Java Full Stack Developer | Spring Boot | Microservices

Hi, I'm Premkumar G

Results-driven Java Full Stack Developer with 2+ years of experience building highly available microservices and robust enterprise applications. Demonstrated success in improving API performance by 40% and deploying scalable solutions.

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Premkumar G Profile

Professional Summary

Dedicated Full Stack Developer specializing in Java, Spring Boot, and Microservices architecture. With over 2 years of professional experience, I have a proven track record of designing, developing, and optimizing high-performance applications.

My recent accomplishments include leading migration initiatives to modern microservices, resulting in a 40% improvement in API response times. I am adept at working with messaging systems like Kafka, implementing secure authentication with Keycloak, and deploying containerized applications.

Having solved 100+ problems on LeetCode and GeeksforGeeks, I've sharpened my algorithmic problem-solving skills to build efficient, scalable solutions that meet complex business requirements.

  • Location: Coimbatore, India
  • Education: Bachelor of Computer Applications (BCA), Hindusthan College (Distinction)
  • Experience: 2+ Years at Techfinite Systems
verified Azure AI Business Solution Architect
verified Azure AI Engineer Associate
verified Power BI Data Analyst Associate

Technical Expertise

Technical Rigor & Versatility

code

Languages

Java 17/21 TypeScript Python
web

Frontend

Angular React.js Bootstrap Tailwind
database

Backend

Spring Boot Spring Cloud Node.js Hibernate
hub

Data & Messaging

MySQL MongoDB PostgreSQL Apache Kafka
security

IAM & Security

OAuth2 JWT Keycloak Spring Security
cloud_done

Cloud & DevOps

Docker Kubernetes Azure CI/CD

Experience

Professional Journey

May 2025 – Present

Assistant System Engineer

Techfinite Systems · Coimbatore

  • Migration Modernization Program: Led the migration of legacy monolith applications to scalable microservices architecture.
  • ClaimGenie (RCM): Developed backend services for revenue cycle management, optimizing data processing workflows.
  • E2D Helpdesk: Designed and implemented robust communication flows using Microservices and Apache Kafka.
  • Achieved a 40% improvement in API response times through optimized database querying and caching strategies.
May 2024 – May 2025

Assistant System Engineer Trainee

Techfinite Systems · Coimbatore

  • APTI Master: Contributed to the development of the APTI Master application, focusing on backend integration and RESTful API design.
  • Collaborated with cross-functional teams to deliver scalable enterprise solutions using Java and Spring Boot.
  • Gained hands-on experience in containerization and CI/CD pipeline deployments.

Featured Projects

Technical solutions for complex business needs.

AI Agent

SQL Agent with Multi-Agent Orchestration

Natural-language to SQL conversion using n8n agents with planner → executor → explainer chain. Safe execution via DB nodes with read-only access and response traces.

#n8n #AI Agents #SQL #NLP
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Full Stack

EventX — Full-Stack Web App

Comprehensive event management platform built with React.js, Spring Boot, and MySQL. Features online code compiler and streamlined workflows for events and admin tasks.

#React #Spring Boot #Microservices #REST API
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premkumarg142@gmail.com

$ cat contact_info.txt

Email: premkumarg142@gmail.com

Phone: +91 6379079511

Location: Coimbatore, Tamil Nadu, India

$ echo "Let's Build Something Great!"

I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision.