Headline

MERN Full Stack Developer | React.js • Node.js • MongoDB | Building Scalable & High-Performance Web Applications

About

👋 Full Stack Developer (MERN) | Building Scalable Web Applications I’m a Full Stack Developer with 3+ years of hands-on experience in building and optimizing end-to-end web applications using the MERN stack (MongoDB, Express.js, React.js, Node.js). 💻 I specialize in: • Developing scalable and high-performance web applications • Designing and integrating RESTful APIs • Building responsive and intuitive user interfaces • Optimizing applications for speed and efficiency 🚀 In my current role, I work across the full development lifecycle — from designing frontend experiences to building backend services and managing databases. I focus on writing clean, maintainable code and delivering reliable production-ready solutions. 🧠 My background in engineering strengthens my problem-solving ability, attention to detail, and structured approach to building systems. 🌟 I’m passionate about building impactful products, solving real-world problems, and continuously improving my skills. Let’s connect and build something meaningful!

Location

Trivandrum

AI stack

cursor

github copilot

openai

replit

Work experience

Full Stack Engineer at Sensitive Technologies, Jan 2024 - Present · 2 yrs 5 mos, • Architected and maintained 5+ enterprise-level web applications using React.js, Node.js, and MongoDB, achieving 99.9% system uptime. • Designed and developed responsive, accessible UI components for EdTech, Banking, and Job Portal platforms, ensuring cross-browser compatibility. • Optimized MongoDB query performance by 30% and improved frontend load time through code splitting and lazy loading. • Engineered RBAC system and JWT authentication to enforce role-based access across enterprise dashboards. • Performed debugging, root cause analysis, and defect fixing for issues raised by clients and the integration team. • Developed and executed software verification plans and test cases ensuring error-free production deployments. • Deployed applications on AWS EC2 using Nginx and PM2; maintained CI/CD pipelines for continuous delivery. • Prepared weekly/monthly status reports and maintained project documentation and knowledge transfer records for clients. • Collaborated with cross-functional teams across design, backend, and QA to deliver solutions on schedule. Key Projects Delivered: • EdTech Platform – LMS with dashboards, course management, and payment integration. • Request Management System – PO tracking with RBAC and real-time notifications. • Agreement Generator – Dynamic document system with e-signature capability. • Banking Application – Onboarding, transaction, and reporting modules. • Job Portal – Search filters, recruiter dashboard, and admin panel.

Back End Developer (Worked as Freelancer) at Sensitive Technologies, Jan 2023 - Dec 2023 · 1 yr, • Developed and maintained secure RESTful APIs using Node.js and Express.js. • Designed MongoDB schemas and optimized queries for high-traffic endpoints. • Implemented JWT-based authentication and session management. • Debugged production issues, improved system stability, and documented resolutions.

Full Stack Developer at Brototype, Jun 2022 - Jan 2024 · 1 yr 8 mos, Thiruvananthapuram, Kerala, India

Education

Bachelor of Technology - BTech, Electrical and Electronics Engineering, College of Engineering Vadakara - India

Bachelor of Technology, Electrical and Electronics Engineering, APJ Abdul Kalam Technological University

Public links

github: https://github.com/aswinrajr