Oleksii Kerpel
Senior JS Developer at DataArt
Odesa, Odesa Oblast, Ukraine
Summary
🤩
Rockstar🎓
Top SchoolOleksii Kerpel is a Senior JavaScript developer based in Odesa with nearly a decade of experience building high-load React applications, headless CMS integrations, and performant e-commerce and travel platforms. He combines frontend craftsmanship — reusable component design, SSR adoption, and performance tuning that has reduced LCP/FCP by ~35% — with backend work on APIs and notifications, and has driven projects from estimation through delivery. Comfortable collaborating with non-technical stakeholders, he also raises code quality through testing (achieving 90% coverage on a notifications system) and shared component libraries. His background spans real-time features (WebRTC, video calls), search engineering, and measurable optimization wins such as a 0.6s page load for a coupon engine. Notably, he blends hands-on implementation with architecture and mentoring, making him effective on both greenfield and legacy modernization efforts.
9 years of coding experience
4 years of employment as a software developer
Master's degree, Computer Science, Master's degree, Computer Science at Odessa National 'I.I. Mecnikov' UniversityBachelor's degree, Computer Science, Bachelor's degree, Computer Science at Odessa National 'I.I. Mecnikov' University
English, Russian, Ukrainian, French
Github Skills (27)
single-page9
npx9
cli8
turbo8
web-application7
hotwire7
tailwindcss7
react6
typesafe6
typescript6
full-stack6
nextjs6
javascript6
prisma6
trpc5
Programming languages (4)
Github contributions (5)
Ekkana/nvim
Nov 2023 - Mar 2025
Contributions:24 pushes, 2 branches in 1 year 3 months
Ekkana/find-next-change-nvim
Feb 2024 - Oct 2024
Contributions:10 PRs, 28 pushes, 2 branches in 7 months
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