Full-stack next.js react developer

We’re building an educational PWA application that helps users take interactive courses, complete assignments, track their progress, and continue learning across devices. The product is actively being developed, and we’re looking for a Full-Stack Developer who can work across both the user-facing application and backend services. What You’ll Do Develop new features using React + TypeScript Build and maintain backend services with Node.js Design and integrate REST APIs Work with authentication, user profiles, and role-based access Develop course, lesson, assignment, and learning progress functionality Implement PWA features such as app installation, caching, offline scenarios, and push notifications Work with the database and optimize queries Fix bugs and improve application performance Write clean, testable, and reusable code Participate in code reviews and architectural discussions Tech Stack Frontend: React, TypeScript, Vite, React Router, TanStack Query, Tailwind CSS Backend: Node.js, NestJS or Express What We’re Looking For 3+ years of commercial web development experience Strong JavaScript / TypeScript skills Solid experience with React and modern frontend architecture Commercial experience with Node.js Good understanding of SQL and experience with PostgreSQL or another relational database Understanding of client-server architecture, REST APIs, and authentication Experience with Git Ability to independently analyze requirements and propose technical solutions Strong attention to responsive design, usability, and performance Nice to Have Experience with EdTech products, PWAs, push notifications, offline-first applications, payment integrations, AI APIs, or analytics systems. About the Product The application is expected to support approximately 10,000+ registered users and 1,000–2,000 DAU in the first stage. The platform will include 20+ educational modules, interactive assignments, progress tracking, achievements, and personalized recommendations. We’re looking for a long-term collaboration. How to Apply Please briefly describe your experience with React, TypeScript, and Node.js and share 2–3 projects where you personally worked on frontend and/or backend development. We’d also like to know: * What is the most complex full-stack feature you’ve implemented? * Have you worked with PWA applications? * How do you usually organize communication between frontend and backend? * How many hours per week are you available?