Open to opportunities

Praveen Kumar

@praveenkumar36

Full-stack MERN developer building scalable e-commerce and airline platforms with secure APIs and performance-focused engineering.

India

Message

What I'm looking for

I’m looking for challenging full-stack opportunities where I can build secure REST APIs, optimize React/Node performance at scale, own production issues, and deliver stable Agile releases.

I’m a Full Stack Developer with 3+ years of experience building scalable, high-performance MERN stack applications in E-Commerce and Airline domains. I design RESTful APIs, implement secure JWT-based authentication with RBAC, optimize MongoDB queries, and improve application performance under high traffic.

In my recent projects, I architected and delivered 30+ and 35+ production-grade REST APIs, reduced backend latency (including a 40% improvement), and helped boost booking/order success rates through defensive validation and reliable workflow logic. I also take ownership of production incidents—performing root-cause analysis, shipping permanent fixes, and supporting stable sprint releases in Agile environments.

Experience

Work history, roles, and key accomplishments

Current

Software Developer

Current

SMS Techsoft India Limited

Dec 2022 - Present (3 years 6 months)

Built and maintained MERN e-commerce and airline booking platforms, delivering 30+ and 35+ production-grade REST APIs. Reduced average API response time by 40% (e-commerce) and backend response from ~2s to under 900ms (airline), supporting 2,500–3,000+ concurrent users and resolving 20–25+ critical production issues within SLA.

Javascript (ES6)MongoDB REST APIs Role Based Access Control (RBAC)Redux toolkit AWS EC2