Avnish Kumar

Backend Engineer

Pune, Maharashtra 411027 0+ yrs exp 86 · Excellent

About

Backend Engineer with hands-on experience building and deploying full-stack, production-style applications using Java, Spring Boot, REST APIs, and MySQL. Strong foundation in Data Structures, OOP, and System Design, with applied experience in Agentic AI and RAG-based systems using LangChain and LangGraph. Comfortable working across the stack from database design to cloud deployment.

Skills & Expertise (18)

Python Intermediate

5.5/10

Years Exp

Spring Boot Intermediate

5.5/10

Years Exp

REST APIs Intermediate

5.5/10

Years Exp

React.js Intermediate

5.5/10

Years Exp

Java Intermediate

5.5/10

Years Exp

Postman Intermediate

5.5/10

Years Exp

Git Intermediate

5.5/10

Years Exp

MySql Intermediate

5.5/10

Years Exp

Data Structures & Algorithms Intermediate

5.5/10

Years Exp

OOP Intermediate

5.5/10

Years Exp

Ollama Beginner

2.5/10

ChromaDB Beginner

2.5/10

System Design Beginner

2.5/10

AWS Amplify Beginner

2.5/10

LangGraph Beginner

2.5/10

LangChain Beginner

2.5/10

LLMs Beginner

2.5/10

agentic AI Beginner

2.5/10

Work Experience

Web Developer Intern

Dnotes

Jan 2026 - Apr 2026

Built and shipped 2+ web application features end-to-end, integrating React.js frontend components with Spring Boot REST APIs and MySQL-backed services. Collaborated closely with a team of 2 developers, participating in daily standups and 2+ code reviews to test, debug, and enhance software functionality. Identified and resolved 2+ integration bugs between frontend and backend layers, improving feature reliability ahead of release.