sergeyonofreychuck/specstest
Jun 2019 - Nov 2019
Contributions:1 release, 53 pushes, 3 branches in 4 months
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.