Security Software Engineer - Tech Foundations

Scope

• Security core components in the product
  • Authentication – design, build and operate the authentication stack on top of our self-hosted identity provider. Goal: go passwordless with great UX and unblock strategic initiatives.
  • Encryption – build, evolve and operate our end-to-end encryption component used by our Alan Clinic while keeping it delightful and frictionless for members.
• Security platforms
  • Secure file exchange – evolve and operate the secure file exchange platform to unblock product/ops teams while bringing support when relevant.
  • Secure enclave for medical secrecy – contribute to foundations to isolate and protect highly sensitive medical data without sacrificing usability or delivery speed.
• Contribute to reinforce our security engineering practices (fixing security vulnerabilities, CI/CD, SAST/DAST, Infrastructure Security, AI/LLM Security, etc.).

Experience we value

• 3+ years in full‑stack software engineering roles.
• Experience designing and building products, platforms, frameworks or libraries.
• Love turning complex problems into elegant secure solutions.
• Care about creating secure‑by‑design products while keeping delightful experiences.

Mindset we value

• You treat security engineering as product work : engineers and members are your customers, and security should feel effortless.
• You’re an enabler : collaborative, humble, and motivated by helping teams ship safely.
• You’re hands‑on : you write maintainable code, ship to production, and care about reliability, rollouts, and real‑world operability.
• You build reusable patterns : guardrails, libraries, and secure‑by‑default abstractions that prevent vulnerabilities at scale.
• You’re fluent in English (French is a bonus).

Location and Remote Work

• Location : Must be legally eligible to work in France, Belgium, or Spain.
• Remote work : We offer remote work flexibility, but we value in‑person collaboration.

Important note: we hire people, not roles

If you’re excited about this opportunity but don’t check every box, we’d love to hear from you. Everyone, no matter how underrepresented, should feel free to apply, as it can only bring learning or success.

For women: research shows women often apply only when meeting 100% of requirements. This is just a guide, not a checklist.

Perks & Benefits

• Stimulating environment and perks ensuring productivity and high‑quality time with co‑workers.
• Strong culture: people are surprised and delighted by innovative working methods guided by cultural values.