Fix Bugs and Improve Existing Full Stack Web Application

Looking for a Full Stack Developer to fix a few issues in an existing web application. The project involves debugging, improving existing functionality, and making sure everything works as expected on both the frontend and backend. Required Skills: React.js / Next.js Node.js / Express.js JavaScript / TypeScript REST APIs Database (MongoDB, PostgreSQL, or similar) This is a small fixed-price project with the possibility of more work if everything goes well. Looking for someone who can communicate well, understand the existing codebase quickly, and deliver quality fixes.