Oleksandr Hladyshchuk
Frontend Engineer at Avenga
Ukraine
Summary
👤
Senior🎓
Top SchoolOleksandr Hladyshchuk is a Frontend Engineer with 10 years of experience designing and optimizing high-performance, user-focused web applications using React, Next.js, TypeScript and modern build tooling. He has delivered production systems across streaming, finance, and e-commerce domains, balancing product-driven feature work with hands-on refactors of legacy code to improve performance and maintainability. A proven team lead and mentor, he has guided UI teams at agencies and product companies, aligning designers, backend engineers, and PMs to ship polished, accessible interfaces. Based in Lviv and fluent in English and Ukrainian, he is comfortable in remote-first environments and integrating third-party APIs, CMS platforms, and complex build pipelines. Notably, his background in economic cybernetics gives him a data-minded approach to frontend architecture and performance trade-offs.
10 years of coding experience
10 years of employment as a software developer
Master of Science (MS), Economic Cybernetics, Master of Science (MS), Economic Cybernetics at Banking University
English, Ukrainian
Github Skills (2)
typescript1
react1
Programming languages (2)
Github contributions (5)
sunri5e/gameloft
Sep 2015 - Oct 2015
Contributions:4 commits, 3 pushes, 1 branch in 8 days
sunri5e/okko
May 2022 - Jan 2025
Contributions:47 pushes, 3 branches in 2 years 8 months
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