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Qichao Chu

Qichao Chu is a Senior Software Engineer on Uber’s Streaming Data Team. He has been working on highly available, fault resilient streaming systems, including Kafka Consumer Proxy and Uber internal Kafka client libraries.

Engineering Blog Articles

Introducing uGroup: Uber’s Consumer Management Framework


Apache Kafka® is widely used across Uber’s multiple business lines. Take the example of an Uber ride: When a user opens up the Uber app, demand and supply data are aggregated in Kafka queues to serve fare calculations.

Enabling Seamless Kafka Async Queuing with Consumer Proxy

Uber has one of the largest deployments of Apache Kafka in the world, processing trillions of messages and multiple petabytes of data per day. As Figure 1 shows, today we position Apache Kafka as a cornerstone of our technology stack.