Why Lucis

Lucis is building Europe's first preventive health platform: from blood testing to advanced AI-driven insights and action plans.

We already serve 4,000+ paying members in 🇫🇷, 🇵🇹 and 🇬🇧, growing 10% week over week, and integrating with dozens of lab partners.

Team of ~17 passionate, tier-1 operators
Backed by YC X25 and a seed round led by tier-1 investors, athletes & operators
A live AI "doctor" agent already shipping actionable protocols every day

We're a small, ambitious team of repeat founders and biohackers.

Our founding team members include ex Algolia, ex Padoa, ex Instacart, ex Alan, with experience scaling companies from 0 to millions of users.

Paris-based and YC-backed (X25), we're funded by a top-tier global VC, a specialised healthcare fund, athletes, and serial entrepreneurs, including the founders of Airbyte, Strapi, Sqreen, WePay, Plato, Veepee, and Zenly.

Our story - How it started

The role

We’re looking for an AI & data engineer, engineer at heart, with entrepreneurial DNA and early stage 0→1 experience. It’s a plus if you are passionate about digital health and longevity.

You’ll shape our functional AI agents that could add healthy years to millions of lives:

Own our AI agents doctor built on top of large language model, our vectorized infrastructure and thousand of users data.
Collaborate with our medical team to translate complex clinical requirements into agents, and workflows. Deliver them the tools they need to
Work with our third-party data providers and partners (labs, wearables, etc) to integrate the data and manage.
Solve real-world health data, privacy, and UX puzzles at European scale.

Our company

We are building fast, for the long term.

Rigor without ego: audits, science, and code deserve the same high bar.
Default to action: small PRs, short feedback loops.
Radical ownership: you break it, you fix it (and write the doc).
Play long games: we’re building a 100-year company to help people live 100 healthy years.

More about the company 🔗