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Dev Summit 2026

10:00 CEST

Causality at scale: From statistical models to AI agents at Decathlon 3 - LABSergio Benito GOOGLE X ADEO - How to reduce BigQuery costs? democratizing best practices at scale. 🤖 DATA/AI ARENAOlivia Paris • Léo Negre

10:45 CEST

PaintMyWall: From AI hackathon to production. 🤖 DATA/AI ARENADamien Toulouse • Baptiste Thiriet • Pacome Morisot

11:30 CEST

Transforming market expansion at Leroy Merlin Brazil: From descriptive geography to AI-Driven geo-intelligence. 🤖 DATA/AI ARENAEliana Junko Ishizuka • André Rabetti Alves

11:45 CEST

Ranking is a decision: Engineering a data driven truth system for AI-powered omni-channel search. 3 - LABMathieu Deleu

14:00 CEST

From "Intuition" to data-driven precision: Automating store safety stocks at scale 🤖 DATA/AI ARENAVianney Taquet NASDAQ - AI in the wild: Survival lessons from real-world model development 2 - GRAND PAVILIONSarah Bradley

14:45 CEST

Beyond the cookie: Building a zero-knowledge ad ecosystem with fully homomorphic encryption (FHE) 🤖 DATA/AI ARENAFrancois Serra

15:30 CEST

L'OREAL X GOOGLE - PowerBI on Bigquery at scale 🤖 DATA/AI ARENAAntoine Castex • BUREL Mathieu

15:45 CEST

Beyond the chatbot: Engineering a multi-agentic lego-like ecosystem 3 - LABRuben Sastre • Daniel Rozputyñski

16:15 CEST

Beyond the hype: 3 Pentests and 2 GenAI services later, an LLM security survival guide 🤖 DATA/AI ARENAPhilippe Lasek • Karl Mongosso

17:45 CEST

From User Needs and Behavior to Data Modeling: Reducing FinOps Costs with Smarter Modeling 🧩 PM/UX ARENAJuan Jose Medina Martinez

10:30 CEST

Smarter last-mile logistics: using operations research to optimize delivery districts and booking calendars in the Italian context 🤖 DATA/AI ARENADario Piloni • Nicholas Mattia Marazzi

11:15 CEST

How to establish an agentic framework: Sovereignty and simplicity with "Small Agent" 🤖 DATA/AI ARENAAxel Tison • Cyril Spanneut LINKUP - Designing a retrieval layer for AI agents: Lessons from production 2 - GRAND PAVILIONBoris Toledano

14:45 CEST

Cleaning the data lake without drowning: A PM & DataOps story 🤖 DATA/AI ARENASoufian Salhi • Lucie Bailly

15:30 CEST

From traditional search to knowledge graph-powered engine: The Leroy Merlin Brazil quotation generator experience 🤖 DATA/AI ARENALucas Eduardo De Cesar Morais • Leandro Marcelo Domingues Galvao

16:15 CEST

Would you ship code without tests? Why do your AI agents' skills need evals 🤖 DATA/AI ARENAThomas D'hulst

17:45 CEST

Empirical evidence for alignment faking in a small LLM and prompt-based mitigation techniques 👾 DEV/TECH ARENAJeanice Koorndijk Ghost stockout detection: When sales interruptions should raise eyebrows 4 - MEDIUM STAGEPierre Leder • Cesare Paulin

10:30 CEST

Fine grained data provenance with Apache Spark 🤖 DATA/AI ARENARonan Fruit

11:15 CEST

Transformer-Based Reranking: Bringing semantic intelligence to E-commerce 🤖 DATA/AI ARENAAlex Lenfant