Developer conferences in Cologne 2026 / 2027

Conferences ✕ Europe ✕ Germany ✕ Cologne ✕
Asia 146
Africa 47
Europe 640
North America 274
South America 47
Oceania 32
Online 170
.NET 2
Artificial Intelligence (AI) 2
Big Data 2
Cloud 1
Data / Database 2
Data Science 2
IT 7
Java 2
Kotlin 2
Laravel 1
Machine Learning (ML) 2
Microsoft 2
PHP 1
Scala 2
SQL 2
Symfony 1
Tech 7
AD Andorra 1
AT Austria 7
BE Belgium 17
BA Bosnia and Herzegovina 1
BG Bulgaria 12
HR Croatia 7
CY Cyprus 1
CZ Czech Republic 25
DK Denmark 6
EE Estonia 2
FI Finland 3
FR France 37
DE Germany 111
GR Greece 8
HU Hungary 6
IE Ireland 6
IT Italy 32
XK Kosovo 2
LV Latvia 3
LT Lithuania 8
LU Luxembourg 2
MT Malta 4
MD Moldova 1
NL Netherlands 52
NO Norway 12
PL Poland 27
PT Portugal 16
RO Romania 8
RU Russia 21
RS Serbia 3
SK Slovakia 1
SI Slovenia 3
ES Spain 62
SE Sweden 18
CH Switzerland 20
GB United Kingdom 95

Best developer 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.

datascience

data2day

Data Science conference in Cologne, Germany, Europe

data

Daten-WG 2026

Data / Database conference in Cologne, Germany, Europe

dotnet

MAUI Day Cologne

.NET conference in Cologne, Germany, Europe

dotnet

DDC .NET Developer Conference 2026

.NET conference in Cologne, Germany, Europe

java

JCON EUROPE 2027

Java conference in Cologne, Germany, Europe

java

JCON EUROPE 2027

Java conference in Cologne, Germany, Europe

php

SymfonyLive Germany 2027

PHP conference in Cologne, Germany, Europe