🇩🇪 Cologne · 🌐 Web

Web Development events in Cologne

Frontend, full-stack, frameworks. 9 upcoming in Cologne — next in November 2026.

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Next Web Development events in Cologne

TodayTue 10 Nov18:30·📍 Cologne · Ambient Digital - Agent…

CologneJS Meetup

by Cologne.js

MeetupWeb

~50 expected

Thu 12 Nov18:00·📍 Cologne · OBI

30. OBI Tech Talk: Mutation Testing & Embedded Cocktails

by OBI Tech Talks (Meetup)

Sei dabei beim zweiten **OBI Tech Talk** im November! Diesmal geht es um zwei sehr unterschiedliche Fragen: Wer testet eigentlich die Tests, die Coding Agents schreiben? Und wie kompliziert kann man Cocktails mixen, wenn man Embedded-Entwicklung dazunimmt? ⏰ **Ablauf**: **18:00** Uhr - Einlass **18:30** Uhr - "**Mutation Testing für Coding Agents - Wer testet die Tests?"** - **Martin Otten**, Sen

MeetupAI / MLWebSoftware EngineeringSecurityHardwareProduct / Design

~50 expected

Thu 19 Nov09:00·📍 Cologne · Stadtgarten Köln

Startup Breakfast @WBS.Legal

by Startup Breakfast Köln (Meetup)

**Startup Breakfast @WBS.Legal** **19\.11\.2026 \| 09:00 \- 11:00 Uhr** **Bitte hier über Eventbrite anmelden:** https://www.eventbrite.co.uk/e/startup-breakfast-wbslegal-tickets-1981583833589?aff=oddtdtcreator Am 19. November veranstalten wir unser nächstes Startup Breakfast bei unserem Mitgliedsunternehmen WBS.LEGAL! **Ablauf:** **09:00 Uhr -** Eintreffen der Gäste **09:30 Uhr -** Begrüßung d

SocialAI / MLWebDataStartups / VentureLegal Tech

~50 expected

🔥 Popular

Mon 23 NovFull day·📍 Cologne

DDC .NET Developer Conference 2026

From Nov 23–26, 2026, .NET developers gather in Cologne. DDC stands for developers in the age of AI: alongside classics like .NET Core, Frontend, Backend and Cloud & Infrastructure, there are tracks on AI Fundamentals and AI Developer Tools. 50 sessions, 50 speakers, 8 topic tracks – for everyone who wants to show that great developers stay indispensable in the AI era.

ConferenceAI / MLWebSoftware EngineeringDevOps / Cloud

~600 expected

Tue 24 Nov18:30·📍 Cologne · Ambient Digital - Agent…

Django Meetup Vol. 82 / Multi-Tenant Django in Practice

by DjangoCologne (Meetup)

Our Django Meetup Cologne Vol. 82 will take place on the 24th of November 2026. We would like to meet you **online or in person**! We got a lot to talk about, pizza for everyone joining us live and good vibes. Feel free to join us at our office in Cologne or by clicking on the following link. It will lead you to our online session in MS Teams. ►[https://bit.ly/djangoMeetupCologne](https://bit.l

MeetupWebSoftware EngineeringData

~50 expected

Thu 26 Nov19:00·📍 Cologne · REWE Digital GmbH

55. OWASP Cologne @ REWE digital - Exposed by Design

by OWASP Cologne Chapter (Meetup)

**Exposed by Design - Katherine Leese** Host header attacks, access control bypasses, SSRF. You've probably seen them in Burp, maybe exploited them in a lab. But what do they actually look like on the wire? Is anyone even looking? This talk flips the perspective. Using a fictional scenario and a purpose-built Docker lab, we'll walk through five live attack chains, from SNI/Host mismatches to blind