Scaling Real-Time Tracking Systems: Lessons from Container Logistics
How we built a real-time truck and container tracking system handling thousands of IoT events via MQTT — architecture decisions, service separation, and high-performance geofencing.
Multi-Tenant SaaS Architecture: Lessons from Building an ePayment Platform
How we designed a multi-tenant system for container depot services across Singapore — tenant isolation in MongoDB, banking middleware, and the trade-offs we made.