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Full Name
Grzegorz Piwowarek
Full Name
ACE Associate
Top Level Details
Job Role
Owner
Company
4Comprehension
Country
Poland
Top Expertise
Architecture
Focus Area
Java
About Grzegorz
Grzegorz is an independent consultant, trainer, and open-source creator with a strong presence in the developer community. He leads Vavr and WarsawJUG and serves on the program committees for JDD and 4Developers conferences. He specializes in designing resilient and high-performance distributed systems.
Expertises
Architecture
Microservices
Event Driven
Performance
Go
Continuous Integration and Deployment (CI/CD)
Home Page
http://4comprehension.com/
Links
Latest Contributions
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What Can a Java Developer Learn from Golang?
Oct 21, 2025 - Presentation - in-person or virtual - JDD 2025
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What Can a Java Developer Learn from Golang?
Sep 19, 2025 - Presentation - in-person or virtual - Confitura
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What Can a Java Developer Learn from Golang?
Sep 03, 2025 - Presentation - in-person or virtual - JavaZone 2025
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Accidental Time Travel with Wiremock, SimpleDateFormat and Fractional Seconds
Jul 15, 2025 - Blog post -
Java
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