Java meetups in Koln 2025 / 2026

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Best Java meetups 2025 / 2026

Best conference
The Principal Dev – Masterclass for Tech Leads

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference
Clean Architecture Masterclass

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

Best conference
Clean Code: The Next Level

Clean Code: The Next Level

Advanced clean code certification training for Java developers.

java

JCON EUROPE 2025

Java meetup in Koln, Germany, Europe