Viktor Liegostaiev
Lead Web Engineer at Extended
Krakow, Lesser Poland Voivodeship
Summary
👤
Senior🎓
Top SchoolViktor Liegostaiev is a Lead Web Engineer with 9 years of front-end experience, currently based in Krakow and leading web teams since 2024. He specializes in React, TypeScript, Next.js and modern testing stacks (Jest, RTL, Cypress, Playwright), with a track record of migrating legacy codebases to TypeScript and replacing Redux with react-query for clearer, more maintainable data flows. At Vault he introduced Sentry with automated source-map uploads and Slack alerts to surface and triage errors faster, and helped deliver accounting features while building a Chakra-based UI kit. Previously he spent several years at Revolut moving from frontend engineer to senior roles, bringing product-grade scale experience to startup and enterprise environments. Colleagues know him for pragmatic architectural decisions and for driving incremental modernization that reduces tech debt while keeping teams productive.
9 years of coding experience
7 years of employment as a software developer
Licencjat (Lic.) Informatyka, Licencjat (Lic.) Informatyka at Uniwersytet Marii Curie-Skłodowskiej w Lublinie
English, Ukrainian, Russian, Polish
Github Skills (23)
animation10
react-spring10
react-animations10
scroller10
scrolling10
react-component10
css-animations10
smooth10
react10
css9
gatsby9
graphql9
frontend8
compiler8
fastest8
Programming languages (3)
Github contributions (5)
VikLiegostaiev/react-page-scroller
Oct 2017 - Sep 2022
Simple React component for smoothy full-page scolling using CSS animations. React Page Scroller
Contributions:20 releases, 79 commits, 21 PRs in 4 years 11 months
react-componentfull-pagereactanimationscroller
VikLiegostaiev/adminTemplateCoyote.js
Dec 2016 - Jan 2017
Contributions:2 pushes, 1 branch in 1 month
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