Vishal Upadhyay

Enthusiastic and results-oriented Java Full Stack Developer with 2.5+ years of experience (including 9 months on-site freelancing) in designing and developing scalable web applications using Java, Spring Boot, Hibernate, RESTful APIs, and MySQL. Strong expertise in OOP, Java 8, and Microservices Architecture. Skilled in integrating secure and maintainable systems with Spring Security and AOP.

Experienced in front-end technologies including JSP, HTML, JavaScript, and React.js. Adept at working directly with clients to deliver business-aligned solutions in fast-paced environments.

Freelance Java Developer - Supreme Transport - On-site Freelance

(2024-08)

Project: Supreme Management System – Designed and developed a complete transport management system using Spring Boot, Hibernate, SQLYog, and MyEclipse. Worked directly with the client to gather requirements, design ER diagrams, and deliver modules aligned with business needs.

• Designed and implemented REST APIs for transaction and delivery modules using Spring Boot.
• Implemented MVC Architecture for a well-structured codebase enhancing team collaboration and development efficiency.
• Transactions Module: Managed credit and debit records with real-time validations and automated reporting.
• Delivery Module: Tracked and updated delivery statuses (Pending, Shipped, Delivered) with real-time updates.
• Hire Management: Recorded hire details for vehicles and equipment, calculated fees, and generated invoices automatically.

Associate Developer - Uffizio - Surat, Gujarat

(2024-05 - 2024-07)

Project: Trak.zee / Vehicle Tracking System (VTS) – Developed and maintained a large-scale vehicle tracking platform handling real-time data from GPS devices.

• Utilized start code/end code in VTS tools for efficient data saving into databases using Servlet and interface programming.
• Managed and maintained MySQL databases for robust and scalable data storage solutions.
• Improved system efficiency by implementing optimized algorithms for faster data retrieval and processing.
• Developed and optimized Java HTTP Session functionalities to manage session data efficiently across the platform.
• Integrated Apache Kafka for real-time sales and inventory synchronization ensuring high-performance data streaming.

Junior Java Developer - RCS Tech LLP - Bangalore, Karnataka

(2021-11 - 2023-03)

Projects: DCB Bank & Omega Healthcare – Developed enterprise-level applications for banking and healthcare domains.

• Developed DCB Server Application for maintaining stock details, sales, and purchase records in warehouse management.
• Built Asset Management Module for storing employee details, company inventory, supply chain approvals, and delivery history.
• Integrated Apache Kafka to enable real-time data streaming for sales and inventory updates ensuring high performance and scalability.
• Developed a responsive frontend using HTML, CSS, and JavaScript seamlessly integrated with a robust backend in Java/J2EE and JSP.
• Implemented Log4j for effective logging and monitoring enabling faster detection and debugging of issues.
• Managed source code and version control using Bitbucket ensuring efficient collaboration and streamlined development workflows.

Master of Computer Applications - MCA - IPS Academy

DCA Certificate - Diploma in Computer Applications - Institute of Computer Science