
Hi, I'm
Sanjay Kumar
Full Stack Developer
Building scalable web & mobile applications with Node.js, React, Next.js & AI integration. Passionate about clean architecture and real-time systems.
About Me
Full Stack Developer with 3+ years of experience building scalable web and mobile applications. I specialize in technologies like Node.js, React.js, Next.js, NestJS, Express.js, and MongoDB.
I've worked on diverse projects including social platforms, e-commerce systems, streaming apps, and AI-integrated applications. Experienced in building REST APIs, real-time systems (Socket.io, WebRTC), AI-powered features, and cloud deployments.
Based in Noida Sector 63, India, I focus on creating maintainable, efficient codebases and delivering exceptional user experiences.
Technical Skills
Backend
Frontend
Database
DevOps & Cloud
Other
Experience
Full Stack Developer
Oct 2024 – PresentInfoicon Technologies
- ▹Developed scalable REST APIs using Node.js and NestJS
- ▹Built AI-powered backend workflows integrating OpenAI and Gemini models
- ▹Implemented chatbots, recommendation systems, and image analysis
- ▹Deployed services using Docker, Nginx, and cloud platforms
Node.js Developer
Mar 2023 – Oct 2024Metaversity Technologies
- ▹Designed modular and decoupled application architecture for scalable web platforms
- ▹Developed backend services enabling seamless integration between multiple modules
Node.js Developer
Jan 2022 – Feb 2023Kickr Technologies
- ▹Designed robust database schemas and scalable backend APIs for high-volume applications
- ▹Followed best practices for maintainable and efficient codebases
Projects
Maggibook
Visit →Gaming platform with INR currency support, real-time conversion, and integrated chat system.
Meme Chat
Social video platform with one-to-one and group video calls using WebRTC and Socket.io. Includes follow/unfollow, chat messaging, and user blocking.
Apna Kisan App
Visit →E-commerce mobile app with product catalog, WhatsApp notifications, wishlist system, and secure authentication.
Hunnu Health App
AI-powered health tracking platform integrating Google Fit and Garmin. AI report analysis using OCR and vision models via Python FastAPI microservices.
Education
B.Tech – Computer Science
AKTU
2022 – 2024
Diploma – Computer Science
CSM Government Polytechnic Ambedkar Nagar
2017 – 2020
Intermediate
M.G.S.I.C Dahlaupur, Ambedkar Nagar
2016 – 2017
Get In Touch
I'm open to new opportunities and collaborations. Feel free to reach out!
Noida Sector 63, India