Senior Software Engineer

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., * 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/OpenEmbedded 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 GitLab, 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.

• 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 / OpenEmbedded.
• 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.
• GitLab, 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.