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.
- Build the future of nao tech team with us
You are
- Entrepreneurial — ready to build, ship, and iterate fast
- Autonomous and curious — ready to learn constantly on the newest AI technologies
- Passionate for software engineering and interested in building open source tools.
Tech
The product uses these main technologies:
Front: React, Typescript
Back: node.js, Python
Agentic system: Vercel, OpenAI, Anthropic
Apply
Start Date: Flexible
Compensation: competitive salary + early equity
Location: Mainly on-site in our Paris 11 office. Remote available.
Join us at nao Labs and help shape the future of data work. Let’s build something incredible together!