Senior Cryptography Engineer - C developper
Cryptonext Security is hiring for Senior Cryptography Engineer - C developper in Paris, Île-de-France, France. Senior level. First seen August 9, 2026; open as of November 5, 2026. Jobs taken straight from company career pages — no aggregator in between.
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- Company
- Cryptonext Security
- Where
- Paris, Île-de-France, France
- Level
- Senior
- First seen
- August 9, 2026
- Listed via
- Workable
What the posting says
This role sits at the intersection of cryptography, low-level C engineering and embedded/hardware design. On a daily basis, you will • Design and implement efficient C code for post-quantum cryptographic algorithms (NIST-selected or recommended by EU agencies), balancing performance, portability and security. • Port and optimize the CryptoNext Quantum Safe Library (C-QSL) across multiple platforms and architectures • Adapt implementations for constrained and embedded environments (e.g., IoT, Cortex-M, embedded Linux). • Define and run test and validation strategies (functional, performance,…
Read more and apply on Cryptonext Security's site
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