Full-Stack Developer for AI-Powered SaaS Application (React, Node.js, API Integration)

We are looking for an experienced Full-Stack Developer to help us build, improve, and maintain an AI-powered SaaS application. The project involves developing new features, working on existing functionality, integrating third-party APIs, and improving overall application performance. We need someone who is comfortable handling both frontend and backend development and can independently take ownership of assigned tasks. Responsibilities: Develop and enhance web application features using React.js and Next.js. Build and maintain backend functionality using Node.js and Express.js. Integrate third-party APIs, AI services, and external platforms. Work with databases such as PostgreSQL, MongoDB, or Supabase. Implement AI-powered features using OpenAI or other LLM APIs. Develop and maintain REST APIs and backend business logic. Troubleshoot bugs, optimize performance, and improve existing functionality. Support deployment and ongoing application maintenance. Required Skills: Strong experience with React.js, Next.js, Node.js, and TypeScript. Solid understanding of full-stack web application development. Experience with REST API development and third-party integrations. Familiarity with PostgreSQL, MongoDB, or Supabase. Experience with AI API integrations, preferably OpenAI. Understanding of SaaS architecture and application development. Good problem-solving and communication skills. Long-Term Collaboration: We are looking for someone interested in a long-term working relationship. There will be ongoing development tasks, new feature implementations, API integrations, and improvements as the application grows. The ideal candidate should be reliable, proactive, able to work independently, and comfortable working with deadlines while maintaining clean and maintainable code. To Apply: Please share a few relevant projects you have worked on, your experience with similar SaaS or AI-powered applications, and your availability for ongoing collaboration. We look forward to finding a reliable development partner.