Senior Software Design Engineer

TXM Recruit; Debden; Hybrid; GBP 65,000 - 90,000; Full time

Benefits offered by this job

Hybrid - Flexible working

Equal opportunities employer

Job summary

TXM Recruit is seeking a Senior Software Design Engineer in the United Kingdom to design and develop embedded software for ARM-based platforms using RTOS. You will collaborate with Hardware Engineers to deliver robust, secure systems for next-generation products.

The role requires 5+ years in embedded software, strong C skills, and experience with Zephyr/FreeRTOS and wireless tech such as Bluetooth/Wi‑Fi/Zigbee. Hybrid on-site work is offered with flexible hours.

Qualifications

• 5+ years' embedded software development experience.
• Strong C programming in RTOS environments.
• Experience with Zephyr, FreeRTOS or similar RTOS.
• Experience with Bluetooth, Wi‑Fi or Zigbee wireless tech.
• ARM-based microprocessors and embedded development tools.
• Experience with Git and Linux test environments.
• Understanding of secure software development and encryption.

Responsibilities

• Design and develop embedded software for ARM-based platforms using RTOS.
• Define software requirements, architecture and design specs with hardware teams.
• Debug, test and optimise embedded systems for performance and reliability.
• Maintain documentation covering software design, testing and troubleshooting.
• Support Linux-based application development and test simulations.
• Stay up to date with emerging embedded technologies.

Skills

C programming

RTOS

Wireless tech

ARM architectures

Git

Linux dev

MISRA

Problem solving

Communication

Education

Bachelor's degree in Computer Science or Electronic Engineering

Tools

Zephyr RTOS

FreeRTOS

Linux development tools

Job description

Are you an experienced Embedded Software Engineer with strong C programming and real-time systems experience? Do you have experience working with RTOS, ARM-based platforms and wireless communication technologies?

If so, TXM Recruit are sourcing a Senior Software Design Engineer for an established technology and engineering organisation in the UK. This is a full-time, permanent position with a flexible on-site working model.

Working within the Engineering team and reporting to the Group Technical and Engineering Director, you will design, develop and maintain embedded software for next-generation products, working closely with Hardware Engineers and Solution Consultants to deliver reliable and innovative systems.

Key Responsibilities

• Design and develop embedded software for ARM-based platforms using RTOS technologies such as Zephyr or FreeRTOS.
• Develop and maintain embedded software primarily using C.
• Implement and optimise wireless communication technologies including Bluetooth, Wi-Fi and Zigbee.
• Work with Hardware and Engineering teams to define software requirements, architecture and design specifications.
• Debug, test and optimise embedded systems to ensure performance and reliability.
• Follow software development best practices, with knowledge of MISRA guidelines desirable.
• Maintain clear documentation covering software design, testing and troubleshooting.
• Support Linux-based application development and test simulations.
• Stay up to date with emerging embedded technologies and development practices.

Skills & Experience

• 5+ years' experience in embedded software development.
• Strong C programming experience within an RTOS environment.
• Experience with Zephyr, FreeRTOS or similar RTOS platforms.
• Experience with wireless communication technologies such as Bluetooth, Wi-Fi or Zigbee.
• Knowledge of ARM-based microprocessors and embedded development tools.
• Experience with Git or similar version control systems.
• Knowledge of Linux application development and test environments.
• Understanding of secure software development, encryption and secure communications.
• JavaScript and HTML experience would be advantageous.
• Experience within consumer electronics, IoT or similar embedded systems would be desirable.
• Strong analytical, problem-solving and communication skills.

Qualifications

• Bachelor's degree in Computer Science, Electronic Engineering or a related discipline, or equivalent practical experience.
• Relevant embedded software development experience with a strong focus on C, RTOS and wireless technologies.

Main Details

• Job Title: Senior Software Design Engineer
• Location: United Kingdom
• Contract: Permanent
• Hours of Work: Full Time
• Working Arrangement: Hybrid - Flexible

This is an excellent opportunity to join an innovative engineering environment, working on next-generation embedded products and technologies.

TXM Recruit is an equal opportunities employer. If you have any specific requirements or require assistance or reasonable adjustments to be made for you during the selection process due to disability or long-term health condition, we will do our best to assist you.