Blog

Technical notes on backend, infrastructure and high-volume data processing.

• 27 AUGUST 2026

  What an SLA really means, and how to calculate your own

  "What does a 99.99% SLA actually promise, and how do you work out the real one for your own application?"

  • ARCHITECTURE
  • SRE
  • CLOUD
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• 18 AUGUST 2026

  You Probably Don't Need AI to Rank Your Feed

  I wrote a ranking algorithm at 19 and it was quietly broken. What I fixed — and why most apps don't need machine learning to order a feed.

  • ranking-algorithms
  • system-design
  • machine-learning
  • TYPESCRIPT
  • DATABASE
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