Project Overview
Success Key is a competitive test prep institute. The client required an interactive e-learning web portal that allows students to view video lectures, complete timed mock exams, record performance logs, and review answer keys.
The Challenge
The main bottleneck was managing simultaneous exam sessions. If hundreds of students submitted exams at the exact same second, the server database would record massive lock queues, resulting in timeout errors. Additionally, students required instant feedback and detailed charts detailing subject-wise performance.
Our Solution
We built a responsive single-page application using Angular. For the backend, we engineered a scalable REST API on the Laravel PHP framework. To prevent database lock-ups, we structured an asynchronous submission pipeline: exam sheets are stored instantly in memory cache channels, processed in queues in the background, and committed to the database incrementally.
We also engineered dynamic charting tools using Angular SVG overlays, displaying instant performance scores and subject weaknesses right after test submissions.
Key Deliverables & Results
- High Concurrency: Supported 5,000+ simultaneous test sessions cleanly.
- Feedback Latency: Performance calculations rendered in under 1 second.
- Content Storage: Organized secure cloud video vaults for lesson archives.
- Usability Score: Achieved a 95% user satisfaction rate in student surveys.