Senior Full-Stack Developer | Next.js, React, Node.js & SaaS

We are looking for an experienced Full-Stack Developer to help build, improve, and maintain a modern SaaS web application. The ideal developer should have strong experience with Next.js, React, TypeScript, Node.js, REST APIs, PostgreSQL/MongoDB, and production web applications. You should be comfortable working with an existing codebase as well as building new features from scratch. Responsibilities include: * Build responsive React/Next.js frontend features * Develop and integrate Node.js REST APIs * Build dashboards, admin panels, forms, tables, and workflows * Work with PostgreSQL, MongoDB, or Supabase * Implement authentication and role-based access control * Integrate third-party APIs, Stripe, and AI services * Diagnose and fix frontend/backend production issues * Improve performance, security, and code quality * Write clean, reusable, maintainable TypeScript code * Support Git, CI/CD, testing, and production deployments Experience with SaaS platforms, AI/OpenAI integrations, Tailwind CSS, NestJS, Zustand, TanStack React Query, Vercel, and cloud infrastructure is a plus. We are looking for someone who can understand business requirements, take ownership, identify problems proactively, and recommend practical solutions rather than simply completing tickets. Please include: 1. Your Full-Stack/SaaS development experience 2. 2–3 relevant projects 3. Your role and contribution to each project 4. Weekly availability 5. Hourly rate