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# Firmware Developer

- **Company:** Fort Recruitment
- **Location:** Crosby, UK
- **Salary:** £55,000.0 - £60,000.0
- **Contract:** Permanent contract
- **Skills:** Board Bringup, ARM Architecture, Boolean Algebra, C++ (Programming Language), Code Review, Concurrent Computing, Software Debugging, Memory Management, Embedded Software, Ethernet, Firmware, FreeRTOS, Real-Time Operating Systems, Release Management, Software Engineering, Systems Integration, TCP/IP, Transmission Control Protocol (TCP), Universal Asynchronous Receiver/Transmitter, Data Logging, Multithreading, Digital Access Carrier System, Serial Peripheral Interface, Git, Hardware Debugging
- **Published:** September 30, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5902754741

## About the Role

* Strong proficiency in C
 * Commercial experience developing embedded firmware
 * Experience with ARM Cortex-M0 and/or Cortex-M4 microcontrollers
 * Experience with FreeRTOS or a comparable real-time operating system
 * Solid understanding of multithreaded and concurrent programming
 * Experience with UART, SPI, I2C, and Ethernet
 * Experience working with ADCs, DACs, timers, DMA, interrupts, and other MCU peripherals
 * Understanding of TCP/IP networking
 * Experience using the lwIP library or a comparable embedded TCP/IP stack
 * Ability to debug firmware using hardware debugging tools
 * Ability to optimize firmware for execution speed, memory usage, and power consumption
 * Practical understanding of electronic components, including resistors, capacitors, MOSFETs, operational amplifiers, ADCs, DACs, and digital logic ICs
 * Ability to read and understand electrical schematics
 * Experience using oscilloscopes, multimeters, and signal generators
 * Professional experience with Git

## Description

* Design, develop, test, and maintain embedded firmware in C
 * Develop software for ARM Cortex-M0 and Cortex-M4 microcontrollers
 * Build and maintain applications running on FreeRTOS, including reliable multithreaded and event-driven firmware
 * Implement and debug communication interfaces, including UART, SPI, I2C, and Ethernet
 * Work with MCU peripherals such as ADCs, DACs, timers, interrupts, watchdogs, and DMA
 * Integrate and maintain TCP/IP networking using the lwIP stack
 * Perform hardware bring-up and debug interactions between firmware and electronics
 * Analyze and resolve timing, memory, performance, and stability issues
 * Optimize firmware for execution speed, memory consumption, and power consumption
 * Develop diagnostics, logging, firmware update, and fault-handling mechanisms
 * Read electrical schematics and collaborate with hardware engineers
 * Use laboratory equipment, including oscilloscopes, multimeters, and signal generators, during development and troubleshooting
 * Participate in code reviews and maintain firmware development standards
 * Use Git for branching, merging, release management, and collaborative development
 * Support system integration, validation, manufacturing, and field troubleshooting
 * Create and maintain technical documentation

Technologies:

 * ARM
 * Embedded
 * Ethernet
 * Firmware
 * FreeRTOS
 * Git
 * Hardware
 * Support
 * TCP/IP
 * C++


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