Java Backend Developer

Piyush Pandey

I architect scalable microservices and high-performance APIs.
Spring Boot. PostgreSQL. Clean systems.

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About

Java Backend Developer experienced in building scalable microservices with Spring Boot, RESTful APIs, and PostgreSQL. Skilled in Spring Security, JPA/Hibernate, and deploying containerized services using Docker with basic AWS knowledge.

Passionate about backend architecture, testing, and API performance optimization. I've improved API response times by 25%, enhanced platform performance by over 34%, and built secure authentication systems from the ground up.

B.Tech in Computer Science from ABES Engineering College.

Technical Skills

Languages

  • Java
  • C
  • C++
  • Dart
  • JavaScript

Frameworks & Libraries

  • Spring Boot
  • Spring Security
  • Spring AI
  • Hibernate
  • JPA
  • Node.js
  • React
  • JUnit
  • Mockito

Databases

  • PostgreSQL
  • MySQL
  • MongoDB
  • Firebase

Cloud & DevOps

  • Docker
  • AWS EC2
  • AWS S3
  • CodePipeline
  • ECR
  • GitHub Actions
  • Postman
  • Swagger UI

Tools

  • IntelliJ IDEA
  • VS Code
  • Git
  • Maven

Experience

Backend Developer Intern

Jan 2025 – Aug 2025

ValenceWare · Remote, Part-Time

  • Developed secure Spring Boot REST APIs with JWT authentication and Hibernate ORM
  • Enhanced backend documentation via Swagger UI, reducing onboarding time by 40%
  • Collaborated with frontend team to synchronize RESTful endpoints across microservices

Software Developer Intern

Mar 2024 – Jun 2024

TailorApps · Remote, Part-Time

  • Enhanced e-learning portal performance by 34.56%, improving responsiveness for 500+ active users
  • Developed reusable Flutter UI components and optimized API communication with Spring Boot backend
  • Improved API response efficiency by 25% through caching and validation strategies

Projects

Smart Email Assistant Web App

2025

Problem

Email responses require context awareness and appropriate tone matching for effective communication.

Solution

Built an AI-driven email assistant producing context-aware replies via Spring AI and Gemini API. Developed a React.js frontend for tone-based interaction and real-time suggestions.

Outcome

Secured backend endpoints with Spring Security + JWT and containerized services using Docker.

Java Spring Boot Spring AI Gemini API React.js Docker

Real-Time Chat Application

2025

Problem

Real-time messaging requires low-latency communication with reliable message delivery.

Solution

Developed real-time messaging backend with WebSockets. Implemented Spring Boot microservices with PostgreSQL for secure and efficient user management.

Outcome

Achieved sub-100ms message latency for real-time communication.

Java Spring Boot WebSockets Socket.IO PostgreSQL

Clinic Management System

2025

Problem

Multi-doctor scheduling requires concurrency-safe architecture to prevent booking conflicts.

Solution

Led backend development of RESTful multi-doctor scheduling with concurrency-safe architecture. Improved endpoint documentation and testing through Swagger UI and Postman.

Outcome

Delivered a reliable scheduling system with comprehensive API documentation.

Java Spring Boot Swagger UI PostgreSQL

Quiz Application

2025

Problem

Quiz platforms need secure APIs and scalable service architecture for user management.

Solution

Designed microservices-based quiz platform with secure REST APIs and JWT authentication. Used Eureka Service Discovery and Spring Data JPA for persistence and service registration.

Outcome

Built a production-ready microservices architecture with service discovery.

Java Spring Boot PostgreSQL JWT Eureka

Achievements

  • Solved 500+ coding problems on LeetCode and GeeksforGeeks focusing on DSA and algorithmic design
  • Built and deployed 15+ backend projects using Spring Boot, microservices, and AI integration
  • Recognized for backend performance optimization and API scalability improvements during internships

Contact

Open to backend engineering opportunities. Let's build something that scales.

Email piyushpandey1510@outlook.com Phone +91 8004047765 GitHub github.com LinkedIn linkedin.com Resume Download PDF