Serhii Onyshchenko
Lead Software Engineer. Java Backend Developer at GlobalLogic
Kyiv, Ukraine
Summary
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Senior🎓
Top SchoolSerhii Onyshchenko is a Lead Software Engineer based in Kyiv with over 10 years of experience building Java backend systems and evolving into technical leadership roles. He has a strong Spring/Java background complemented by frontend experience (Angular, TypeScript) and cloud work on AWS and GCP, enabling him to bridge backend architecture and full‑stack delivery. Serhii progressed through major engineering shops including EPAM, Grid Dynamics and GlobalLogic, delivering for enterprise banking and large-scale services. He also taught frontend at Main Academy, highlighting an ability to mentor and translate complex concepts for teams. With an early career in civil engineering, he brings structured, engineering-first thinking to software design and reliable delivery. Actively seeking Technical Lead roles, he combines hands-on coding with pragmatic leadership to drive scalable, maintainable systems.
10 years of coding experience
7 years of employment as a software developer
Specialist diploma Industrial and civil engineering, Specialist diploma Industrial and civil engineering at Kyiv National University of Construction and ArchitectureHas successfully compleated Front-End External Education Program, Has successfully compleated Front-End External Education Program at EPAM Systems
Russian, Ukrainian, English
Github Skills (28)
kubernetes9
security9
datatable9
charts9
api-management9
proxies9
golang9
html-webpack-plugin9
angular9
serve9
datagrid9
consul9
microservices9
inject8
fault-injection8
Programming languages (7)
Github contributions (5)
SergiOn/build-your-own-angularjs
May 2017 - Jan 2018
Contributions:12 PRs, 151 pushes, 33 branches in 9 months
SergiOn/mobile
May 2020 - Feb 2024
Contributions:43 pushes, 11 branches in 3 years 10 months
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