Technical writing on backend engineering, distributed systems, IoT, and applied AI.
A practical guide to role-based access control in Django — from simple per-role permissions to a five-tier RBAC model powering a production medical platform, without duplicating authorization logic across microservices.
Lessons learned from architecting a production microservices system for a medical AI platform — covering service boundaries, async task management, and operational reliability.
What I learned designing an edge-to-cloud attendance system on Raspberry Pi — covering inference latency, API contracts, and the realities of running ML on constrained hardware.