Nao Labs (Open-Source Analytics Agent, YC X25) Is Hiring

Summary

Founding software engineer — Build the future of data teams experience. Location: Paris 11, France Hello, we're nao Labs We are building an open-source AI agent for data analytics. We are an early stage start-up with 2 cofounders - we joined Y Combinator Spring 2025 batch and STATION F and are now based in Paris 11. We already have a first product - AI IDE for data people - used by 100+ data teams. We are now rolling out a new product - the open source analytics agent. So we’re looking for a founding engineer to help us build it! We are a cofounding team with 18+ years experience in data/AI: Claire, our CEO, was Data Scientist at BCG Gamma, then head of data at sunday Christophe, our CTO, was staff Data Engineer at FreeNow, then worked as a freelance for Blablacar, Qonto. He then created his own blog and data community, blef.fr We're looking for As a founding engineer, you'll join us to inventing a new, better way to work on data with AI. You will be a fit if... You’ve already built and shipped a real product end-to-end You have hands-on experience building agentic systems You have strong product instinct: you care about UX & design quality You want to join an early-stage startup and build tech and team from scratch You’re ready to work independently, ship fast and 80/20, make decisions, and own outcomes. As we will be a small team of 4 people, we like to have everyone bring the most they can to the product. So we’ll work as a team on tech/product roadmap, and you’ll be fully included in the sales/business strategy as well. You will Own and build across the entire stack — frontend, backend, and AI features Design and ship core systems powering nao, including agentic workflows for data work and intuitive UIs for chat-based analytics Shape product roadmap by turning user feedback and company goals into technical and product decisions. Work in a small, fast-moving team, collaborating daily with the founders to invent how data teams use AI to work better and faster. Bui...