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Parixa | Live MCQ Examination Platform

saas

Developed a scalable online examination platform handling concurrent users with a modern monorepo architecture. Engineered a high-performance frontend using Next.js and a robust backend API with Express.js. Managed complex relational data schemas with Prisma ORM and PostgreSQL. Integrated comprehensive error tracking with Sentry to monitor backend health and resolve production bugs proactively.

Live Demo

The Problem

Educational institutions struggled with secure, scalable online examinations. Existing solutions lacked performance under concurrent load.

Tech Stack

Next.jsExpressPrismaPostgreSQLExpo R/NSentry

Key Features

High-performance frontend
Robust backend API
Complex relational data management
Comprehensive error tracking

Architecture

Next.js Frontend
Express API
PostgreSQL
Frontend Backend Database External

Challenges

  • Handling concurrent exam sessions
  • Complex relational data schemas
  • Monitoring backend health and resolving bugs

Results

Lessons Learned

  • Monorepo architecture simplifies scaling
  • Proactive error tracking is crucial for production
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