Description

Senior Full-Stack Software Developer specializing in React, Angular, Node.js (NestJS, Express.js), and Next.js.

Extensive experience building scalable frontend and backend systems for both startups and enterprise products, delivering end-to-end solutions across the full development lifecycle.

Long-time contributor to fully remote, distributed teams, delivering projects under B2B contract engagements in remote-first environments. Strong fit for self-driven teams with high ownership, minimal bureaucracy, and strong engineering culture.

Currently focused on reactive SPAs, Node.js/NestJS backend services, and full-stack Next.js applications. Actively using AI development tools (Claude, GitHub Copilot) with strict engineering control and verification of generated code.

Languages

English
Native or bilingual

Workplace preferences

Remote only

Primarily works remotely

Airmee
Full Stack Developer
March 2020 - Today (6 years and 5 months)
Developed and maintained new platform features for Airmee, a major Swedish last-mile delivery service, using AWS Lambda, Node.js, Angular, PostgreSQL, and Bootstrap.
Node.js PostgreSQL Angular Front-End development Back-End development
TAPKEY OÜ
Founder & Full Stack Developer
February 2013 - Today (13 years and 6 months)
Extensive experience developing enterprise and startup web applications using Angular and Java Spring Boot, along with modern frontend frameworks and UI libraries including Bootstrap, Angular Material, and ng-bootstrap. Delivered solutions primarily through B2B contract engagements across Europe and the United States.
Angular Front End Interface Development Backend Service Development Node.js REST
Avalanche Laboratory
Frontend Developer
December 2018 - November 2019 (11 months)
Tallinn, Estonia
Developed a land cadastre management system from scratch for the Estonian Centre of Registers and Information Systems (RIK) using Angular and Bootstrap.
Front-End development Angular

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Master's Degree
National Technical University of Ukraine 'Kyiv Polytechnic Institute'
2005
Master's Degree

Sergei Zelentsov

Senior Full-Stack Developer | Angular, React, Node

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