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Grzegorz Piwowarek

4Comprehension

Grzegorz is an independent trainer/consultant, Vavr project lead, WarsawJUG leader, and blogger at 4comprehension.com. He loves distributed systems, performance, cloud, and architecture… there are rumors that he only exists at compile time.

Badges 10

Talks 8

  1. Devoxx Poland 2025

    What Can a Java Developer Learn from Golang?

    June 2025Programming Languages

  2. Voxxed Days Ticino 2025

    What Can a Java Developer Learn from Golang?

    January 2025Backend Development

  3. Devoxx Poland 2022

    Hazelcast 5.2 - What's Next?

    June 2022Architecture

  4. Devoxx Poland 2022

    CompletableFuture and its Quirks

    June 2022java

  5. Devoxx Ukraine 2019

    Purely dysfunctional data structures for java

    November 2019Java Language▶ Watch

  6. Voxxed Days Zurich 2019

    The dark side of java 8 - lessons learned

    March 2019Java Language▶ Watch

  7. Devoxx Belgium 2018

    Functional exception handling in java with vavr

    November 2018Java Language▶ Watch

  8. Devoxx Poland 2018

    A hitchhiker's guide to the functional exception handling in java

    June 2018Java Language▶ Watch