DevFest Nantes 2025
2025-10-16..2025-10-17
Nantes, France
[DevFest Nantes 2014, DevFest Nantes 2015, DevFest Nantes 2016, DevFest Nantes 2017, DevFest Nantes 2018, DevFest Nantes 2025]
| title | author | length |
|---|---|---|
| Aftermovie | Tristan Gouerou | 07m |
A highlight video captures DevFest Nantes 2025: two days of coding, bug-slaying, and community moments. Tristan Gouerou filmed the event to create an energetic… | ||
| Keynote de fermeture | La Faltazi | 45m |
~ Une merveilleuse compagnie d'improvisation ~La joute de Faltazi
- "Suivez la compagnie d'improvisation La Faltazi sur Facebook et Instagram : @lafaltazi"
-… | ||
| Alice in Gambling Land | Alexis Lina | 21m |
The talk explains how video game companies borrow casino mechanics—loot boxes, reward schedules and gambling-like audiovisual cues—to hook players and extract… | ||
| Opening Keynote - Advice Well Taken | Dasha Ilina | 38m |
Dasha Ilina presents a project documenting “techlore,” collected folk stories about how people understand and cope with modern technology—covering topics like… | ||
| State of Cloud Sovereignty: From Public Clouds to Confidential Clouds | Seifeddin Mansri | 38m |
Survey of cloud sovereignty options covering first-generation sovereign clouds, trusted clouds built with hyperscaler partnerships, European initiatives like… | ||
| "Which Episode Was That Again?" — Anyway, I Indexed a Cult Series | Tim Carry | 20m |
They built brefsearch.com to let users find and replay any scene from season 1 of the French series «Bref» by typing a few keywords. The talk explains… | ||
| Let’s build K.I.T.T. with JavaScript | Nico Martin | 43m |
A K.I.T.T.-like agent runs entirely in the browser using JavaScript, combining transforms.js with Whisper for ASR, Kakoro for TTS, local LLMs (Quen 3 / Gemma… | ||
| Property and Artificial Intelligence: A Sacred Right Tested by Machines? | Nicolas Blanchon | 48m |
Examines how generative AI challenges traditional notions of property by focusing on personal data, copyrighted works created or transformed by systems like… | ||
| Shall We Talk About "Malware Craftsmanship"? | Nailya Bogrova, Sonia Seddiki | 50m |
The talk examines “malware craftsmanship,” showing that qualities valued in malicious software differ from standard product-development best practices. It… | ||
| Terramate the Tool That Scales Your Terraform Code | Mathieu Herbert | 17m |
Introduces Terramate, an open-source tool that applies GitOps practices to scale Terraform deployments. Describes using Terramate at Dataiku to automate many… | ||
| Become a wizard and make the browser your own | Oliver Dunk | 33m |
Shows how a WebExtensions extension uses a single manifest.json plus content scripts to inject JS/CSS, a side panel and popup for isolated UI, and a DevTools… | ||
| TanStack Query Revolution: Finally Good State Management | Lucas Audart, Mickaël Alves | 54m |
TanStack Query is presented as a data-fetching and caching library that replaces ad-hoc state management for frontend apps. The talk compares it to tools like… | ||
| SELECT 'amazing_features' FROM "postgresql" | Kevin Davin | 48m |
A presentation showcasing practical PostgreSQL features that solve complex problems without re-implementing them, covering both standard SQL capabilities that… | ||
| Can Science Fiction Be Implemented Positively? | Nicolas Delsaux | 48m |
Two presenters discuss whether science fiction’s visions can be implemented positively, examining technologies such as AI and space exploration and cultural… | ||
| Saving Time With Amazon Q Developer | Faye Ellis | 42m |
Demos show the Amazon Q Developer CLI executing shell and AWS CLI commands, writing CloudFormation templates that successfully deploy, stopping an Amazon… | ||
| Production Detectives: Solve the Case Before the Crash | Sébastien Ferrer | 40m |
Practical guidance on diagnosing and fixing production incidents quickly using concrete troubleshooting practices, logging and monitoring tools, and an… | ||
| Let's Play Factorio | Julien Wittouck | 47m |
A live demonstration inside the game Factorio that maps programming and operations concepts to in-game factory design. It uses Factorio to illustrate software… | ||
| From OpenID Connect to OpenID AuthZEN | François Eckert | 15m |
Overview of modern access-control models and standards: explains RBAC, ABAC, and ReBAC and compares policy languages and systems such as Rego, XACML, Google… | ||
| From Flatcar Development to ProxmoxVE Deployment — An Example of Open and Sustainable Collaboration | Alexandre Buisine, Mathieu Tortuyaux | 40m |
Flatcar, a Linux OS for running containers and Kubernetes, gained Proxmox VE support through contributions from Enix. The talk explains the technical work and… | ||
| Biomimicry and Cybersecurity: Borrowing 3 Billion Years of Evolution to Better Protect Ourselves | Ludovic Lefebvre | 50m |
The talk examines how biological defense and resilience strategies — like adaptive immunity, camouflage, decentralization and coevolution — can inspire… | ||
| Resurrect Your Presentations as Blog Posts with AWS Amplify Gen 2 and Amazon Bedrock | Adrien Lebret | 42m |
A presenter explains how they built the AWS Blog Post Generator, a full‑stack app using AWS Amplify Gen 2, TypeScript, React and infrastructure-as-code that… | ||
| Make Your SQL Queries 10,000x Faster, for Good | Alain Lesage | 45m |
PostgreSQL internals and practical tuning to make SQL queries dramatically faster and stable in production. Covers the database engine’s constraints, which… | ||
| From RAG to Riches: Secrets of Data-Augmented LLMs | Laurent Mangin | 53m |
Explains Retrieval-Augmented Generation (RAG) as combining large language models with traditional search, and examines practical promises and pitfalls like… | ||
| The Developer RenAIssance: The Humans Powering the Age of AI | Kate Smith | 40m |
Argues that AI automates rote coding but increases systemic complexity, citing Stack Overflow data that 67% of developers must fix AI‑generated code and… | ||
| AI right in the browser with Chrome's built-in AI APIs | Thomas Steiner | 24m |
Demo shows Chrome running Gemini Nano locally with no network requests, using built-in AI APIs for language detection, streaming translation, and summarization… | ||
| OSINT: The Art of Finding What Shouldn't Be Found | Marie Viley | 17m |
Introduces OSINT (Open Source Intelligence) techniques and tools for collecting and correlating publicly available information; covers practical methods to… | ||
| OpenRewrite: Refactor as Code | Jérôme Tama | 50m |
OpenRewrite is presented as a refactoring-as-code toolkit for automating and sharing code migrations and refactorings (examples: JUnit4→JUnit5, Spring Boot… | ||
| Don't Leave Your Production Data Lying Around: Anonymize It with DbToolsBundle! | Pierre Rineau, Simon Mellerin | 32m |
DbToolsBundle is a PHP component (usable in any Docker stack) that automates production-data anonymization and database management to avoid keeping raw prod… | ||
| Notifications: Stakes and Possible Solutions | Flora Brochier | 15m |
Examines how mobile notifications shape attention and user habits, reviewing current smartphone notification usage and settings. Presents practical solution… | ||
| The future of routing with the Navigation API | Eduardo San Martin Morote | 41m |
Argues that the Navigation API replaces the old History API with concrete features: a navigate() function that returns a promise, a cancellable navigate event… | ||
| An Intro to eBPF with Go : The Foundation of Modern Kubernetes Networking | Donia Chaiehloudj | 23m |
eBPF lets tiny C programs run inside the kernel, verified and sandboxed so the kernel never crashes, and Go plus cilium/ebpf compiles, loads and links them… | ||
| Making an Emulator in JavaScript? | Sara Vieira | 32m |
Builds a CHIP-8 emulator in JavaScript that actually runs and beeps, implementing a 64x32 monochrome display via Canvas 64x32 monochrome and a single-tone… | ||
| How We Turned Les Restos du Coeur into a Cloud Provider | Julien Briault | 46m |
A volunteer group built a private cloud for the Restos du Cœur to reduce costs and increase efficiency, using Kubernetes and OpenStack to provide scalability… | ||
| Breaking AI: Live coding and hacking applications with Generative AI | Brian Vermeer | 46m |
Live code builds a Spring Boot coffee-shop app with GitHub Copilot and ChatGPT, then deliberately weaponizes the generated output: Copilot produces a raw SQL… | ||
| Intelligent Agents, the New Frontier of LLMs | Guillaume Laforge | 50m |
Defines what makes a system an “agent” versus a plain LLM, outlines LLM limitations, and demonstrates building concrete agents in Java using LangChain4j and… | ||
| Abracadabra! Bring Your Ideas to Life with Google AI Studio | Guillaume Vernade | 49m |
Introduces Google AI Studio and the Gemini models as generative-AI tools for creators. Demonstrates, in under 30 minutes, practical workflows to generate a… | ||
| Can Sir LynxJS Dethrone Lord React Native and the Duke of Flutter? | Simon Bernardin | 17m |
Introduces LynxJS, TikTok’s new cross-platform mobile framework for Android, iOS and web, and compares it to mature alternatives React Native and Flutter… | ||
| A Guided Journey Through the Land of Inaccessibility | Thanh Lan Doublier | 16m |
A presentation about digital and everyday inaccessibility that contrasts physical accessibility measures (like wheelchair access) with what true accessibility… | ||
| Karpenter * Keda: The Winning FinOps Duo | Guillaume Membré, Sébastien Fourreau | 46m |
Describes using KEDA to autoscale application instances based on user activity and time-of-day on AWS EKS, and Karpenter to right-size Kubernetes nodes for… | ||
| Revolutionize Your Note-Taking: From Bullet Journal to Obsidian | Hoani Cross | 47m |
A personal walkthrough of moving from Bullet Journal paper notes to an Obsidian-based digital system, explaining how daily note-taking and future planning are… | ||
| Once Upon a Time... Modular Monolith: The Quest for the Perfect Architecture | Thomas Piscitelli | 45m |
The talk explains the modular monolith (modulith) approach as an alternative to microservices, focusing on Spring Modulith as the concrete technology. It shows… | ||
| Select it! Styling new HTML UI capabilities | Brecht De Ruyte | 44m |
Customizable selects are usable today by opting in with appearance: base-select (Chromium only) and they expose pseudo elements like picker-icon and… | ||
| Optimizing Legacy Web UIs Inside a AAA Game Engine | Cédric Chariere Fiedler, Clément Grégoire | 43m |
How to make legacy Web UIs run smoothly inside a AAA game engine (Flight Simulator 2024) by profiling WebKit and JS to find bottlenecks, fixing memory leaks so… | ||
| Designing a Video Game AI with Reinforcement Learning | Vincent Ogloblinsky | 24m |
Design of a video-game AI for a turn-based flicking/puck game using reinforcement learning, implemented with an Actor-Critic architecture (two neural networks… | ||
| In JavaScript There’s a Package for Everything… and Often for Nothing | Estéban Soubiran | 14m |
The talk presents the e18e (Ecosystem Performance) initiative to clean and optimize the JavaScript ecosystem by identifying and removing unnecessary… | ||
| Building Offline AI Agents in Your Mobile App | Sasha Denisov | 48m |
Shows how full offline agents run on modern phones and browsers using Google’s Gemma family (including Gemma 3 and the tiny Gemma free nano), MediaPipe for… | ||
| 45 Minutes to Bring Your App to Its Knees: The Complete Guide to Load Testing | Mathilde Lorrain, Loïc Ortola | 49m |
This talk explains how to design and run load tests for complex distributed applications (microservices) with components like databases, APIs and SSO… | ||
| Limits, Requests, QoS... Rethinking What You Thought You Knew About Scheduling in Kubernetes | Denis Germain, Quentin JOLY | 40m |
Explains how Kubernetes scheduling and resource controls work by examining Limits, Requests, QoS classes, and PriorityClasses. Covers what happens when cluster… | ||
| Once Upon a Vulnerability: Building Resilience in a Chaotic World | Julien Crestin, Vincent Daligault | 41m |
Explains failure domains and how to design resilient distributed systems using concrete practices from Datadog: identify weak points, partition failures, and… | ||
| How a Unicorn Migrated From an In-House Solution to Helm | Mey Beisaron | 43m |
Migrates 400+ services from an in‑house Python CloudFormation generator into Helm, keeping AWS EKS, Argo CD and Jenkins pipelines (images to ECR, charts to… | ||
| JBang, a Java File to Rule Them All? 💍 | Stéphane Philippart | 20m |
JBang lets Java developers write and run a single Java file (including external dependencies) instantly, avoiding project scaffolding, Maven/Gradle setup, and… | ||
| Beautifying QR Codes in the Age of GenAI | Raphaël Semeteys | 24m |
Explains how generative AI tools (Stable Diffusion and ComfyUI) can be used locally on a PC to create visually enhanced, still-functional QR codes. Covers the… | ||
| Design First: OpenApi and AsyncApi in Action! | Philippe Bousquet | 47m |
The talk explains using a Design-First workflow with OpenAPI for synchronous REST APIs and AsyncAPI for event-driven/asynchronous architectures. It shows, via… | ||
| Optimizing third parties in frameworks with DX | Julien Huang | 50m |
Most sites load third‑party scripts and the talk shows concrete risks and fixes: 94.6% of sites use third parties, and a polyfill takeover redirected over 380… | ||
| Quantum Computing in Practice: Where We Are, What Works, and What’s Next | Lennart Gundelach, Florent Houbart | 41m |
Current capability: analog annealers and neutral‑atom QPUs solve optimization subproblems today, but they rarely beat tuned classical heuristics. Demo uses… | ||
| Achievement Unlocked: Making Your Video Game Accessible | Noëlie Roux | 46m |
Practical guidance on making video games accessible by using concrete solutions such as adapted controllers, visual filters, and cognitive adjustments to… | ||
| When the Terminal Devours the UI: TUI for Everyone! | Thierry Chantier | 50m |
Shows how Textual User Interfaces (TUI) can replace heavy GUIs by enriching command-line apps with interactive, intuitive text-based interfaces. Demonstrates… | ||
| Silence... Action! From Eco-Volunteering to Promoting My Side Project in Australia | Nicolas Guillot | 22m |
A mobile developer’s eco-volunteering on Tetiaroa led to the side project app “We Spot Turtles!”, which tracked sea turtle nesting sites and later gained… | ||
| Untangling Real Products and Hallucinations: Postmortem of a Sock-Finding Call Agent | Marie Terrier | 21m |
A team built a voice-only phone agent that lets pharmacists order hard-to-pronounce medical hosiery by combining large language models with structured agent… | ||
| Teaser After Movie | 01m | |
A short promotional after-movie capturing highlights and emotional moments from DevFest Nantes, filmed and edited by Tristan Gouérou. It presents a magical… | ||
| Teaser | Nicolas Cocaud, Luiza Laffitte | 01m |
Silence en bibliothèque ? 🤫 Pas cette fois ! 📚
Dans 1 petit mois, les héros de contes et légendes sortent des pages pour envahir le DevFest Nantes 2025… | ||
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