Java conferences in Cologne 2026 / 2027

Conferences ✕ Europe ✕ Germany ✕ Cologne ✕ Java ✕
Asia 2
Africa 0
Europe 28
North America 10
South America 1
Oceania 0
Online 8
.NET 1
Artificial Intelligence (AI) 3
Big Data 3
Cloud 1
Data / Database 3
Data Science 3
IT 7
Java 2
Kotlin 2
Large Language Model (LLM) 1
Machine Learning (ML) 3
Microsoft 1
Product management 1
Project management / PMO 1
Scala 2
SQL 2
Tech 7
BG Bulgaria 1
FR France 1
DE Germany 7
GR Greece 1
NL Netherlands 4
NO Norway 1
PL Poland 4
PT Portugal 1
RU Russia 1
SI Slovenia 1
ES Spain 2
CH Switzerland 1
GB United Kingdom 3

Best Java conferences in Cologne 2026 / 2027

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 2026

Java conference in Cologne, Germany, Europe

java

JCON EUROPE 2026

Java conference in Cologne, Germany, Europe