Why Lucis

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

We already serve 1000+ of users in 🇫🇷, 🇵🇹 and 🇬🇧 and are integrating with dozens of lab partners.

Team of passionate and 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, biohackers.

We’re growing extremely fast (10% week over week) and scaling to empower more Europeans to take control of their health.

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

As our first founding designer, you'll shape both product and brand strategy, and design systems from the ground up, reporting directly to our CTO with significant input on the product roadmap.

On the day-to-day, you’ll:

Own the end-to-end design process from user research and ideation to high-fidelity mockups and implementation.
Create intuitive interfaces that transform complex health data into actionable insights.
Design and develop our product design system, establishing patterns and components that can scale.
Collaborate closely with engineering and product teams to ensure seamless implementation of designs.
Conduct user testing to validate design decisions and identify opportunities for improvement.
Build features that foster community engagement and support among users.
Help define product strategy based on user needs and business objectives.
Ensure our consumer brand remains consistent across the company materials and communication channels.
Work with the GTM team on the website and marketing materials.