Sergey Dunaevskiy
Senior JavaScript Developer, Team Leader (M&A Of Valatron Company)
Prague, Prague, Czechia
Summary
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Senior🎓
Top SchoolSergey Dunaevskiy is a Senior JavaScript Developer and team leader based in Prague with 11 years of experience building client-focused web and mobile applications and guiding small-to-mid sized engineering teams. He specializes in React, Next.js (including RSC and AppRouter), React Native/Expo and TypeScript, while also contributing to backend (.NET), CI/CD and DevOps workflows. Sergey blends hands-on development with business and technical analysis, presales, architecture and UX/UI design, treating programming as an art governed by rigorous grammar. He has led front-end standardization efforts and created JS libraries and CLI tools across enterprise and product projects, often pairing implementation with tutoring and internal education. Notably, he moves comfortably between startup and consultancy dynamics—delivering both greenfield React apps and Liferay integrations—bringing a pragmatic, design-minded approach to engineering leadership.
11 years of coding experience
11 years of employment as a software developer
Mathematics, Informatics, Chemistry, Languages, Mathematics, Informatics, Chemistry, Languages at Gymnázium OmskáMaster's degree (Ing.), Software Engineering, A/A, Master's degree (Ing.), Software Engineering, A/A at FIT CTU in Prague
Russian, Czech, English, German
Github Skills (54)
reducer10
redux-actions10
redux-observable10
redux9
redux-middleware9
reducers9
dependency-injection9
redux-store9
react8
immutablejs8
gatsby-plugin6
parse5
metalsmith5
javascript4
netlify4
Programming languages (3)
Github contributions (5)
evo-doc/front-end
Mar 2018 - Oct 2018
Contributions:2 releases, 62 pushes, 19 branches in 6 months
dunaevskiy/ex-cicd
Jun 2021 - Jul 2021
experimental travis repo
Contributions:1 release, 20 PRs, 62 pushes in 5 days
traviscirclecicontinuous-integration
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