Uber Engineering Mar 11

How Uber Built an Agentic System to Automate Design Specs in Minutes

Uber is setting a new standard for design systems by using the Figma Console MCP to shatter the manual documentation bottleneck. By letting AI agents pull di...

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Uber Engineering Mar 10

Transforming Ads Personalization with Sequential Modeling and Hetero-MMoE at Uber

Learn how we rebuilt our Ads personalization model with Transformer-based sequential encoders and HeteroMoE to better capture user intent, boost targeting ac...

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Uber Engineering Mar 5

Building High Throughput Payment Account Processing

Uber’s Payment Account Batch Processing system handles over 30 financial update operations per second for hot accounts with sub-second batching and strict co...

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Uber Engineering Feb 26

Superuser Gateway: Guardrails for Privileged Command Execution

Learn how Uber’s new Superuser Guardrails turn risky manual commands into peer-reviewed, machine-validated changes, and how to apply this pattern to your own...

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Uber Engineering Feb 19

Database Federation: Decentralized and ACL-Compliant Hive™ Databases

Uber’s 10PB, 16K-dataset Hive monolith for the Delivery business had huge limitations. See how we transformed it into a secure, scalable, decentralized platf...

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Uber Engineering Feb 12

Uber’s Rate Limiting System

Discover how Uber built and automated a global rate-limiting system that protects millions of RPCs per second, improving reliability, reducing latency, and s...

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Uber Engineering Feb 5

Introducing uFowarder: The Consumer Proxy for Kafka Async Queuing

Uber processes trillions of Kafka messages per day on a push-based consumer proxy in real time. Read this blog to learn about the thinking behind open source...

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Uber Engineering Jan 29

How Uber Scaled Data Replication to Move Petabytes Every Day

Uber prioritizes a reliable data lake, which is distributed across on-premise and cloud environments. This multi-region setup presents challenges for ensurin...

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Uber Engineering Jan 16

Apache Hudi™ at Uber: Engineering for Trillion-Record-Scale Data Lake Operations

Check out this deep dive into how Uber runs Apache Hudi™ at extreme scale—handling trillions of records, petabytes of data, and high-concurrency table servic...

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Uber Engineering Jan 13

How Uber Conquered Database Overload: The Journey from Static Rate-Limiting to Intelligent Load Management

🧠 Overload in stateful databases isn’t one-dimensional. See how we built an intelligent load manager that sheds smarter, adapts to diverse signals, and stay...

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Uber Engineering Jan 6

From Monitoring to Observability: Our Ultra-Marathon to a Cloud-Native Platform

Managing a global corporate network at Uber’s scale can feel a bit like running an ultra-marathon. There are long stretches of smooth sailing, but you’re alw...

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Uber Engineering Dec 18

Powering Billion-Scale Vector Search with OpenSearch

Uber powers billion-scale vector search with OpenSearch. Discover the innovative optimizations we designed to boost search efficiency, scalability, and relia...

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