Firmware Engineer

Job Title: Firmware Engineer

Location: Cardiff (Hybrid – 2 remote days per week)

Salary: £50,000-£55,000 + Bonus

Key Responsibilities

• Design and implement embedded firmware primarily using C
• Develop and integrate cryptographic solutions.
• Produce and maintain clear and accurate design documentation.
• Hands-on debugging and troubleshooting of embedded systems.
• Collaborate in a team environment and work independently when needed.
• Deliver design-related tasks.

Required Knowledge & Experience

• Proven ability to verify and implement software requirements.
• Skilled in interpreting stakeholder/user requirements to create or maintain designs.
• Strong problem-solving abilities in addressing complex technical issues.
• Proficient in low-level programming languages (C) and scripting.
• Experience with TDD (Test-Driven Development) and unit testing.
• Familiarity with CI/CD (Continuous Integration/Continuous Deployment) practices.
• Experience using version control systems (e.g., Git).
• Strong grasp of embedded software development lifecycles and tools including debuggers, compilers, and editors..

Education & Experience

• Degree in Engineering or equivalent, or significant relevant experience.
• Minimum of 4+ years’ experience in embedded systems or a related industry.

Desirable Skills & Experience

• C# OR C++
• Experience with I2C and SPI communication protocols.
• Understanding of USB low-level protocols.
• Experience in cryptographic code development.
• Familiarity with Jenkins automation.
• Use of NUnit or similar testing frameworks.
• Experience with Bluetooth Low Energy (BLE).
• Proficiency in scripting languages (e.g., Python).
• Use of CMock for unit testing.
• Applied experience in implementing cryptographic solutions.