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Sergey Kovbasenko

@sergeykovbasenko

Message

I build scalable web, mobile, and server applications with React, React Native, Node.js, and TypeScript.

Ukraine

Message

What I'm looking for

I'm looking to build reliable web and mobile products, solve technical problems across frontend and backend systems, and collaborate in an Agile team while continuing to improve application performance and maintainability.

I've built web and mobile applications at SysGears and Meg Analytics, delivering frontend and backend features with React, React Native, Next.js, NestJS, Node.js, and PostgreSQL.

At SysGears, I developed and maintained microservices, optimized performance, resolved production issues, reviewed pull requests, and mentored junior developers. My project work includes an anonymous psychological support platform, fleet and vehicle-management applications, financial analytics dashboards, and a cross-platform Alias mobile game.

I enjoy solving technical problems, building reliable applications, and writing clean, maintainable code while collaborating closely with designers, QA engineers, and product managers.

Experience

Work history, roles, and key accomplishments

Full Stack Developer

SysGears

May 2022 - Aug 2024 (2 years 3 months)

Built web and mobile applications using React, React Native, Next.js, NestJS, and PostgreSQL. Implemented new frontend and backend features across multiple services, developed and maintained microservices, reviewed pull requests, mentored junior developers, optimized performance, and resolved production issues.