Project Case Study

Exam Portal System

Developed transactionally safe backend APIs (@Transactional) and automated time-alignment algorithms. Successfully scaled to serve heavy exam traffic concurrently with zero data loss or desynchronization issues.

Live Production Demo Explore Source Code

Features & Key Deliverables

Transactionally safe backend APIs (@Transactional) for high-concurrency test submissions
Automated session timer synchronization across thousands of concurrent clients
Zero data loss and zero desynchronization under heavy exam traffic loads

Technical Specifications

Engineering RoleFull Stack Developer

Platform StandardCustom Java & Spring Boot Platform

Timeline ScopeProduction Ready

Primary FocusModular Architecture & Performant Pipelines

Stack Integration

JavaSpring BootSpring SecurityMySQLREST APIs

Engineering Challenge

Handling high-concurrency test submissions and ensuring precise session timer synchronization across thousands of clients.

Technical Resolution

Developed transactionally safe backend APIs (@Transactional) and automated time-alignment algorithms.