Full-Stack Developer Needed to Improve Existing App – React, Node.js, MongoDB & TypeScript

We are looking for an experienced Full-Stack Developer to help improve and refine an existing web application. The project is already set up, so you'll be working within an existing codebase rather than building everything from scratch. The main focus will be on implementing UI improvements, fixing frontend and backend issues, and making sure the application is clean, responsive, stable, and consistent. Tech Stack React.js TypeScript Node.js Express.js MongoDB What You'll Do Work within the existing full-stack codebase Implement frontend UI improvements and fixes Fix bugs and improve existing functionality Make backend/API changes when required Work with MongoDB and existing data/models Write clean, reusable, and maintainable code Ensure the application is responsive and consistent What We're Looking For Strong experience with React.js, Node.js, and MongoDB Good understanding of TypeScript Experience working with existing codebases Ability to quickly understand requirements and implement them accurately Strong attention to detail Ability to write clean and reusable code The task is relatively small and straightforward for an experienced full-stack developer. You'll receive access to the existing project and detailed requirements after hiring. Budget: $30 fixed price Please apply with a short description of your full-stack development experience and 1–2 relevant examples of previous work.