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98% latency reduction

A Node.js optimization project that moved heavy work off the event loop and used Worker Threads.

Production auth

JWT, refresh-token rotation, email verification, password reset, rate limiting, and RBAC.

Architecture thinking

Payments and microservices work that documents trade-offs instead of just listing tools.

Teaching experience

Instructor at SQI College of ICT, teaching front-end and back-end fundamentals.