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MERN Stack Developer with 4+ years in React.js, Node.js & MongoDB
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Results-driven MERN Stack Developer with 4+ years of hands-on experience designing, developing, and deploying full-stack web applications across Banking and E-Commerce domains. Proficient in MongoDB, Express.js, React.js, and Node.js, with a strong foundation in RESTful API development, microservices architecture, and Agile methodologies. Demonstrated ability to deliver scalable, high-performance solutions while ensuring code quality and cross-functional team collaboration.
N.S.N College of Engineering & Technology, Karur | Anna University
B.E. · Electrical and Electronics Engineering
August 1, 2018 – June 30, 2022
Sri Vinayaga Higher Secondary School, Namakkal
HSC
N/A – May 31, 2017
The Spectrum Academy Matriculation School, Namakkal
SSLC
N/A – May 31, 2015
Luminaire Technologies
MERN Stack Developer
December 1, 2023 – Present
Bengaluru, Karnataka, India
Microline Information Systems Pvt Ltd
MERN Stack Developer
July 1, 2022 – August 31, 2023
Bengaluru, Karnataka, India
Shivin Technologies
MERN Stack Developer Intern
January 1, 2022 – June 30, 2022
Chennai, Tamil Nadu, India
Digital Banking Platform
December 1, 2023 – Present
Designed and developed a secure online banking web application enabling real-time fund transfers, account management, and transaction history using React.js and Node.js, reducing manual processing time by 40%. Architected RESTful APIs with Express.js and integrated JWT-based authentication and role-based access control (RBAC) to ensure secure access for customers, agents, and admins. Optimized MongoDB queries and implemented Redis caching for high-frequency data lookups, improving API response time by 35% and reducing server load. Integrated third-party payment gateways and banking APIs (NEFT/IMPS/UPI modules) with robust error handling and transaction rollback mechanisms. Collaborated with cross-functional teams including QA, DevOps, and Business Analysts in Agile sprints to deliver features on time with zero critical production bugs. Wrote unit and integration tests using Jest and Mocha, achieving 85%+ code coverage, and participated in peer code reviews to maintain high code quality standards.
E-Commerce Marketplace Platform
July 1, 2022 – August 1, 2023
Built a full-stack multi-vendor e-commerce platform supporting product listing, cart management, order tracking, and payment processing, handling 10,000+ concurrent users. Implemented dynamic product filtering, search functionality with MongoDB Atlas Search, and a recommendation engine, increasing user engagement by 28%. Developed a real-time notification system using WebSockets (Socket.io) for order status updates, cart abandonment alerts, and promotional notifications. Designed and maintained RESTful microservices for user management, inventory, payment, and order fulfillment with Docker containerization for consistent deployment. Integrated AWS S3 for scalable image storage and CloudFront CDN for optimized media delivery, reducing page load time by 45%. Led the frontend migration from class-based components to functional components with React Hooks, improving codebase maintainability and reducing bundle size by 20%.
Cultural Fit Analysis
The candidate's experience across banking and e-commerce domains demonstrates adaptability and a broad understanding of different business requirements. Their involvement in Agile teams and focus on delivering features on time with quality indicates a team-oriented and results-driven mindset, which generally aligns well with dynamic tech cultures. The breadth of technical skills and tools used suggests a willingness to learn and adapt.
Soft Skills & Operational Fit
The candidate's resume indicates strong collaboration skills through participation in cross-functional teams and Agile sprints. Their experience in leading frontend migration and optimizing performance suggests a proactive and problem-solving attitude. The emphasis on code quality, testing, and peer reviews aligns with best operational practices.