PG Labs
Web ApplicationEdTechShipped 2026

CKB Examination Platform

A scalable online examination platform with real-time monitoring and proctoring capabilities.

ReactNode.jsMongoDB
ckb-examination-platform.architectureSTATUS: VERIFIED DEPLOYMENT

CKB Examination Platform

System Interface & Microservices Topology

PG Labs Verified ArchitectureBuild #2026

Project Overview

An enterprise-ready assessment platform engineered to handle concurrent test sessions reliably. Features strict integrity controls, automated randomized question banks, real-time proctoring telemetry, and instant automated grading.

THE CHALLENGE

Operational Bottleneck

Traditional online testing software suffered from connectivity dropouts during peak exam start times, losing student inputs and risking exam integrity.

THE SOLUTION

Engineered Architecture

Architected an event-driven Node.js backend with MongoDB optimistic state saves and an intuitive, distraction-free React interface with local storage fallbacks.

Key Capabilities Delivered

Concurrent high-traffic test submission handling
Automated question randomization and section timers
Real-time student status telemetry for invigilators
Automated evaluation and grade distribution
Resilient offline-recovery state synchronization
VERIFIED OUTCOME

Successfully supported large batches of concurrent test-takers without data loss or test interruption.

* Outcome verified by client operational review. No fabricated metric multipliers added.

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