Senior Embedded Robotics Firmware Engineer

SPT Labtech; Cambridge; On-site; GBP 75,000 - 110,000; Full time

Benefits offered by this job

Private medical insurance

Generous pension plan

Annual discretionary bonus

Job summary

SPT Labtech, based near Cambridge, is seeking a Senior Embedded Software Engineer - Robotics to drive firmware for our robotic instruments. You will design motor and actuator control on ARM Cortex-M, integrate hardware over CAN and Ethernet, and shape the firmware architecture for next-generation laboratory automation.

You will join a multidisciplinary R&D team where software, electronics and mechanics come together in the lab.

Qualifications

• Solid commercial experience in embedded software or firmware development.
• Strong, hands-on C/C++ on ARM microcontrollers (Cortex-M series or similar).
• Demonstrable experience contributing to firmware and system architecture, defining module boundaries and interfaces between components.
• Practical, hands-on experience implementing motor and actuator control in production hardware.
• Track record of integrating third-party or OEM hardware modules into a larger system.
• Confidence working across CAN, Ethernet (TCP/UDP), UART, SPI, I²C and GPIO.
• Working knowledge of C# .NET for device-facing PC-side code.
• Exposure to RTOS environments and standard embedded debugging tools.

Responsibilities

• Design, develop and maintain embedded software in C++ for ARM Cortex-M microcontrollers.
• Implement motor and actuator control across open-loop, closed-loop and hybrid schemes.
• Integrate OEM and third-party modules over CAN, Ethernet, UART, SPI, I²C and GPIO.
• Shape firmware and system architecture: module boundaries and interfaces.
• Contribute to the PC-side C# .NET code.
• Implement signal acquisition and conditioning for sensors and transducers.
• Build reliability: diagnostics, recovery, watchdogs and self-test.
• Troubleshoot and debug embedded software, hardware interfaces and robotics issues.
• Provide technical leadership and mentoring to junior engineers.

Skills

Embedded software

C++ on ARM Cortex-M

CAN & Ethernet communication

RTOS experience

Unit testing CI Git

Debugging tools

System architecture

C# .NET experience

Education

Degree in electronics/computer science

Tools

CAN bus tooling

GCC

JTAG/SWD debugging

Job description

SPT Labtech, based near Cambridge, is seeking a Senior Embedded Software Engineer - Robotics to drive firmware for our robotic instruments. You will design motor and actuator control on ARM Cortex-M, integrate hardware over CAN and Ethernet, and shape the firmware architecture for next-generation laboratory automation.

You will join a multidisciplinary R&D team where software, electronics and mechanics come together in the lab.