U-Boot Porting Engineer Fully Remote)

X4 Life Sciences; City Of London; Remote; GBP 78,000 - 140,000; Full time

Job summary

X4 Life Sciences is helping an industry‑leading semiconductor client hire a senior Embedded Engineer for a long‑term contract. The role is fully remote across Europe, focusing on U‑Boot and trusted firmware bootloader work for Cortex‑A MPU.

You will port U‑Boot, develop Bootloader layers (BL2/BL3) on Cortex‑A, contribute upstream, and support BSP/Device Tree and embedded Linux. Start is January; Outside IR35; one‑stage Teams interview.

Qualifications

• Senior embedded engineer with strong low-level development background.
• Proven experience porting U-Boot and bootloaders.
• Experience with Cortex-A MPU platforms.
• Familiarity with open-source upstream processes.
• Experience with BSP, Device Tree and embedded Linux.

Responsibilities

• Port and bring up U-Boot on a new SoC across the boot chain.
• Develop U-Boot/TF-A bootloaders (BL2/BL3) for Cortex-A.
• Contribute changes upstream through Open Source processes.
• Support Linux BSPs, Device Tree and embedded Linux on the platform.

Skills

Embedded C

Bootloader development

U-Boot

ARM TF-A

Open-source upstream

Device Tree

Yocto

Linux kernel debugging

Hardware bring-up

Tools

U-Boot

ARM TF-A

Device Tree

Yocto

Linux kernel

Embedded Linux

BSP development

Job description

U-Boot Porting / Cortex-A | Remote Europe | Outside IR35

An industry-leading semiconductor client is looking for a senior, experienced Embedded Engineer for a long-term contract, working fully from home (you can work from anywhere in Europe), on U-Boot and trusted firmware bootloader development for a next-generation high-end Cortex-A MPU.

This is genuine low-level bootloader / firmware work - not application-level Linux or straightforward integration. Ideal for someone who enjoys working close to the hardware and has real porting experience.

The opportunity

Fully remote - work from anywhere in Europe

Long-term contract - targeting a start from early January

Outside IR35

Competitive day rate

One-stage interview process (Teams)

Work directly on a next-generation SoC and boot platform

What you’ll be doing

• Porting and bringing up U-Boot on a new SoC, working across the boot chain from early hardware bring-up
• U-Boot and/or Arm TF-A bootloader development (BL2 / BL3) on high-end Cortex-A / MPU architectures
• Contributing changes upstream through open-source processes
• Supporting the platform with BSP, Device Tree and embedded Linux work

The client is particularly interested in engineers with experience in:

• Embedded C and low-level development
• U-Boot and/or ARM TF-A bootloader development
• Open-source upstream processes
• Cortex-A / high-end MPU architectures - Renesas RZ or similar platforms
• Linux BSPs, Device Tree and embedded Linux
• Yocto and Linux kernel debugging
• Hardware bring-up and debug