SHAREEQ R MULLA
Belagavi
Summary
Accomplished Java developer with approximately 4 years of experience building scalable backend applications using Spring Boot and REST APIs at NPST Ltd. Experienced in optimizing performance and securing microservices while collaborating with cross-functional teams. Proficient in SQL and Redis for efficient data management, contributing to reliable digital payment solutions.
Overview
4
4
years of professional experience
Work History
Java Developer
NPST LTD
01.2023 - Current
- Developed Spring Boot microservices for secure digital payment transactions in a high-volume UPI environment.
- Designed and implemented RESTful APIs for transaction initiation, validation, reconciliation, and status tracking.
- Secured APIs using Spring Security with JWT-based authentication and role-based access control.
- Integrated Apache Kafka and RabbitMQ for asynchronous, event-driven communication between distributed services.
- Implemented Redis caching to reduce API response time and minimize database load.
- Designed and optimized MySQL and Oracle database schemas with effective indexing strategies.
- Implemented global exception handling and request validation for secure error management.
- Ensured idempotency and transaction consistency to prevent duplicate payment processing.
- Participated in UAT, production deployments, and post-release monitoring.
Java Developer
01.2022 - Current
- Developed and maintained Spring Boot microservices for digital payment and enterprise applications handling high-volume transactions.
- Designed and implemented RESTful APIs for transaction processing, validation workflows, and product management modules.
- Secured APIs using Spring Security with JWT-based authentication and role-based authorization.
- Integrated Apache Kafka and RabbitMQ for asynchronous and event-driven communication across distributed systems.
- Implemented layered architecture (Controller-Service-Repository) for modular and maintainable code structure.
- Designed entity models and implemented ORM using Hibernate/JPA.
- Applied validation and global exception handling for secure and consistent data processing.
- Optimized SQL queries and indexing strategies, improving database performance and reducing query execution time.
- Implemented Redis caching to improve API response time and significantly reduce database load.
- Deployed and maintained applications on AWS EC2 and physical server environments.
- Supported UAT testing, defect resolution, and coordinated with QA/business teams before production releases.
- Provided production support by analyzing logs, resolving critical incidents, and ensuring system stability.
- Managed project builds using Maven and version control using Git and SVN.
- Participated in Agile ceremonies including sprint planning, stand-ups, and retrospectives.
Java Developer
BGST PVT LTD
01.2022 - Current
- Developed REST APIs for product lifecycle management (Create, Update, Delete, Search).
- Implemented pagination and sorting to efficiently handle large datasets.
- Designed entity relationships using Spring Data JPA and Hibernate.
- Secured APIs using JWT-based authentication and authorization.
- Applied validation and optimized database queries for improved performance.
- Collaborated with frontend and QA teams for feature delivery and testing.
Education
Bachelor of Engineering (B.E.) -
KLE Society's Dr. M.S. Sheshgiri College of Engineering and Technology
Belagavi, Karnataka01.2021
Skills
- Core Java
- Java 8
- SQL
- HTML
- CSS
- JavaScript
- Reactjs
- Spring Boot
- Spring MVC
- Spring Data JPA
- Hibernate
- Spring Security
- JWT
- Microservices
- REST APIs
- Layered Architecture
- Apache Kafka
- RabbitMQ
- MySQL
- Oracle
- Redis
- AWS EC2
- Physical Server Deployment
- Maven
- Git
- SVN
- JIRA
- Postman
- OOP
- Multithreading
- Exception Handling
- Performance Optimization
Accomplishments
- Worked on UPI-based fintech project (GFF Fintech).
- Contributed to database migration activities ensuring data integrity and minimal downtime.
- Improved API performance and enhanced system stability.
- Supported multiple production releases and handled live issue resolution.
- Mentored junior developers on backend development best practices.
Projects
Fintech Digital Payment Processing System, NPST LTD, 2023, Developed Spring Boot microservices for secure digital payment transactions in a high-volume UPI environment., Designed and implemented RESTful APIs for transaction initiation, validation, reconciliation, and status tracking., Secured APIs using Spring Security with JWT-based authentication and role-based access control., Integrated Apache Kafka and RabbitMQ for asynchronous, event-driven communication between distributed services., Implemented Redis caching to reduce API response time and minimize database load., Designed and optimized MySQL and Oracle database schemas with effective indexing strategies., Implemented global exception handling and request validation for secure error management., Ensured idempotency and transaction consistency to prevent duplicate payment processing., Participated in UAT, production deployments, and post-release monitoring. E-Commerce Admin Product Management System, BGST PVT LTD, 2022, Developed REST APIs for product lifecycle management (Create, Update, Delete, Search)., Implemented pagination and sorting to efficiently handle large datasets., Designed entity relationships using Spring Data JPA and Hibernate., Secured APIs using JWT-based authentication and authorization., Applied validation and optimized database queries for improved performance., Collaborated with frontend and QA teams for feature delivery and testing.
Timeline
Java Developer
NPST LTD
01.2023 - Current
Java Developer
01.2022 - Current
Java Developer
BGST PVT LTD
01.2022 - Current
Bachelor of Engineering (B.E.) -
KLE Society's Dr. M.S. Sheshgiri College of Engineering and Technology