World's Largest Hermes Buildathon | Paris 🇫🇷
​Join the Paris edition of the World’s Largest Hermes Buildathon.
​Backed by OpenAI, Convex, Cloudflare, ElevenLabs, Linkup, Dodo Payments, & Wispr Flow. Proudly presented by GrowthX.
​This is not a regular buildathon. You will build, launch, get users, and chase revenue in 8 hours.
​Who is this for?
​AI-first engineers
​Founders
​Product leads
​Growth engineers
​Forward-deployed engineers
​GTM and growth operators
​Meet Our Partners
​OpenAI is the AI Partner for The World's Largest Hermes Buildathon, empowering builders with access to OpenAI's latest models and platform capabilities to build, test, and deploy real-world AI applications. Thousands of builders across 10 cities and 5 countries will use OpenAI to prototype AI agents on Hermes.
​Convex is the Database Partner, giving builders real-time sync, backend functions, workflows, and vector search so they skip backend plumbing and ship faster.
​Wispr Flow is the Dictation Partner, letting builders dictate prompts, PRDs, docs, and implementation plans far faster than typing. In an 8-hour buildathon, teams move at the speed of thought.
​ElevenLabs is the Voice Partner, giving agents a voice, personality, and real conversational ability through voice cloning, low-latency responses, and multilingual support.
​Cloudflare is the Hosting Partner, taking products from laptop to live in minutes with global deployment, AI Gateway observability, and usage tracking.
​Linkup is the Web Search Partner for The World’s Largest Hermes Buildathon, giving builders real-time web search for AI agents through a single API.
​Dodo Payments is the Payments Partner for The World’s Largest Hermes Buildathon, helping builders start accepting payments in under 5 minutes.
​Meet your hosts
​Satvik Puti
​Satvik Puti is a Product Builder at Stairling, a fintech startup building the financial infrastructure to empower gig economy workers and an Ambassador at Lovable, one of the fastest-growing AI product-building platforms in the world. He sits close to the new wave of AI builders who are using natural language, agents, and AI-native workflows to turn ideas into working products faster than traditional software teams. For founders and builders, Satvik brings a sharp product-builder lens: how to move from idea to prototype, use the right AI tools, and ship something real in a short sprint.
 Meet Our Judges
​Sonakshi Nathak is the Director of Product for GenAI at Blue Yonder, a global supply-chain software company building AI-powered planning and logistics tools for the world's largest retailers and manufacturers, and co-founder of Just Build It.
​Capucine Marteau is an AI Product Manager at Datadog, the cloud observability and security platform that monitors infrastructure and applications for tens of thousands of companies worldwide, where she works on AI-driven detection and alerting, and a Lecturer at ESSEC and CentraleSupélec.
​Maxime Arnulf is the Founder and CEO of Pioneers, a Station F-based accelerator and venture platform that matches ambitious founders, helps them build a product, and backs the best with investment and a Silicon Valley residency to build global tech startups in a matter of months.
​Kabir Sethi is a Co-founder and CTO of Bitstack, Europe's leading Bitcoin savings app and France's #1 in its category, which lets 300,000+ users automatically round up everyday purchases and effortlessly build savings in Bitcoin.
​Meet our Mentors
​Prajwal Dhiwar is a Product Builder and Agentic Coding Practice Lead at Stairling, a fintech startup building the financial infrastructure to turn France's gig-economy VTC drivers into salaried, socially protected employees, where he ships agentic AI products that real businesses trust and monetise.
​Constantin Guay is a Product and agile coach at Stairling, the fintech reinventing the social contract for gig-economy ride-hail drivers, and the author-presenter behind Scrum Life ,the leading French-language YouTube channel on product, agility, Lean and Scrum.
Constance de Cler is a Product Manager at Skello, the European workforce-management SaaS that automates employee scheduling, time-tracking, and HR for shift-based businesses.
​Léo Arsenin is a Solutions Engineer at Cloudflare, the global internet-infrastructure and security company that powers roughly 20% of the web, where he helps startups and scale-ups build secure, production-grade agentic AI, a topic he speaks on at events like GenAI Days Paris and the AWS Summit.
​Théo Deprelle is the Head of Data and AI at Stairling, the fintech startup building financial infrastructure to empower gig-economy workers and holds a PhD in computer vision and deep learning from École des Ponts ParisTech (with past research stints at EPFL and Adobe's Creative Intelligence Lab).