Real-Time Quiz Platform Development

Real-time Pub/Sub with Ably Ultra-low-latency messaging backbone for broadcasting questions and answers instantly to thousands of clients.

WebSocket + STOMP Fallback Native WebSocket support for modern browsers, with STOMP-over-WebSocket and HTTP-stream fallbacks to cover all environments.

Redis-Powered Leaderboard High-throughput, in-memory score tracking with sorted sets—instant rank updates and aggregate stats.

Spring Boot Microservices Modular services (quiz-manager, scoring, user-auth) for clear separation of concerns and independent scaling.

Scalable Deployment on AWS Containerized (Docker) services running on App Runner / ECS Fargate with auto-scaling, load balancing, and zero-downtime updates.

Health & Metrics with Actuator Out-of-the-box health checks, metrics endpoints, and integration with Prometheus/Grafana for full observability.

JWT-Based Authentication & Security Secure user sessions with stateless JWT tokens, role-based access control, and CSRF protection.

Fault Tolerance & Retry Resilient message delivery with exponential back-off, circuit breakers (Resilience4j), and dead-letter handling.

CI/CD Pipeline Automated builds, tests, and blue/green deployments via GitHub Actions (or Jenkins), ensuring rapid and safe releases.

Extensible Plugin Hooks Easily hook in new question-types, scoring rules, or 3rd-party integrations (analytics, chatbots) without core rewrites.