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.