Senior Embedded Software Engineer | Hybrid HighReliability

X4 Technology; Southampton; Hybrid; GBP 45,000 - 75,000; Full time

Benefits offered by this job

7% pension

Bupa health insurance

Shares

1 extra holiday day per year

Job summary

X4 Technology is seeking a Senior Embedded Software Engineer for a hybrid role in Southampton, combining on-site and remote work two days per week. You will develop and maintain embedded software in C/C++, design and test software for high‑reliability systems, and collaborate with hardware, FPGA and systems teams across the full lifecycle.

The position offers up to £75,000 with pension, private healthcare, employee shares, and benefits, reflecting experience in defence, aerospace or automotive

Qualifications

• Experience in embedded software development across C/C++ in Linux environments.
• Strong understanding of OO design, SOLID principles and patterns.
• Proven ability to develop and test software across the full lifecycle.

Responsibilities

• Develop and maintain embedded software in C/C++ for high‑reliability systems.
• Design, test and integrate software across complex embedded platforms.
• Collaborate with hardware, FPGA and systems engineering teams.

Skills

Embedded Software Development

C/C++

Linux environments

OOD/SOLID

Unit testing

CAN

RS232/RS422

UDP/TCP/IP

MATLAB/Simulink

OpenGL/Vulkan

CUDA/OpenCL

FPGA/HDL

Video processing/ML

Defence/High‑reliability industries

Job description

X4 Technology is seeking a Senior Embedded Software Engineer for a hybrid role in Southampton, combining on-site and remote work two days per week. You will develop and maintain embedded software in C/C++, design and test software for high‑reliability systems, and collaborate with hardware, FPGA and systems teams across the full lifecycle.

The position offers up to £75,000 with pension, private healthcare, employee shares, and benefits, reflecting experience in defence, aerospace or automotive