Senior MERN Stack Developer Needed for AI SaaS Application

We're looking for an experienced MERN Stack Developer to help resolve issues and implement improvements in an existing SaaS application. *Requirements:* * Strong experience with MongoDB, Express.js, React.js, and Node.js * Experience working on production SaaS applications * Ability to quickly identify and fix frontend and backend issues * Strong debugging and problem-solving skills * Experience with REST APIs, authentication, and database optimization * Clean, maintainable coding practices * Good communication and ability to work independently If you have experience maintaining and improving existing MERN applications rather than building from scratch, we'd love to hear from you. Please share your relevant experience, portfolio, and availability.