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Firmware Engineer

Stockholm💼 Full-time🗓 2026-08-24 → 2026-09-29

Core

Develop, design, and test firmware features for hardware security products like YubiKey and YubiHSM, implementing cryptographic protocols and building libraries for higher-level applications.

Role type

Firmware Engineer (Hardware Security)

Builds

Firmware for hardware security tokens and HSMs, cryptographic libraries, and system integrations

Domain

Cybersecurity, Hardware Security, Cryptography

Required skills

Cryptography and security protocols, Embedded C programming, Microcontroller development, Linux development, Open source software integration

Preferred skills

Smart card technology, PKCS#11, Python, Git CLI

Technologies

C, Linux, Python, Git, PKCS#11

Responsibilities

Develop and test new firmware features for YubiKey and YubiHSM; Write libraries to expose features to applications; Develop integrations with existing systems

Seniority

Mid-level, hands-on IC

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