π Building scalable, secure & production-ready web applications
π Full Stack Developer with 2+ years of experience building scalable, production-ready web applications using Angular, React, Node.js, Express.js, MongoDB, and MySQL.
π³ Skilled in payment gateway integration, API development, and delivering end-to-end project solutions.
π¨βπ» Experienced in leading project execution, mentoring junior developers, and collaborating with cross-functional teams to deliver high-quality, efficient, and maintainable products.
π« Email: kumar.nit1021@gmail.com
π Portfolio: https://CodingDemon1.github.io/
π Resume: View Resume
π 2023 β Present
- β Built scalable dashboards using Angular & React serving 10K+ users.
- β Developed secure REST APIs with Node.js & Express.
- β Integrated multiple payment gateways, improving transaction success rate by 30%.
- β Optimized MySQL queries and implemented Redis caching for performance gains.
- β Led code reviews, mentored junior developers, and maintained CI/CD workflows.
π 2022 β 2023
- β Designed modular backend architecture using Node.js, Sequelize ORM, MySQL.
- β Built role-based authentication with JWT and RBAC.
- β Implemented logging, monitoring, and API security standards.
- β Collaborated with UI teams to deliver production-ready features.
βοΈ Frontend: Angular, React, JavaScript, HTML5, CSS3, Bootstrap
βοΈ Backend: Node.js, Express.js, REST APIs, JWT, WebSockets
βοΈ Database: MySQL, MongoDB, Redis
βοΈ ORM & Tools: Sequelize, GitHub, Postman
βοΈ DevOps: CI/CD, Linux, Nginx (basic)
βοΈ Architecture: Microservices, MVC








