Full Stack Node.js React Developer for web application fixes AWS OpenAI API TypeScript

We are seeking a Senior Full Stack JavaScript Developer with expertise in React.js, Next.js, and Node.js to join an ongoing AI-driven web application project. This role focuses on enhancing, optimizing, and scaling an existing platform rather than building a new product from the ground up. You will work closely with the development team to improve application stability, performance, and user experience while contributing to new feature development. Key Responsibilities: • Develop and maintain frontend functionality using React.js, Next.js, TypeScript, and modern web development practices. • Build and enhance backend services and APIs using Node.js. • Troubleshoot, debug, and resolve issues across both frontend and backend systems. • Improve application performance, responsiveness, and overall user experience. • Implement new features and functionality based on product requirements. • Integrate and optimize AI-powered workflows and OpenAI-based functionality. • Collaborate with designers, product stakeholders, and engineers to deliver high-quality solutions. Requirements: • Strong commercial experience with React.js, Next.js, Node.js, and TypeScript. • Experience building and maintaining full stack web applications. • Solid understanding of REST APIs, state management, and modern frontend architecture. • Strong debugging, troubleshooting, and problem-solving skills.• Experience working with AI-powered products or integrating OpenAI APIs. • Ability to work independently and contribute to an existing codebase. Nice to Have: • Experience with PostgreSQL, Drizzle ORM, or similar database technologies. • Familiarity with cloud platforms and deployment workflows. • Experience working in fast-paced startup or product environments.