Summary
Overview
Work History
Education
Skills
Certification
Disclaimer
Timeline
Generic

Hemant Vikram Shelar

Pune

Summary

Experienced Java/J2EE Developer with 3.10 years of expertise in designing, developing, and deploying enterprise-level applications across fintech and gaming domains. Proficient in Spring Boot, Hibernate, RESTful/SOAP web services, and Angular. Proven track record of delivering high-performance payment processing systems and scalable microservices architectures with measurable business impact.

Overview

4
4
years of professional experience
1
1
Certification

Work History

Java/J2EE Developer

Mphatek Systems
06.2025 - 03.2026
  • Developed and maintained payment gateway APIs using Spring Boot and RESTful web services with 99.8% uptime
  • Implemented secure payment processing modules integrating webhook notifications from multiple payment providers (Telr, PayBy, CCAvenue) using industry-standard encryption and PCI-DSS compliance protocols
  • Designed and developed microservices architecture for transaction management, merchant services, and payment reconciliation using Spring Boot and Hibernate JPA
  • Built real-time payment notification system using webhooks and message queues (RabbitMQ), reducing transaction status latency by 60%
  • Implemented webhook handlers for Telr, PayBy, and CCAvenue payment gateways to process payment callbacks, transaction updates, and settlement notifications
  • Implemented multi-currency support and currency conversion services with real-time exchange rate integration
  • Developed merchant onboarding portal using Angular 14, enabling self-service registration and reducing onboarding time by 45%
  • Created comprehensive payment analytics dashboard with real-time transaction monitoring, fraud detection alerts, and settlement reports
  • Optimized database queries and implemented caching strategies using Redis, improving API response time by 40%
  • Implemented automated payment reconciliation workflows, reducing manual intervention by 70% and improving accuracy to 99.5%
  • Conducted code reviews, mentored junior developers, and established coding standards for the fintech team
  • Omnispay is a comprehensive payment processing platform that facilitates secure digital transactions, multi-currency payments, merchant onboarding, and real-time payment reconciliation for fintech clients across multiple channels.
  • Technologies Used: Spring Boot, Spring MVC, Hibernate JPA, RESTful APIs, Webhooks (Telr, PayBy, CCAvenue), Angular 14, MySQL, Redis, RabbitMQ, JUnit, Mockito, Maven, Git, Docker, Jenkins, Swagger, Postman

Java/J2EE Developer

Zensar Technologies
01.2022 - 12.2024
  • Designed, developed, and maintained Java applications using Spring Boot and Spring MVC architecture
  • Developed front-end UI using Angular for user registration, login, password update, session management, and user profile features
  • Built RESTful web services for authentication, authorization, and user account management APIs
  • Implemented microservices architecture, enhancing system scalability and maintainability
  • Developed service layer and repository patterns using Hibernate JPA for database operations
  • Created dynamic views using JSP and JSTL tags with Spring MVC controllers
  • Optimized database queries and application performance, reducing response time by 30%
  • Automated unit testing with JUnit, increasing test coverage from 75% to 95%
  • Reduced account creation time by 25% through service logic optimization
  • Achieved 99.9% API uptime by streamlining deployment pipelines
  • Designed reusable Spring MVC templates, reducing development time for new features by 40%
  • Account API handles core functionality of the gaming platform's back-end, including user account creation, authentication, authorization, password management, session management, and user profile services for gaming systems.
  • Technologies Used: Core Java, Spring Boot, Spring MVC, Hibernate JPA, Angular, JSP, Servlets, RESTful/SOAP Web Services, MySQL, JUnit, Maven, Eclipse/IntelliJ IDEA, Git

Education

Bachelor of Engineering - Computer Science

Pune University
01.2021

Skills

  • Java
  • SQL
  • Spring Boot
  • Spring MVC
  • Hibernate
  • Angular
  • JSP
  • Servlets
  • RESTful APIs
  • SOAP Web Services
  • Webhooks
  • Telr
  • PayBy
  • CCAvenue
  • MySQL
  • Maven
  • Git
  • Docker
  • Jenkins
  • JUnit

Certification

Java Spring Boot Development Certification, Pankaj Sir Academy, Bengaluru

Disclaimer

All the above information is true to the best of my knowledge.

Timeline

Java/J2EE Developer

Mphatek Systems
06.2025 - 03.2026

Java/J2EE Developer

Zensar Technologies
01.2022 - 12.2024

Bachelor of Engineering - Computer Science

Pune University
Hemant Vikram Shelar