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Іllia Chernysh
From Ukraine 03:07 PM (GMT+02:00)
$35/hr or $60,000/yr

Active 1 hour ago


Member since Sep 2026

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Senior Fullstack Developer

Full-Stack Engineer
Available for hire
Years of experience
6+ years
Experience level
Senior
Available for
Full-time, Contract, Freelance
Download Resume / CV

Senior Fullstack Engineer with 6 years of experience building scalable web and mobile products across fintech, IoT, and e-commerce. I build end-to-end solutions across frontend and backend, contribute to architecture, and raise engineering standards through code reviews and knowledge sharing. I use AI tools as a core part of my workflow and am currently expanding into AI-powered product features, MCP integrations, and agentic workflows.

Employment History

Senior Front-End Developer at SmartCrowd | Dubai, United Arab Emirates 2025 - 2026
Built micro-frontend features with Module Federation in a 14-engineer monorepo, contributing to a 100+ screen web/mobile rewrite delivered in under 5 months. Developed wallet, payments, investment portfolio with interactive charts, and user profile features. Used Cursor and Claude Code across implementation, refactoring, debugging and testing to accelerate delivery. Shared AI-assisted development and agentic workflow practices with the engineering team.
Senior Fullstack Developer at MIR Solutions Group | New York, United States 2022 - 2025
Built and owned a B2B CRM serving 500+ Amazon sellers and processing $2M+ monthly through Stripe and Amazon APIs. Developed sales dashboards, order management, inventory tracking and analytics with advanced filtering. Architected the GraphQL data layer with Apollo Client for data-heavy views. Built Nest.js backend service logic and third-party integrations.
Junior/Middle Fullstack Developer at Creative Chaos | London, United Kingdom 2020 - 2022
Developed a React Native IoT application across frontend and Node.js backend, including APIs for device communication. Built reusable UI components and shared component libraries for cross-team use. Integrated Firebase A/B testing and built test coverage with Jest, Appium and Sauce Labs. Supported staging and production CI/CD automation with Fastlane.

Education

Fullstack Developer at GoIT 2020 - 2020