Here is a collection of known uses of Kafka Streams in production. This is based only on public information. If you have a use case you'd like to add, please contribute!
- Salesforce uses Kafka Streams to generate real time insights which are used to score and rank emails for boosting sales efficency.
- Deutsche Bahn uses Kafka Streams to make announcements of train arrivals at stations.
- Walmart:
- Blackrock uses Kafka Streams to power their liquidity management solutions.
- Zalando uses Kafka Streams to rank fashion websites in real-time.
- New York Times manages their entire article publishing pipeline using Kafka Streams.
- Michelin uses Kafka Streams to power their in-house ERP system.
- Airbnb uses Kafka Streams to power their actor-based merge queue with serializablle consistenty to manage merges in their large monolithic repositories.
- Twilio's Enterprise Insights team uses Kafka Streams to power their alerting engine based on real-time metrics.
- Imperva uses Kafka Streams to build a highly-available and fault-tolerant distributed data store for their microservices.
- AVSystem uses Kafka Streams for real-time analytics on IoT data at scale.
- LineCorp uses Kafka Streams to implement a task dispatching system and also for performing streaming operations on their Kafka topics.
- Bloomberg:
- Real time adaptation of financial market events: Bloomberg reacts to changes in financial contracts in over the counter markets in real time using Kafka Streams
- Derived data team uses Kafka Streams to do algorithmically derived pricing.
- Expedia built their real time conversations platform, which answers questions like "how long is my layover", etc., around Kafka Streams.
- Indeed powers their microservices architecture with Kafka Streams.
- Wise uses Kafka Streams to power the instant money movement features of their financial platform.
- Lifull Connect uses Kafka Streams to power their platform for real estate listings.
- Morgan Stanley has Kafka Streams powering their liquidity management platform.
- Zopa Bank uses Kafka clients and Kafka Streams to power their backend event driven applications.
- BigCommerce uses Kafka streams to power their real time data platform which serves insights to the merchants using their platform for ecommerce.
- Twitter uses Kafka Streams extensively, including in their real time ML training pipeline which updates the model that ranks tweets for the 'For You' timeline.
- New Relic uses Kafka Streams to do real time metric aggregations in their core data pipelines.
- Intel uses Kafka Streams as part of their real time cyber intelligence platform.