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the 99.999%.

Practical writing on building reliable systems, designing for scale, and engineering with intent — from Lagos, for the world.

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What I write about.

Deji Fatoye

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Deji Fatoye

SRE & Infrastructure Lead · Lagos, Nigeria

I lead infrastructure for a high-throughput platform, design distributed systems for a living, and write here about what I learn keeping things quietly running. Honest field notes, no thought-leadership.

SRE & Reliability

Runbooks, on-call discipline, SLOs that mean something, and the boring rigour that keeps you online.

System Design

How to think about scale, consistency, and failure — beyond the interview question version.

Software Engineering

Code, craft, and the quiet decisions that compound across a codebase over years.

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