JavaScript conferences in Heidelberg 2025 / 2026

Conferences Europe Germany Heidelberg JavaScript

Asia 4

Africa 1

Europe

North America 17

South America 2

Oceania 1

Online 13

Bulgaria 1

Croatia 2

Denmark 1

Finland 1

France 4

Germany

Greece 1

Italy 5

Netherlands 3

Norway 2

Poland 2

Romania 1

Russia 2

Spain 2

Ukraine 1

United Kingdom 5

Best JavaScript conferences 2025 / 2026

Best conference May 22-23 25

The Principal Dev – Masterclass for Tech Leads

Certification masterclass for experienced software engineers.

Best conference May 12-15 25

Clean Architecture Masterclass

Certification masterclass for experienced Java developers.

Best conference Jun 5-6 25

Clean Code: The Next Level

Advanced clean code certification training for Java developers.

Best conference May 8-9 25

Modern Software Engineering with TDD

Certification masterclass for .NET developers.

Online JavaScript conferences accessible from Heidelberg:

Mar 29 25

Workshop: Optimizing Web Performance

JavaScript masterclass Online

Apr 7-8 25

HolyJS 2025 Spring

JavaScript conference in Moscow, Russia and Online

Apr 17-18 25

Node Congress

JavaScript conference Online

May 19-22 25

International JavaScript Conference San Diego

JavaScript conference in San Diego, California, United States and Online

May 24 25

JavaScript fwdays’25 conference

JavaScript conference in Kyiv, Ukraine and Online

Jun 2-6 25

webinale 2025

JavaScript conference in Berlin, Germany and Online

Jun 12-16 25

JSNation

JavaScript conference in Amsterdam, Netherlands and Online

Jun 13 25

React Norway 2025

JavaScript conference in Oslo, Norway and Online

Sep 29 - Oct 2 25

International JavaScript Conference New York 2025

JavaScript conference in New York, New York, United States and Online

Oct 6-9 25

SmashingConf New York

JavaScript conference in New York, New York, United States and Online

Oct 30 25

Conf42: JavaScript 2025

JavaScript conference Online

Oct 30 25

Conf42: JavaScript 2025

JavaScript conference Online

Nov 17-20 25