Alexander Sergeev
Frontend Engineer at Auntie
Espoo, Finland
Summary
👤
Senior🎓
Top SchoolAlexander Sergeev is a frontend engineer based in Espoo, Finland with nine years in software and a decade-long IT background that spans HTML/CSS beginnings, SEO and marketing, and a return to development focused on React, TypeScript and modern state/query libraries. He has delivered fintech and banking frontends (React Native mobile banking, WebSocket chat, role-based routing) and strengthened enterprise apps at Sberbank by improving architecture and test coverage. Recently transitioning toward full‑stack work through Integrify and a Node.js backend course, he combines practical backend understanding (Java, Spring Boot, PostgreSQL) with a strong frontend craft. An active open‑source contributor, he has enhanced UI and game interactions in the Codebattle project, showing attention to user experience and rapid UI iteration. Colleagues describe him as a pragmatic engineer who pairs product-minded communication with hands-on delivery across the stack.
8 years of coding experience
3 years of employment as a software developer
Integrify ©Frontend Developer, Frontend Developer at HexletSoftware Developer, Software Developer at Moscow Technological InstituteМагистр Entrepreneurship/Entrepreneurship Research, Магистр Entrepreneurship/Entrepreneurship Research at Formonix
Russian, suomi, English
Github Skills (7)
javascript10
react10
front-end-development9
game-development8
ui-design7
docker4
dockers4
Programming languages (8)
Github contributions (5)
hexlet-codebattle/codebattle
Apr 2021 - Apr 2021
Codebattle - Game for programmers, where you solved algorithmic problems with other players in real time. You can fight with other players in single player mode or join massive tournaments.
Role in this project:
Front-end Developer
Front-end DeveloperContributions:5 commits, 3 PRs, 2 pushes in 4 days
Contributions summary:Alexander primarily contributed to the front-end aspects of the project, as evidenced by changes within React components and the addition of new UI elements. They modified the user profile component, removing a GitHub link and adding achievement display. Furthermore, the user added "give up" and "reset" buttons to the game guide, modifying the game's action buttons. The user's focus appears to be enhancing the user interface and improving user interaction within the game.
reactjavascriptelixirdockerphoenix
Surtt/langtons-ant
Sep 2021 - Nov 2022
Contributions:2 reviews, 42 commits, 12 PRs in 1 year 2 months
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