Principal Firmware Engineer

Principal Embedded Software Engineer / Embedded Software Manager

Salary: Up to £100,000 + Bonus + 7.5% Pension + Free Daily Lunch

Location: Maidstone (Full-time Onsite)

Sector: Advanced Electronic Systems / Real-Time Imaging Technology

A highly innovative engineering company developing complex embedded electronic systems used in precision imaging and high-performance data environments is seeking a Principal Embedded Software Engineer / Embedded Software Manager to join their growing R&D team.

This is a hands-on technical leadership role where you will work close to the hardware, leading embedded software development for sophisticated real-time systems involving high-speed data and video processing .

The position offers the opportunity to influence architecture, mentor engineers, and contribute directly to next-generation technology platforms.

The Role

You will take a lead role in embedded software development , contributing to both architecture and hands-on coding while guiding a small team of engineers.

Typical responsibilities include:

  • Designing and developing embedded software in C/C++
  • Working with ARM / NXP microprocessors
  • Developing software for real-time operating systems (FreeRTOS, Zephyr or similar)
  • Working closely with electronics engineers on complex hardware platforms
  • Supporting high-speed data transfer and real-time video/image processing
  • Integrating multimedia interfaces including HDMI, MIPI, USB and DisplayPort
  • Reviewing schematics, analysing PCB layouts and debugging at bare-metal or RTOS level
  • Providing technical leadership and mentoring to embedded engineers

This is a highly collaborative engineering environment where software engineers work closely with hardware, systems and product teams.

Technical Environment

  • Microprocessors: ARM, NXP
  • RTOS: FreeRTOS (Zephyr or similar also considered)
  • Languages: C, C++
  • Interfaces: HDMI, MIPI, USB, DisplayPort
  • Focus: High-speed data systems & real-time video/image processing

About You

We are looking for engineers who enjoy working close to the hardware and solving complex technical challenges.

You will likely have:

  • Strong embedded C/C++ development experience
  • Experience with RTOS systems (FreeRTOS, Zephyr, or similar)
  • Confidence working at low level with hardware
  • Experience with high-speed data or multimedia interfaces
  • Ability to debug systems using schematics and PCB layouts
  • Previous technical leadership or mentoring experience
  • A passion for building high-performance embedded systems

Experience within regulated engineering environments such as medical, automotive or aerospace is beneficial but not essential.

What’s on Offer

  • Salary up to £100,000
  • Annual performance bonus
  • 7.5% employer pension contribution
  • Free lunch provided every day
  • Work on technically challenging real-world products
  • Opportunity to influence architecture and technology direction
  • Collaborative team of highly experienced engineers

Location

This role is full-time onsite in Surrey , working closely with hardware and product teams in a modern R&D environment.

Apply

If you are an experienced embedded engineer looking for a hands-on leadership role developing advanced embedded systems , we would love to hear from you.

Apply now to discuss the opportunity in confidence.

Job Details

Company
X4 Technology
Location
Maidstone, Kent, UK
Posted