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Working notes on architecture, cloud infrastructure and AI systems — written as things ship.

16 min read

Five Caches, One Clock · making a layered cache agree with itself

A high-traffic visitor platform accumulated five cache layers that each kept their own opinion of time. How one monotonic version stamp made them agree — why freshness is a property of a field, not an endpoint — and how to arrive warm at a checkout you don't control.

cachingperformancearchitectureread-modelpowerhouse
13 min read

myAI, In Depth: A Portable Brain and an Autonomous Engineering Fleet

The architecture of myAI — a git-versioned memory layer, a specialist agent fleet, an autonomous off-hours runner, and an MCP gateway that ties them together. How it works, why it's shaped this way, and where it could go.

aiarchitectureautomationagents
12 min read

Connect, In Depth: Turning Support Tickets into an Autonomous Build Loop

The architecture of Connect — an installable support hub where a bug report becomes an AI-triaged, human-approved, autonomously-built fix with a live public timeline. The triage→fix loop, the safety model, and how a year of plans reshaped the ambition.

aiarchitecturesupportautomation
Writing | Rumman Ahmed