Name: Apache Flink® Meetup Berlin – Production Insights from Industry Leaders
Start: 2026-03-03T18:00:00.000+01:00
End: 2026-03-03T21:00:00.000+01:00
Location: Berlin, Berlin

Ververica

Join us for an evening of deep technical insights into Apache Flink® in production, featuring engineering leaders from two of Europe's largest tech-driven companies.

Discover how Delivery Hero leverages Flink for real-time metric calculations at scale. Learn practical patterns, performance optimization techniques, and architectural decisions for building reliable metrics pipelines that power business-critical decisions.

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

A deep dive into a bold architectural decision at Zalando. Learn why the team moved away from Table API joins in favor of DataStream unions, achieving a dramatic 75% reduction in state. Maryna shares the performance bottlenecks they encountered, the trade-offs they evaluated, and the practical implementation details that delivered massive efficiency gains in production.

Streams as Tables: Cutting Data Platform Costs with Continuous Materialisation

Erik Schmiegelow, Hivemind Technologies AG

Erik is a director and co-founder of Hivemind Technologies AG, a technology consultancy focussed on cloud and data engineering with functional programming and Infrastructure as Code. Prior to Hivemind, Erik founded several companies and worked in finance, advertising and industrial sectors building scalable distributed software platforms

This is a great opportunity to learn from practitioners running Flink at scale, ask questions, and connect with Berlin's streaming data community.