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.

View Projects Get in Touch
5+
Years Enterprise Ops
15+
API Endpoints Built
2
Full-Stack Projects
8.57
BCA CGPA
📧 Email 🔗 LinkedIn ⌨ GitHub
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 / Backend System

Order Management System

A production-grade backend API system for managing customer orders, inventory, and order status with full security and role-based access control.

  • 15+ RESTful API endpoints with JWT-based auth and ADMIN/USER role-based access
  • Optimized PostgreSQL schemas managing 500+ records via Spring Data JPA
  • Global exception handling, input validation, and strict layered architecture
  • Full API documentation via Postman for clear frontend/backend contracts
  • Git feature branching and structured version control throughout lifecycle
Java 21 Spring Boot 3.x Spring Security Hibernate PostgreSQL JWT JUnit Mockito
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.

✉
harsh_rajvardhangupta@hotmail.com
☏
+91 9609 322 693
in
linkedin.com/in/harshraj
gh
github.com/meharshrajvardhan
🌐
harshstackdev.me
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