Available for work

Harsh
Rajvardhan
Gupta

// Java Backend Developer · Spring Boot · REST APIs

MCA student building secure, scalable backend systems with Java 21 and Spring Boot. Five years of enterprise operations experience in fintech, telecom, and e-commerce gives me a unique edge in understanding real-world business systems.

5+
Years Enterprise Ops
15+
API Endpoints Built
2
Full-Stack Projects
8.57
BCA CGPA
Technical Stack

What I Build With

Languages
Java 21 SQL JavaScript
Frameworks
Spring Boot 3.x Spring MVC Spring Security Spring Data JPA Hibernate
Databases
PostgreSQL MySQL Query Optimization Indexing
API & Testing
RESTful APIs JWT Auth Swagger/OpenAPI Postman JUnit 5 Mockito
DevOps & Tools
Git & GitHub Maven Docker (basics) Linux CLI
Concepts & Cloud
OOP Microservices DSA Multithreading Azure Fundamentals Agile
Portfolio

Projects

01 / Featured Project

Order Management System • Azure Deployed

Cloud-native backend application built with Java 21, Spring Boot, Spring Security, JWT Authentication, PostgreSQL and Docker. Successfully deployed on Microsoft Azure using Azure Container Apps, Azure Container Registry (ACR) and Azure Database for PostgreSQL.

  • Built 15+ secure REST APIs with JWT authentication and role-based access control
  • Successfully deployed to Microsoft Azure using Container Apps
  • Dockerized application with Docker Compose support
  • PostgreSQL database hosted on Azure Database for PostgreSQL
  • Interactive API documentation using Swagger/OpenAPI
  • Unit & Integration testing using JUnit 5 and Mockito
Java 21 Spring Boot Spring Security JWT PostgreSQL Docker Azure Swagger JUnit 5
02 / Backend System

Employee Payroll Management System

A secure, scalable backend for managing employee records and payroll operations with comprehensive CRUD capabilities and enterprise-grade security.

  • 10+ CRUD API endpoints handling 200+ employee records end-to-end
  • JWT authentication with Spring Security role-based access control
  • PostgreSQL integration with Hibernate/JPA for relational data mapping
  • Clean architecture principles improving scalability and API performance
  • End-to-end tested with Postman across all endpoints
Java 21 Spring Boot Spring Security PostgreSQL JWT REST APIs Hibernate
Work History

Experience

Java Programming Virtual Intern
Apr 2026 – May 2026
CodSoft
  • Hands-on Java training in OOP, Collections Framework, and application development
  • Built Java-based applications strengthening problem-solving and core programming skills
  • Practiced debugging techniques and Agile-based development workflows
Customer Operations & Order Management
Feb 2017 – Oct 2023
MoneyView · Myntra · Medlife · AT&T
  • Managed end-to-end O2C lifecycle — order processing, billing, collections — across fintech, e-commerce, and telecom domains
  • Worked with enterprise tools: CRM, ERP, Salesforce, and Oracle OMS
  • Coordinated with vendors and logistics; handled escalation resolution and payment follow-ups
  • Developed strong cross-functional communication and analytical skills across fast-paced business teams
Background

Education & Certifications

Master of Computer Applications
(MCA in Cloud Computing)
Chandigarh University
2025 – Present  ·  Bangalore, India
Bachelor of Computer Applications (BCA)
Chandigarh University
May 2022 – May 2025  ·  CGPA: 8.57
JS
Java Full Stack Development
JSpiders Bangalore · Ongoing
HR
Problem Solving & Java
HackerRank · Apr 26, 2026
IBM
Web Development Fundamentals
IBM SkillsBuild · Apr 23, 2026
Let's Talk

Open to Opportunities

I'm actively looking for backend developer roles where I can apply my Java and Spring Boot skills. My operations background gives me a strong understanding of real-world business systems — I'm not just a coder, I understand the problems behind the code.

Open to Work
Seeking Backend & Full-Stack Roles

Based in Bangalore, India. Available immediately. Open to full-time, contract, and remote positions.

Java Backend Developer Spring Boot Developer REST API Developer Full Stack (Java) Junior Software Engineer