Engineering notes

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Practical notes on backend systems, AI, and software engineering.

9 min

How Does Notion Keep Your Phone and Laptop in Sync?

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8 min

How Does Your Authenticator App Works Without Wi-Fi, Internet, or Mobile Network?

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8 min

Bloom Filters: How Systems Check Billions of Items Without Storing Them All

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8 min

Why Google Doesn't Search the Internet When You Hit Enter

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7 min

Why 52! Is One of the Most Mind-Blowing Numbers You'll Ever See

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12 min

Hermes Agent Explained: The AI Agent That Never Forgets

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