Why We Ditched Flink Table API Joins: Cutting State by 75% with DataStream Unions

The beauty of a high-level abstraction is that it lets you focus on the "what" rather than the "how." In the world... Read more...

photo of Maryna Kryvko

Senior Software Engineer

Mar 04

2026

The Day Our Own Queries DoS’ed Us: Inside Zalando Search

Once upon a time, during a normal Sunday, our team ran into an unexpected challenge: an Elasticsearch cluster that... Read more...

photo of Maryna Kryvko

Senior Software Engineer

photo of Ivan Potapov

Senior Software Engineer

Dec 17

2025