Hartmut Armbruster

Hartmut Armbruster

Hartmut is a software engineer and tech lead with a strong passion for architecture, data streaming, and distributed systems. He has designed and delivered solutions for mission-critical platforms, working with clients including HSBC, NEX Group plc, Raiffeisen Switzerland, GoodLabs Inc., Deutsche Bahn, and eu-LISA. Hartmut is driven by a desire to see the bigger picture and excels at aligning engineering teams through clear, compelling architectural designs.

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Sessions

Scale
Stream

What If We’ve Been Scaling Stream Processing Wrong All Along

Talk
We’ve normalised extraordinary inefficiency in stream processing. Thousands of events/sec don't justify repartition storms, serialization overhead, state migration. This talk explores a different path: Kafka Streams DSL, adopt Flink-like exactly-once semantics, Project Loom, and challenging the assumption that stream processing must be distributed.