Fullstack Node.js Developer for Web App - Expert Needed

I'm looking for a Node.js developer to help improve and maintain an existing web application and its admin dashboard. The work includes fixing bugs, resolving backend issues, improving existing functionality, and developing new features for both the web app and the dashboard. I'm looking for someone who can investigate problems, identify the root cause, and implement reliable, well-tested solutions. Tech Stack: Node.js React Prisma ORM MySQL This project is for an existing application, so experience working with established codebases is important. If everything goes well, there will likely be ongoing work involving new dashboard functionality, API improvements, and general backend maintenance. Please share your experience with Node.js, backend API development, and similar troubleshooting or feature implementation projects.