Founding Software Engineer (YC Startup) jobs in United States
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nao Labs (YC X25) · 1 day ago

Founding Software Engineer (YC Startup)

positionSan Francisco, CA
timeFull-time
remoteHybrid
seniorityMid Level
date3+ years exp

Nao Labs is an early-stage startup focused on developing an open-source AI agent for data analytics. They are seeking a founding software engineer to help build and ship their new product while collaborating closely with the cofounders and contributing to both technical and product decisions.

AnalyticsDeveloper ToolsGenerative AISoftware

Responsibilities

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

Qualification

ReactNode.jsPythonTypescriptAgentic systemsUX designEntrepreneurial mindsetAutonomousCuriosity

Required

You've already built and shipped a real product end-to-end
You already have 3+ years experience in a start-up or scale-up environment
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
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

Benefits

Competitive salary
Early equity

Company

nao Labs (YC X25)

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company-logo
We are creating the best AI code editing experience for data workers, removing the need of context switching between tools while still working on your computer, in your IDE.
dateFounded in 2024
location
Clichy, Ile-de-France, FRA
people-size2-10 employees
web-link
https://getnao.io/

Funding

Current Stage
Early Stage
Total Funding
$0.5M
Key Investors
Y Combinator
2025-06-11Pre Seed· $0.5M
Company data provided by crunchbase