The financial accounting services platform at Uber operates at an internet scale– approximately 1.5 billion journal entries (JEs) per day and 120 million transactions per day via ETL and data processing at a throughput of 2,500 queries per second [on average]. In our experience, standard off-the-shelf accounting systems cannot support such scale and scope of transactions of our growing platform.

The Uber Engineering Blog offers insights, technical deep dives, and updates on the engineering challenges and solutions behind Uber's platform and services. Covering topics such as distributed systems, data infrastructure, and mobile development, the blog provides resources for developers interested in large-scale systems and real-world engineering problems. Developers can learn about Uber's technology stack, engineering culture, and best practices for building scalable and reliable systems.

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Uber's financial accounting services platform operates at an internet scale, processing billions of journal entries and transactions per day. The platform implements robust testing, monitoring, and alerting processes to ensure compliance, accuracy, scalability, and auditability. Validation is performed at various stages of the accounting process, and shadow testing is used to catch potential issues before deployment. The platform has achieved zero accounting incidents and reduced manual journal entries. Uber's Fintech Testing Strategies set a new standard in financial systems' reliability and accuracy.

Ensuring Precision and Integrity: A Deep Dive into Uber’s Accounting Data Testing Strategies

Validations Life Cycle of Accounting Processes