Full-stack Web Development with React, Next.js & Node.js
Service Description
I will design and develop modern, responsive, and high-performance web applications tailored to your needs. With 3+ years of experience in React, Next.js, TypeScript, and Node.js, I can handle both frontend and backend tasks — from interactive UIs to scalable APIs. My expertise includes: Frontend: React, Next.js, Redux Toolkit, React Query, Tailwind, Material-UI Backend: Node.js, Nest.js, Express.js, MongoDB Deployment: Vercel, Heroku, Railway, Nginx Integrations: OAuth, JWT, payments, analytics What you will get: ✅ A production-ready web application with clean and maintainable code ✅ Fully responsive and optimized UI/UX ✅ Secure authentication and API integration ✅ Deployment and hosting setup (Vercel, Railway, Heroku, etc.) ✅ Ongoing support and clear documentation I have delivered projects such as cashback platforms, multilingual SaaS portals, e-commerce websites, and custom applications with dashboards, analytics, and admin panels. I focus on building solutions that are scalable, secure, and user-friendly.
Developer
About
💻 About Me I’m a Frontend / Full-stack Developer with 3+ years of experience building web applications using React, Next.js, and Node.js. I specialize in creating user-friendly and high-performance interfaces, optimizing applications, and designing scalable architecture. My portfolio includes projects ranging from e-commerce and educational platforms to a cashback startup with cryptocurrency integration. I’m confident working on both frontend and backend: integrations, API development, authentication, analytics, and admin dashboards. 🔧 Key Skills: Frontend: React, Next.js, TypeScript, Redux Toolkit, React Query, Tailwind, Material-UI Backend: Node.js, Nest.js, Express, MongoDB Deployment & Infrastructure: Vercel, Heroku, Railway, Nginx Integrations: OAuth, JWT, payment systems, analytics 📈 Projects I’ve contributed to include: a cashback platform for offline businesses with personal dashboards and analytics, an e-commerce website for an international company, a multilingual educational portal that increased user engagement by 20%, an online cinema app with recommendations and favorites system. ⚡ I’m always open to new challenges, passionate about building products that make an impact, and delivering production-ready code. 🌍 Experienced in working with international teams, fluent in Ukrainian, Russian, and Slovak, English — B1. 📂 Portfolio: denys-dudnyk.vercel.app 🐙 GitHub: github.com/Denys-Dudnyk
Top Skills
Service Details
$1000.00
fixed
10 days
Frontend