Week 23 // 1 to 7 June

#77 Qué Pasa en Madrid - Your insider guide on Madrid's best Business & Tech events.

May 31, 2026

Want to be part of the next editions? Submit your event here.

Hola, Madrileños! Qué pasa this week in Madrid?

Monday, 1

֎ Cómo Controlar tu Modelo: Interpretabilidad Mecanicista, Restricciones Neuro-simbólicas y Guardarraíles/ 18.30-20.00: talk at Madrid Innovation Lab by a senior data scientist at Kyndryl on advanced techniques to control LLM behavior in production, including mechanistic interpretability, neuro-symbolic constraints, and guardrails.
🔄 Emprendimiento y Arbitraje de Valor/ 18.30-20.30: workshop by EXATEC Madrid led by a professor from EGADE Business School on value arbitrage, personal branding, and identifying market barriers for entrepreneurs and professionals in Spain.
🌇 Business Networking | PNM June, Radisson RED Hotel Atocha/ 19.15-23.00: monthly networking meetup for business conversations, collaboration, and connections over drinks, with more than 100 participants on average.

Tuesday, 2

📈 Innoday DeepTech - De la Ciencia al Mercado: Cómo Construir y Escalar Startups DeepTech/ 10.00-14.30: Innoday focused on deeptech, connecting researchers, universities, startups, investors, and corporates to discuss transforming scientific research into scalable startups.
🛡️ Jornada Técnica sobre Ciberseguridad para el Ecosistema Emprendedor/ 11.00-14.00: technical session for entrepreneurs on applying ISO 27001 principles for cybersecurity, covering technical and organizational requirements, data governance compared to Spain’s ENS, competitive advantages of certification, and practical tools for startups and SMEs.
🚀 4YFN & Friends: Madrid Meetup/ 17.30-20.00: meetup connecting Madrid’s startup ecosystem to the global 4YFN platform, with a General Partner from Notion Capital, the Managing Director of Wayra Spain, the co-CEO and co-founder of TaxDown, a Partner from Kibo Ventures, and representatives from Santander Spain telling startup stories on scaling corporate partnerships.
💻 Cursor Madrid Hackathon #3/ 18.00-22.30: hackathon by Cursor where builders form teams of around four people (or get matched if coming solo) to design and build a functional project in a few hours using Cursor.
⚡ High-Performance Data Meets Modern AI/ 18.20-20.20: meetup focused on kdb+ and q programming language, with a senior data scientist from BBVA presenting a neural network implemented natively in q/KDB Insights for estimating execution probability in financial markets, and other talks.
📊 GrafanaCON Recap Madrid/ 18.30-21.00: recap event hosted by Grafana & Friends Madrid summarizing key announcements from GrafanaCON 2026‘s keynote, plus a talk by Grafana Labs’ Product Designer and Staff Solutions Engineer on how k6 v2.0 lowers barriers for proactive testing with AI-assisted code generation.
🤖 Building an MCP Server in Go: Connecting AI Models to the Real World/ 19.00-21.00: technical talk on building a Model Context Protocol (MCP) server in Go using the official SDK to connect AI models to databases, APIs, files, and services.
🏃 Run Your Business -South Summit Edition/ 19.00-21.30: founders’ run organized with Startup Grind Madrid, consisting of an easy conversational-paced run followed by talks from founders and relaxed after drinks.

Wednesday, 3

🔥 South Summit/ 9.00-24.00 (1/3): one of the biggest Tech conferences in Spain, with 20,000+ attendees from 134 countries, including 7,500+ startups and 2,100+ investors managing over $580B in funds, focused on AI convergence and innovation across industries, with keynotes and sessions.
🎯 IA Aplicada al Mundo Real: ML en Salud y Desarrollo con Agentes y Spec-kit/ 18.00-21.30: talks on two real-world AI case studies: a data scientist presenting ML for predicting multidrug-resistant bacteria in ICU patients, and a data engineer explaining spec-driven development and spec-kit for building agent-based systems from a streaming fraud detection pipeline.
</> #CodeMeet Madrid: Software Engineering 2.0: The Rules Have Changed/ 18.15-21.15: meetup by Codemotion on how AI is fundamentally reshaping software engineering workflows and collaboration between engineering, product, and business teams, with talks on the new engineering skillset and live demos.
🔥 Madrid Cybersecurity Social #02/ 18.30-21.30: second appointment with the community of cybersecurity professionals (inspired by the successful Berlin community), this time including a lightning talk on the threats introduced by the Agentic AI stack, layer by layer.
🤖 AI Builders&Backers: South Summit Kickoff at ElevenLabs House/ 19.00-21.30: kickoff event for South Summit, bringing together AI founders, builders, and the VC ecosystem for cold beer, snacks, and networking with ElevenLabs and partners.

Thursday, 4

🔥 AWS Summit Madrid/ 10.00-18.30: annual conference at IFEMA by Amazon Web Services with over 90 sessions covering agentic AI, serverless computing, cloud migration, and digital transformation, and partners’ exhibitions.
📐 Architecture Summit/ 18.00-21.00: conference by IE School of Architecture and Design featuring talks and panels with experts in the field of architecture and construction.
🍹 Hope Dose x IE x Climate Cocktails/ 19.00-22.00: climate tech happy hour co-hosted by Hope Dose, IE University, and South Summit, bringing together climate tech startups and investors for drinks in an informal format.
❌ AI Nights: Errores, Aprendizajes y Risas con el Hype/ 19.30-22.30: afterwork where two speakers share real AI failures and lessons learned in honest 20-minute talks covering broken automations, failed projects, and misleading hype, followed by open networking in a relaxed atmosphere.
🤖 Playground #2 | Let Claude Handle it/ 19.30-22.30: meetup by Guiris de Mierda with a Claude AI masterclass by a Y Combinator founder and former startup CEO who raised $4M and now creates AI content for 300k+ followers, plus a live communication and presence training session and structured networking.

Friday, 5

✨ Madrid Tech Mixer and Social/ 19.30-22.30: weekly afterwork meetup open to tech, AI, data, and IT professionals for casual drinks and connections in a relaxed setting.

Saturday, 6

🟢 Otro Puto Mercadillo 72º/ 16.00-21.00: local flea market with over 40 stands offering upcycling fashion, secondhand clothing, jewelry, prints, and fanzines, plus bar and raffles.