Full-Stack Engineer · Upwork Top-Rated Freelancer · 7+ Years of Professional Experience
I am a full-stack engineer with over seven years of professional experience building modern web applications for clients around the world. My journey into software development began with a curiosity about how websites work, which quickly evolved into a passion for crafting digital experiences that are fast, accessible, and delightful to use.
Over the years, I have worked with startups launching their first products, established businesses modernizing legacy systems, and agencies delivering complex platforms under tight deadlines. Each project has taught me something new and refined my approach to architecture, code quality, and client collaboration. I specialize in the JavaScript ecosystem — React and Next.js on the frontend, Node.js on the backend, and PostgreSQL or MongoDB for data — but I am always exploring new tools and patterns that can deliver better results for my clients.
What sets me apart is my commitment to clear communication and technical excellence. I believe that great software is built through collaboration, transparency, and a deep understanding of the problem being solved. When you work with me, you get a dedicated engineer who treats your project with the same care and attention as if it were his own.
Beyond coding, I enjoy contributing to open source projects, writing technical articles, and staying active in the developer community on platforms like Threads and LinkedIn. I am based in Ukraine and work with clients across all time zones, delivering projects on time and on budget.
Full-Stack Engineer · Available on Upwork for freelance projects worldwide.
Projects Completed
Years Experience
Happy Clients
Upwork Rating
Job Success
Technologies
Core technologies and tools I use daily to deliver production-grade full-stack solutions.
React 18/19, Next.js 14/15, TypeScript, Tailwind CSS, Framer Motion, Redux Toolkit, Zustand, TanStack Query, React Hook Form, Radix UI, Storybook.
Node.js, Express, NestJS, GraphQL (Apollo), RESTful APIs, WebSockets (Socket.io), JWT & OAuth 2.0 authentication, Stripe/PayPal integration, Swagger documentation.
PostgreSQL, MySQL, MongoDB, Redis, Prisma ORM, TypeORM, Mongoose, Knex.js, database migration strategies, query optimization, connection pooling, full-text search.
AWS (EC2, S3, RDS, CloudFront), Google Cloud Platform, Firebase Hosting, Vercel, Docker, GitHub Actions CI/CD, Terraform, Nginx, SSL/TLS configuration.
Vitest, Jest, React Testing Library, Playwright, Cypress, ESLint, Prettier, Husky, lint-staged, bundle analysis, Lighthouse audits, accessibility testing with axe-core.
Git/GitHub, pnpm/npm/yarn, Turborepo, Webpack/Vite, Figma to code, Jira/Trello/Notion, Slack/Discord communication, agile methodology, time tracking with Toggl.
Key milestones in my career as a full-stack engineer.
2020 — Present · Remote
Top-rated freelancer delivering full-stack web applications to clients worldwide. Completed 40+ projects spanning React SPAs, Next.js platforms, Node.js APIs, and cloud deployments. Maintained 5.0 rating and 100% job success score.
2018 — 2020 · Kyiv, Ukraine
Built production web applications for international clients using React, Node.js, and PostgreSQL. Led frontend architecture decisions, implemented CI/CD pipelines, and mentored junior developers.
2016 — 2018 · Kyiv, Ukraine
Started career building websites and web applications using JavaScript, PHP, and MySQL. Quickly progressed to modern JavaScript frameworks and transitioned to full-stack development with Node.js and React.