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Nov 1, 2020 · Backend Development

How Uber Scaled Its Payment Platform with a Job‑Based Double‑Entry Ledger

Uber engineers rebuilt their payment system, Gulfstream, into a SOX‑compliant, job‑based double‑entry ledger that migrates billions of transactions across asynchronous services while maintaining zero‑downtime, high availability, idempotency, and strong data consistency.