Design, develop, and deploy modern web applications using React.js (front-end) and Node.js (back-end).Build and consume RESTful APIs to support application functionality.Develop robust server-side logic, authentication systems, and data processing workflows using Node.js.Design and manage databases such as MySQL, ensuring optimal performance and data integrity.Integrate third-party APIs and services for payments, notifications, and analytics.Ensure best practices in application security, performance optimization, and scalability.Conduct code reviews, unit testing, and performance tuning.Troubleshoot, debug, and resolve issues across the full stack.Collaborate closely with PMs, QA and DevOps teams to deliver on-time solutions.