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Senior Cryptography Engineer

ShareID is hiring!

About

ShareID delivers real-time, secure authentication using official ID documents and a simple smile. Our AI-powered solution verifies IDs from over 120 countries with 99.9% accuracy, confirms document ownership, and ensures user liveness—without storing personal data. With our patented technology, users get a reusable digital identity and ongoing access to verifiable credentials.

Our mission is to transform authentication by making it seamless, trustworthy, and user-friendly.

Founded at Station F by Sara, a financial engineer with 9+ years in regulatory risk, and Sawsen, a PhD in computer vision with experience at Cisco’s Innovation Lab, ShareID combines deep expertise in security, AI, and digital identity.

Job Description

We are seeking a Senior Cryptography Engineer with in-depth experience in homomorphic encryption, secure computation protocols, and applied cryptography. You’ll work at the intersection of research and engineering, turning theory into production-grade systems for secure data analytics and confidential infrastructure.

Preferred Experience

  • Ph.D. or Master’s in Cryptography, Computer Science, Applied Mathematics, or equivalent.

  • Proven publication track record in homomorphic encryption, secure protocols, or related fields.

  • Hands-on experience with cryptographic libraries: SEAL, HElib, PALISADE, Lattigo, or similar.

  • Strong programming experience in C++, Rust, Go, or Python.

  • Familiarity with privacy-preserving ML techniques

What We Offer

  • Opportunity to shape the future of confidential computing and privacy-enhancing tech.

  • Collaborate with top-tier ML engineers.

  • Flexible, inclusive culture with strong support for remote work.

  • Competitive, equity-based compensation and R&D budget for travel/conferences.

Additional Information

  • Contract Type: Full-Time
  • Location: Paris
  • Occasional remote authorized
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