Keeping 99.9% uptime on a payments backend
Timeouts, retries with jitter, idempotency keys — the boring patterns that keep money systems up.
July 2026 · 6 min read
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Notes
Short technical write-ups from running payment systems in production.
RBAC that survives the org chart
Designing permissions that outlive the roles they were written for.
July 2026 · 5 min read