Sumit Kumar

I'm a full-stack developer specializing in React, Next.js, and React Native for web and mobile apps. My expertise extends to backend development with Node.js and Python, as well as LLM and agentic AI technologies to create intelligent, user-focused solutions.

Frontend Developer

Building responsive and intuitive user interfaces with React, Next.js, and modern CSS frameworks.

Backend Developer

Creating robust server-side applications with Node.js, Nest.js, Python, and Java Spring Boot.

LLM Engineer

Developing and fine-tuning large language models for specialized applications and use cases.

Agentic AI Engineer

Building autonomous AI systems using LangGraph, CrewAI, and OpenAI SDK frameworks.