# DevDay Exchange Community: Barcelona A community hackathon in Barcelona focused on building with Codex and the ChatGPT app. It is for builders, people with project ideas or curiosity, and those who want to build solo or with others. - When: Sat, Nov 21, 2026 · 10:00–17:00 (Europe/Madrid time) - Where: Itnig Café, Itnig Café, Carrer de Pujades, 100, Sant Martí, 08005 Barcelona, Spain - Format: In person - Type: Hackathon - Topics: AI, GenAI & LLMs, Software engineering - For: Software engineers, AI & ML engineers - Price: Free - Organizer: Codex Community Events - Register and details: https://luma.com/0ly6gnti ## About Join us for the DevDay Exchange Community Hackathon in Barcelona, a whole day dedicated to building with Codex, OpenAI’s coding agent, and ChatGPT app. Bring an idea, a project you want to push forward, or simply your curiosity. You’ll build alongside other builders and OpenAI's engineers, turning ideas into working prototypes. We’ll kick off with a short introduction and the latest on Codex, then move quickly into hacking. Build solo or team up with others, with experienced Codex users around to help, share workflows, and unblock you. At the end, we’ll come back together for live demos of… ## Links - On the map: https://events.intentface.com/e/devday-exchange-community-barcelona-barcelona-2026-11 - As JSON: https://events.intentface.com/api/events/devday-exchange-community-barcelona-barcelona-2026-11 - More events like this: https://events.intentface.com/llms.txt From Intentface Events, https://events.intentface.com