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# Senior Firmware Engineer

- **Company:** Assa Abloy
- **Location:** Cardiff, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Unit Testing, C Sharp (Programming Language), C++ (Programming Language), Compilers, Continuous Integration, Software Debugging, Programming Tools, Embedded Software, Firmware, Public Key Infrastructure, Software Product Management, Software Engineering, Systems Integration, Software Version Control
- **Published:** August 9, 2026
- **Apply:** https://eu.experteer.com/career/view-jobs/senior-firmware-engineer-cf10-cardiff-grossbritannien-58859473

## About the Role

Experteer Overview As a Senior Firmware Engineer at HID in Cardiff, you will design and debug embedded firmware for PACS products, delivering secure, testable code and cryptographic functionality. You'll work in a small cross-functional team, balancing multiple products across lifecycle stages and collaborating with onsite and overseas colleagues. Your impact spans design, verification, and sustaining activities in a global security solutions business. The role offers opportunities to shape hardware-software integration and advance authentication technologies. Pay / Benefits * Implement embedded firmware designs and test solutions in C and C# * Develop cryptographic solutions * Create design documentation * Hands-on debugging of embedded systems * Collaborate in a team environment and handle tasks with minimal supervision Tasks * Engineering degree or equivalent or suitable experience * Min 4+ years in related industry * Ability to verify product software requirements * aaaaaa
role and translate stories/user/stakeholder requirements into designs * Provide technical solutions to mid-to-high complexity issues * Strong knowledge of C/C++ and scripting * Experience with low-level development techniques * TDD unit testing approach * Familiar with CI/CD techniques * Experience with software version control * Experience with FW/SW development progress * Proficiency with standard development tools: debuggers, editors, compilers * Understanding of cryptographic solutions including symmetric & PKI asymmetric Key requirements * Competitive salary and rewards package * Competitive benefits and annual leave * Vibrant, inclusive culture * Extensive career development opportunities * Global organization with diverse opportunities * Work-life balance

## Description

Experteer Overview As a Senior Firmware Engineer at HID in Cardiff, you will design and debug embedded firmware for PACS products, delivering secure, testable code and cryptographic functionality. You'll work in a small cross-functional team, balancing multiple products across lifecycle stages and collaborating with onsite and overseas colleagues. Your impact spans design, verification, and sustaining activities in a global security solutions business. The role offers opportunities to shape hardware-software integration and advance authentication technologies. Pay / Benefits * Implement embedded firmware designs and test solutions in C and C# * Develop cryptographic solutions * Create design documentation * Hands-on debugging of embedded systems * Collaborate in a team environment and handle tasks with minimal supervision Tasks * Engineering degree or equivalent or suitable experience * Min 4+ years in related industry * Ability to verify product software requirements * Understand and translate stories/user/stakeholder requirements into designs * Provide technical solutions to mid-to-high complexity issues * Strong knowledge of C/C++ and scripting * Experience with low-level development techniques * TDD unit testing approach * Familiar with CI/CD techniques * Experience with software version control * Experience with FW/SW development progress * Proficiency with standard development tools: debuggers, editors, compilers * Understanding of cryptographic solutions including symmetric & PKI asymmetric Key requirements * Competitive salary and rewards package * Competitive benefits and annual leave * Vibrant, inclusive culture * Extensive career development opportunities * Global organization with diverse opportunities * Work-life balance


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