Chandan Kumar

Full-Stack Developer

Profile Score

About

Full-Stack Developer with 2 years of experience using the MERN stack, AWS deployments, real-time chat messaging, payment integrations, and scalable backend systems. Strong experience in React, Node, Tailwind, MongoDB, REST APIs and cloud observability.

Skills & Expertise (27)

JavaScript (ES6+) Intermediate

8.0/10

Years Exp

React.js Intermediate

7.5/10

Years Exp

Node.js Intermediate

7.3/10

Years Exp

AWS (EC2, ASG, ELB, Redis, CloudWatch) Intermediate

7.0/10

Years Exp

Strapi MVC Insomnia Postman NPM Git Razorpay Stripe WhatsApp Business API PM2 MySql MongoDB (Mongoose) WhatsApp Webhook Socket.IO REST APIs Express.js Framer Motion CSS3 HTML5 Tailwind REDUX C/C++ Java

Work Experience

Assistant Web Developer

QMIZE (formerly MSG24x7)

May 2024 - Present

Built full-stack MERN modules with real-time messaging via Socket.IO (100+ concurrent users). Developed WhatsApp campaign system delivering 10,000+ template messages/day. Integrated Razorpay subscription upgrades with prorated billing, reducing payment errors by 80%. Deployed workloads on AWS using ASG + ELB + Redis, improving response times by 60%.

Web Developer Intern

ABHYAZ

May 2022 - Jun 2022

Built responsive UI layouts for client websites using WordPress and HTML/CSS. Delivered first production website with optimized UX and SEO-friendly structure.