Hi, I'm Rajapriya Maduraimuthu

Senior Java Backend Developer

Transitioning into AI-Powered Application Development

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About Me

I'm a Senior Java Backend Developer with 6 years of experience specializing in Java, Spring Boot, Microservices, REST APIs, AWS, Docker, and Kubernetes.

Currently, I'm passionate about transitioning into AI-powered application development, with hands-on experience in Generative AI, RAG, LangChain, OpenAI APIs, Claude APIs, Vector Databases, and n8n automation workflows.

My expertise lies in building scalable enterprise applications, optimizing backend performance, and exploring the intersection of traditional backend development with cutting-edge AI technologies.

6+

Years Experience

10+

Enterprise Modules

25%

Performance Boost

Skills & Expertise

Backend Development

  • Java 17+, Spring Boot, Spring MVC
  • Microservices Architecture
  • RESTful APIs, GraphQL
  • Hibernate, JPA, MyBatis

Cloud & DevOps

  • AWS (EC2, S3, RDS, Lambda)
  • Docker, Kubernetes
  • CI/CD (Jenkins, GitHub Actions)
  • Terraform, Ansible

AI & Automation

  • LangChain, OpenAI API, Claude API
  • RAG (Retrieval Augmented Generation)
  • Vector Databases (Pinecone, ChromaDB)
  • n8n Workflows, Automation

Databases

  • PostgreSQL, MySQL, MongoDB
  • Redis (Caching)
  • Query Optimization
  • Database Design

Tools & Methodologies

  • Git, GitHub, GitLab
  • Agile, Scrum, JIRA
  • Unit Testing (JUnit, Mockito)
  • IntelliJ IDEA, VS Code

Frontend Basics

  • HTML5, CSS3, JavaScript
  • React.js (Basic)
  • REST API Integration

Work Experience

2021 - Present

Senior Java Backend Developer

Tech Company Inc.

  • Architected and developed scalable microservices using Spring Boot
  • Reduced API response time by 40% through optimization techniques
  • Implemented CI/CD pipelines using Jenkins and Docker
  • Mentored junior developers and conducted code reviews
2019 - 2021

Java Backend Developer

Enterprise Solutions Ltd.

  • Developed RESTful APIs for enterprise applications
  • Integrated with AWS services (S3, RDS, Lambda)
  • Implemented unit and integration tests achieving 85% coverage
  • Collaborated with frontend teams to integrate APIs
2018 - 2019

Junior Java Developer

StartUp Corp.

  • Built and maintained Java web applications using Spring MVC
  • Developed database schemas and wrote optimized SQL queries
  • Participated in Agile sprints and daily standups
  • Fixed bugs and implemented feature requests

Featured Projects

AI-Powered Document Assistant

Built an intelligent document analysis system using RAG, LangChain, and OpenAI API. Enables natural language queries over large document repositories with 95% accuracy.

LangChain OpenAI Pinecone Python

Microservices E-Commerce Platform

Designed and implemented a scalable e-commerce backend with 10+ microservices. Handles 10K+ daily transactions with 99.9% uptime using Spring Boot and Kubernetes.

Spring Boot Kubernetes AWS PostgreSQL

Automation Workflow Engine

Created a custom automation platform using n8n and Python. Integrated with 15+ third-party APIs, automating 50+ business processes and saving 20+ hours weekly.

n8n Python Claude API AWS Lambda

Real-Time Analytics Dashboard

Developed a real-time data processing pipeline using Java, Apache Kafka, and Redis. Processes 100K+ events per minute with sub-second latency for business intelligence.

Java Kafka Redis Docker

Intelligent Chatbot Framework

Built a conversational AI framework using Claude API and vector databases. Implemented context-aware conversations and multi-turn dialogues for customer support automation.

Claude API ChromaDB Python FastAPI

Secure API Gateway

Implemented a centralized API gateway with authentication, rate limiting, and monitoring. Supports OAuth2, JWT tokens, and handles 1M+ requests daily.

Spring Boot Spring Security AWS API Gateway Redis

Get In Touch

Let's Connect

I'm always open to discussing new opportunities, AI projects, or collaborations in backend development and AI-powered applications.

Location

Open to Remote & Hybrid Opportunities

Send a Message