Webdevcon

May 28–29, 2026 Amsterdam, Netherlands €300+
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Frontend and backend technology conference in Amsterdam. Practical talks on web architecture, performance, and modern development practices.
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NDC London 2027
Jan 25–29, 2027 · London, UK · £TBA
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Five days at the Queen Elizabeth II Centre with 97 speakers and 110 sessions covering .NET, JavaScript, cloud, AI, architecture, and leadership — the London stop of the long-running NDC developer conference circuit.
ConFoo Montreal 2027
Feb 24–26, 2027 · Montreal, Canada · CA$999+
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A full-stack developer conference packing roughly 190 pragmatic sessions across three days at Hotel Bonaventure — JavaScript, Python, PHP, Go, cloud, security, databases, and AI, with a strong francophone community vibe.
DevFest Nantes 2027
Mar 11–12, 2027 · Nantes, France · TBA
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The GDG Nantes flagship developer festival returns to H Arena for its 2027 sports-themed edition. Two days of technical talks and hands-on sessions for ~3,500 developers spanning web, cloud, AI, mobile and modern engineering practices.
GitHub Universe
Oct 28–29, 2026 · San Francisco, USA · TBA
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GitHub's flagship developer conference returns to Fort Mason with two days of AI agent demos, automation deep-dives, product launches, and the Makerspace + Open Source Zone. Sells out fast.