A large industrial security companyHiring

Senior Embedded Crypto Software Developer

  • Remote, Romania
  • Senior
  • Posted 3 weeks ago
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In one line

Senior embedded role in a big security team, writing cryptographic libraries in C and Assembly that resist physical and logical attacks.

About the role

The crypto and security group builds libraries used across payment, identification, mobile, IoT, automotive and edge products. Work covers design, implementation and review, with close ties to evaluation, firmware and certification teams.

At a glance

Pay
Not stated in the posting
Remote scope
Remote, Romania
Seniority
Senior
Skills
Assembly, Cryptography, ECC, RSA, AES, ARM Cortex-M, RISC-V
Posted
14 Oct 2026
Last checked
3 Nov 2026

What you will do

  • Specify and implement cryptographic algorithms across platforms, including post-quantum ones
  • Design software countermeasures against side-channel analysis and fault injection, then build them
  • Work with security architects and internal evaluation teams to improve those countermeasures
  • Own technical topics through design, implementation, code review and planning
  • Coordinate with OS and firmware teams so the crypto software integrates cleanly
  • Support product certification and security evaluations

What they look for

  • Five or more years in cryptography and embedded security, with hands-on work on ECC, RSA, AES and SHA-2 or SHA-3
  • Embedded development in C and Assembly, plus knowledge of microcontroller architecture such as ARM Cortex-M or RISC-V
  • Familiarity with hardware and software defenses against side-channel and fault-injection attacks
  • Strong debugging and analysis skills
  • A proactive team player who takes ownership and delivers

Nice to have

  • Experience with post-quantum cryptography
  • Experience with Rust

Benefits

  • Work on cryptographic software for ARM Cortex-M and RISC-V platforms
  • Collaborate with security experts in architecture, evaluation, firmware and certification

A typical week

  • Write and review C and Assembly code for crypto libraries
  • Design and test countermeasures against side-channel and fault attacks
  • Meet architects and evaluation teams about security findings
  • Plan technical work and support certification efforts

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Claude

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Connector URL
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Questions about this job

Can I do this job remotely, and from which countries?

Yes. The posting lists Senior Embedded Crypto Software Developer as a remote role for candidates in Romania.

What does this job pay?

No pay range is stated in the posting.

What experience is needed?

It is a senior role. The posting asks for: five or more years in cryptography and embedded security, with hands-on work on ECC, RSA, AES and SHA-2 or SHA-3; embedded development in C and Assembly, plus knowledge of microcontroller architecture such as ARM Cortex-M or RISC-V; familiarity with hardware and software defenses against side-channel and fault-injection attacks. Skills it names include Assembly, Cryptography, ECC, RSA.

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A large industrial security companyRemote, Romania
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