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Omar A.
Senior Software Engineer
Backend engineering notes. Learning by building, breaking things, and figuring them out along the way. Trying to stay curious and find my path in the AI era.
2025
2024
NestJS Standalone Worker
Create a standalone worker using NestJS to handle background tasks and offload heavy processing from the main application. 🚀
Managing Authorization in Microservices
Discovering a way to manage authorization and permissions in microservices architecture using authorization-as-a-service 🔐.
My Journey: Prometheus and Grafana
Mission 2: monitoring an Asterisk server with Prometheus, the res_prometheus module, and node_exporter, then visualizing the metrics in Grafana.
My Journey: K8s and Helm
Mission 1: deploying an Express API with MySQL and Redis to a minikube cluster, exposing it through an ingress, and packaging it as a Helm chart.
My Software Journey: Intro
The start of my backend engineering journey, taking one application from a monolith to microservices and building proofs of concept along the way.
