Senior Firmware Developer — Smartcard & Mobile Credentials (m/f/d)

SimonsVoss Technologies GmbH

Unterföhring, Germany
Not specified; benefits: €30 gross fitness allowan...
Fully remote
C++ embedded firmware development
Arm cortex-m microcontroller experience
Rtos implementation and tasking
You will design and implement C++ application firmware on microcontrollers to unlock the future of digital security with a team of over 550 employees

Job Summary

  • You will design and implement C++ application firmware on microcontrollers to unlock the future of digital security with a team of over 550 employees.
  • The role involves developing application logic for existing and future credential standards including Mifare DESFire and smartphone-based mobile wallets.
  • Employees enjoy a modern tech stack, flexible work arrangements including remote work, and comprehensive benefits like fitness allowances and childcare support.

Matching Summary

You will design and implement C++ application firmware on microcontrollers to unlock the future of digital security with a team of over 550 employees.

Salary

Not specified; Benefits: €30 gross fitness allowance per month; Up to €250 gross childcare allowance per month; Company pension subsidy

Skills & Requirements

Must-have

  • C++ embedded firmware development
  • ARM Cortex-M microcontroller experience
  • RTOS implementation and tasking
  • NFC RFID Mifare DESFire expertise
  • Mobile credential workflows HCE
  • Secure element and SAM integration
  • JTAG/SWD debugging skills

Nice-to-have

  • Zephyr RTOS experience
  • Low-power design techniques
  • Mifare DESFire EVx personalization
  • Access control standards knowledge
  • Security compliance CRA NIST ETSI
  • Git Jira embedded test frameworks
  • German language proficiency

Key Requirements

  • Plus 5 years of embedded firmware experience
  • Strong C++ experience in resource-constrained environments
  • Hands-on RFID/NFC experience with ISO 14443
  • Good German and strong English skills

Work Rights

Not specified

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