Principal Embedded Software Developer — Cryptographic Libraries / Post-Quantum

European Tech Recruit; Vlaams-Brabant; On-site; EUR 110,000 - 150,000; Full time

Job summary

European Tech Recruit seeks a Principal Embedded Software Developer to build cryptographic libraries and protect systems from advanced threats. The role is based in Graz, Austria or Leuven, Belgium, offering a permanent position within a global industrial security team.

Responsibilities include leading cryptographic development, implementing PQC, and coordinating with security architects to ensure secure integration and certification readiness.

Qualifications

• 10+ years of cryptography and embedded security experience.
• Strong implementation experience with cryptographic primitives.
• Experience with Post-Quantum Cryptography and/or Rust is a plus.
• Solid embedded C/Assembly development on ARM Cortex‑M or RISC‑V.

Responsibilities

• Specify and implement cryptographic algorithms across platforms, including PQC.
• Design and specify software countermeasures against SCA and FI attacks.
• Provide technical leadership for cryptographic domains and architectural decisions.
• Collaborate with security architects, OS/firmware teams, and evaluation teams for secure product integration.
• Drive product certification activities and support security evaluations.

Skills

Cryptography

Embedded security

C

Assembly

ARM Cortex-M

RISC-V

Post-Quantum Cryptography

Rust

Debugging

Job description

Principal Embedded Software Developer — Cryptographic Libraries / Post-Quantum

We are partnered with a global leader in the semiconductor industry. The team is looking to hire a Principal Embedded Software Developer to join one of the world's largest industrial security teams, building and protecting state-of-the-art cryptographic libraries.

This is a permanent opportunity based in Graz, Austria or Leuven, Belgium.

Key responsibilities for this Principal Embedded Software Developer position:

• Specify and implement cryptographic algorithms across platforms, including Post-Quantum Cryptography (PQC).
• Design and specify software countermeasures against Side-Channel Analysis (SCA) and Fault Injection (FI) attacks.
• Provide technical leadership for cryptographic domains, driving architectural decisions and domain evolution.
• Collaborate with security architects, OS/firmware teams, and internal evaluation teams to ensure secure product integration.
• Drive product certification activities and support security evaluations.

Key requirements:

• 10+ years of industry experience in cryptography and embedded security.
• Strong implementation experience with cryptographic primitives.
• Solid embedded software development skills in C and Assembly with strong knowledge of ARM Cortex-M and/or RISC-V microcontroller architecture.
• Knowledge of hardware and software countermeasures against SCA and fault-injection attacks.
• Experience in Post-Quantum Cryptography and/or Rust a plus.
• Strong debugging, analysis, and technical leadership skills.

Keywords: Embedded Software / Cryptography / Post-Quantum Cryptography / PQC / Side-Channel Analysis / SCA / Fault Injection / ECC / RSA / AES / SHA / ARM Cortex-M / RISC-V / Embedded Security / C / Assembly / Rust / Semiconductor / Graz / Leuven / Permanent