Cryptography Engineer
Yubico Inc. · Stockholm
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- Company
- Yubico Inc.
- Location
- Stockholm
- Posted
- February 4, 2026
About this job
Tasks & Responsibilities: Implement, maintain and optimize cryptographic algorithms and primitives (e.g. encryption, hashing, digital signatures, key exchanges) that run on YubiKeys and YubiHSMs Follow research about classical algorithms (RSA, ECC, etc.), as well as Post Quantum Cryptography algorithms (ML-DSA, ML-KEM, etc.) Basic Qualifications: Ability to follow research in cryptography Good understanding of classical (a)symmetric cryptography and PQC Knowledge of side-channel attacks (EM, power and timing analysis etc.) and mitigations against them Disciplined approach in writing correct and highly efficient code Preferred Qualifications: Low level programming experience (C and Assembly) Experience with embedded architectures Ability to adapt and tune algorithms on resource constrained…
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