Malla Vinod

Full Stack MERN Developer with 2+ years of experience at HCL Technologies designing scalable web applications using React.js, Node.js, Express.js, and MongoDB. Built and deployed a production matchmaking platform on AWS EC2 with real-time WebSocket chat, Razorpay payment integration, and JWT authentication serving live users at 99.5% uptime. Expertise in REST API design, Redux state management, Tailwind CSS, and automated testing (Jest, React Testing Library) with 85% code coverage across 12+ Agile sprint cycles.

Software Engineer — Full Stack MERN Developer at HCL Technologies (2023-11 – Present)

Full Stack MERN Developer designing and delivering scalable web applications with expertise in REST API design, Redux state management, and automated testing.

• Designed and delivered 10+ scalable full-stack features using React.js and Node.js/Express.js, integrating across 5+ application modules for a growing user base.
• Built 15+ secure RESTful APIs with middleware for authentication, validation, and error handling, achieving 99% API uptime in production.
• Implemented JWT-based authentication with role-based access control (RBAC), securing access for 500+ users across 3 role types.
• Developed 20+ reusable UI components with React.js and Tailwind CSS, improving code maintainability by 30% and reducing frontend development time.
• Optimized MongoDB queries and indexing to reduce API response times by 25%, improving application performance and user experience.
• Resolved 50+ production issues across frontend and backend layers, cutting user-facing defects by 40% over 6 months.
• Wrote 100+ unit and integration tests using Jest and React Testing Library, achieving 85% code coverage and reducing regression bugs by 35%.
• Contributed to Agile sprint planning and code reviews across 12+ sprint cycles, maintaining 95% on-time feature delivery.

B.Tech in Electrical and Electronics Engineering – Vignan Institute of Information and Technology (2023)