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Lead Software Engineer - DO​/Embedded C

Job in Cheltenham, Gloucestershire, GL50, England, UK
Listing for: Matchtech
Full Time position
Listed on 2026-09-21
Job specializations:
  • Software Development
    Embedded Software Engineer, Embedded Systems/ Firmware/ IoT, C++ Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 111000 - 166000 GBP Yearly GBP 111000.00 166000.00 YEAR
Job Description & How to Apply Below
Position: Lead Software Engineer - DO-178C / Embedded C

Location:

Cheltenham (hybrid working)

Duration: 6 month contract

Inside IR35

Role details:

Our client is seeking a Lead Software Engineer to support the development of mission- and safety-critical systems within the defence and aerospace sector. This contract role is suited to an experienced embedded software professional with strong real-time programming expertise and comprehensive knowledge of DO-178C Level A compliance.

Key Responsibilities:
  • Derive high-level and low-level software requirements
  • Author software architectures and detailed design documentation
  • Develop bare-metal, real-time embedded software using C and C++
  • Implement safety-critical software for an embedded modular platform
  • Manage activities across the full software development lifecycle
  • Ensure compliance with DO-178C Level A processes, including traceability, testing and quality assurance
  • Conduct design reviews, code reviews, verification and validation activities
  • Collaborate with hardware, systems and test engineering teams to support effective integration
Job Requirements:
  • Significant experience developing bare-metal, real-time embedded systems in C
  • Strong proficiency in Embedded C/C++ and real-time software design
  • In-depth knowledge of DO-178C Level A standards, processes and documentation
  • Experience working with safety-critical systems and certification requirements, including MC/DC testing
  • Understanding of RTOS concepts and embedded modular platforms
  • Familiarity with debugging tools, hardware interfaces and safety analysis techniques
  • Experience with software requirements, design, implementation, testing and verification
  • Strong leadership, communication and stakeholder management skills
Desirable

Experience:
  • Experience with in aerospace, defence or another high-reliability engineering environment
  • Knowledge of related safety-critical standards such as ARP
    4754, ARINC 653, DO-254 or DO-248
  • Understanding of hardware and software integration and hardware-in-the-loop testing
  • Experience reporting project status and contributing to programme reviews

This is an opportunity to contribute to the development of advanced safety-critical technology used across defence, aerospace and unmanned systems. If you have the required Embedded C/C++ and DO-178C expertise,

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