Senior Software Engineer Job London area,Greater London England UK,Software Development

Senior Software Engineer Embedded Linux

We are recruiting on behalf of an established technology business for a Senior Software Engineer to join its UK Development Centre in West London.

This is a senior technical role with end-to-end ownership of software architecture, design, development, and release across complex embedded products. You will act as a technical authority, remaining hands-on while working closely with UK and international engineering teams.

Key Responsibilities

Own the architecture and technical delivery of major embedded software work packages from requirements through to production.
Design and develop production-grade C++ applications on embedded Linux, including custom Yocto/Open Embedded environments.
Define hardware/software partitioning, inter-processor communications, interfaces, fault handling, recovery, and software updates.
Develop embedded networking and communications, including TCP/IP, UDP, QoS, SIP/RTP and VoIP.
Integrate software with external network services, REST APIs, and client applications.
Establish and maintain CI/CD, code review and automated testing using tools including Git Lab, Gerrit and Jenkins.
Lead unit, integration, and hardware-in-the-loop (HIL) testing, supporting product certification and regulatory requirements.
Own software releases, production test software and technical resolution of manufacturing and support issues.
Embed cybersecurity into the architecture, including secure boot, signed updates, access control and vulnerability management.
Lead architecture and design reviews and provide technical mentoring to other engineers.

Required Experience

10+ years' embedded software development experience, with extensive hands-on experience across embedded Linux.
Strong modern C++ development skills, alongside experience with C for firmware/drivers.
Proven experience taking complex, multi-processor embedded products from system requirements through to production release.
Deep practical experience with Yocto Project / Open Embedded.
Strong understanding of software architecture, system integration, and hardware/software interfaces.
Proven technical leadership experience, including architectural ownership and hands-on delivery.
Experience working within regulated, safety-critical or heavily audited engineering environments is highly relevant.
Bachelor's or Master's degree in Software Engineering, Computer Science or a related discipline, or equivalent professional experience.

Desirable Experience

ARM Cortex, FreeRTOS or bare-metal development.
CAN, SPI, I2C and UART.
Satellite communications, RF, or maritime technology.
Embedded networking and VoIP technologies including PJSIP, Linphone or Asterisk.
Git Lab, Gerrit, Jenkins and Jira.
Hardware-in-the-loop testing and formal verification.
Safety-critical development, certification, or cybersecurity standards.
AI-assisted development tools used within secure engineering environments.