Key ResponsibilitiesApplication DevelopmentDesign, develop, and maintain full-stack web applications using the MERN stack.Build responsive and user-friendly interfaces using React.js.Develop RESTful APIs and backend services using Node.js and Express.js.Integrate frontend applications with backend APIs and databases.Write clean, reusable, and maintainable code following best practices.Database ManagementDesign and manage MongoDB databases and collections.Optimize database queries for performance and scalability.Ensure data security, integrity, and backup procedures.Testing & DebuggingTroubleshoot and debug application issues.Perform unit, integration, and functional testing.Optimize applications for speed, performance, and scalability.Node.js Developer Responsibilities:Developing and maintaining all server-side network components.Ensuring optimal performance of the central database and responsiveness to front-end requests.Collaborating with front-end developers on the integration of elements.Designing customer-facing UI and back-end services for various business processes.Node.js Developer Requirements:Bachelor's degree in computer science, information science, or similar.At least two years' experience as a Node.js developer.Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.Knowledge of front-end technologies such as HTML5 and CSS3.Superb interpersonal, communication, and collaboration skills.Exceptional analytical and problem-solving aptitude.