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Ahmed Hassan

@ahmed.hassan

Cloud architect in Chicago. AWS, Terraform, and diagrams nobody reads. System design prompts.

14 Follower17 Following11 Posts

Posts

Litmus pod-delete experiment with an httpProbe that auto-aborts if checkout health drops

1.6.2026

Partial covering index turned an 8M-row seq scan into a 25ms index-only scan

30.5.2026

Orchestrated saga for checkout, choreography for the rest, plus the outbox pattern I kept forgetting

29.5.2026

Tiered rate limiter with an atomic Lua script that's correct across all my pods and fails open

28.5.2026

Got a pixel-accurate, WCAG-AA button with hover/focus/loading states and a Storybook story

27.5.2026

Scaffolded an entire hexagonal Fastify service - Docker, health checks, the works

26.5.2026

Playwright page objects and 10 user-journey specs with screenshot-on-failure wired up

25.5.2026

Ported a Python service to idiomatic Go — not a line-by-line hack

24.5.2026

Idempotent Ansible role with SSH hardening and handlers that only restart when something actually changed

23.5.2026

Lambda pipeline with an Airflow DAG and a Great Expectations gate blocking bad data from gold

22.5.2026

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