Oleksandr G.

For the past 5+ years, I’ve built high-performing web apps — from startups to enterprise systems with 10,000+ active users — always focused on clean architecture, scalability, and user experience.

I specialize in modern front-end development and Node.js backends, delivering reliable, production-ready solutions that perform. Recently, I’ve also worked on AI-driven products, integrating LLM APIs and custom model endpoints into real-world applications.

💎 Why Work With Me

5+ years of hands-on experience (React, Vue, Next, Nuxt, Node.js, TypeScript)

3 years of proven delivery on Upwork (large-scale and long-term projects)

20+ completed projects with high client satisfaction

Strong focus on maintainable, well-documented code

Clear, proactive communication — no guesswork

🧠 Tech Stack

Frontend:
React.js, Next.js, Vue.js, Nuxt.js, TypeScript, React Query, Redux, GraphQL, Three.js, Tailwind, Material UI, Storybook

Backend:
Node.js, TypeScript, Express, Java, Spring Boot, Go, REST & GraphQL APIs, Firebase, Stripe Integrations, WebSockets

Other Tools & Platforms:
Docker, AWS, Vercel, CI/CD, GitHub Actions, Figma, Jira, Postman

Let’s build something that not only works, but stands out.