UX/UI Designer - Design System & Product (Alternance)

We're looking for an apprentice UX/UI Designer to join our product team and contribute to the design of complex, high-impact interfaces. You'll work alongside designers and Product Managers, with a clear product rhythm: three major releases per year and monthly preview releases to test innovations with real users., * Manage and evolve our design system in Figma: documentation, components, and design tokens.

• Design new features with rapid iteration based on real user feedback.
• Review the graphical quality of developed elements (UI acceptance).
• Monitor front-end integration, working closely with front-end developers.
• Participate in preparing and facilitating user tests with our product and scientific teams., * A supportive environment to grow, guided by an experienced team.
• Concrete, meaningful projects with real user feedback.
• A flexible position: offices in Montpellier (34000) or Paris (92260), with remote work available.
• A mission that matters: making a tangible impact on personalized medicine.

Do you have experience in React?, Do you have a Master's degree?, * Student in design Master's or equivalent, ideally from École de design Nantes Atlantique, Strate, ENSCI, or similar.

• Comfortable with Figma, rigorous, and attentive to interface details.
• English required: minimum B2, written and spoken (our team is partially international).
• A genuine interest in front-end development (HTML/CSS, React, Angular) is a real plus.

Meal vouchers; Team-building events; Wellness days; Advantageous health insurance; Public holiday bridges; Holiday and performance bonuses., Salary based on the French apprenticeship pay scale in effect at the time of contract signing, calculated as a percentage of the minimum wage (SMIC) according to the apprentice's age and degree level. The Syntec Collective Bargaining Agreement rate applies if more favorable.

SeqOne is a leading and fast-growing clinical genomics company committed to making personalized medicine a reality for every patient. Our AI-powered NGS platform and expert services help molecular laboratories turn genomic data into clinical answers faster, supporting variant interpretation and reporting across rare and inherited diseases, oncology, preventive genomics, and infectious diseases. Founded in 2017, SeqOne is IVDR certified and used by public and private labs and national genomic programs in over 35 countries. We've grown from 80 to 130+ employees since 2025, following the strategic acquisitions of Congenica and Life & Soft, and are backed by Supernova Invest, Elaia, Omnes, and Mérieux Equity Partners. We offer a hybrid, hub-based work model and trust people to do their best work where they are most effective, while making a point of coming together in person several times a year. Our approach is guided by four core values: * Customer Pulse: Understanding and solving our clients' challenges, as their work directly impacts patients' lives. * Excellence Explorers: Continuously improving our products, processes, and services. * Unstoppable Positivity: Finding solutions with optimism and an opportunity-driven approach. * Open Heart, Hands-On: Fostering mutual support, humility, and transparency to succeed collectively.