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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior/Principal Software Engineer - **Company:** Matchtech - **Location:** Kent, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** C++ (Programming Language), Embedded Software, Human-Computer Interaction, Software Architecture, Rhapsody, Software Engineering, Verification and Validation (Software), UML, Model-Driven Development, Safety Critical Systems, Modeling and Simulation, DO-178B - **Published:** August 20, 2026 - **Apply:** https://www.cv-library.co.uk/job/225515114/senior-principal-software-engineer ## About the Role * A degree or equivalent experience in a Scientific/Engineering (electronics-engineering, software-engineering, physics, math's) environment * Excellent Software Engineering skills, with significant experience in C/C++ * Extensive experience of Software Architecture Design using UML or other recognised model-based design techniques as well as experience in UML for software design in CAMEO, EA, Rhapsody or integrity Modeler * Extensive experience of interfacing software with hardware in a real-time environment and development experience to DO-178B/C Standards The Software team: You will be working as part of a team of experienced, passionate and innovative engineers creating world-leading control and display systems. This is an extremely exciting and challenging role and will present the opportunity to design products for the world's most advanced commercial and military aircraft. Exposure to the customer and end user, as well as working alongside like-minded engineers, makes this a unique opportunity for the right candidate. ## Description As a Principal Software Engineer, you will lead the design and delivery of embedded software for complex, safety critical systems. You will develop drivers, protocols and human-machine interfaces. Responsible for technical direction and ensuring robust, certifiable solutions. Working across the full lifecycle, you will define architectures and solve complex engineering challenges through integration, verification and validation. You will provide technical leadership, mentor engineers and influence best practice. Engaging with customers and stakeholders, you will shape strategy, drive innovation and play a key role in delivering high-impact solutions. Core Duties: * Leading design and development of embedded software, including drivers, protocols, human-machine interfaces with certification artefacts * Defining system and software architectures from requirements using structured design, modelling and simulation * Driving integration, verification and validation within a safety critical environment * Providing technical leadership through mentoring, peer reviews and best practice * Delivering reliable estimates, including sizing and reuse * Engaging with customers to resolve technical challenges and shape solutions * Contributing to engineering processes, design reviews and strategic decisions, ensuring high quality, compliant delivery ## Related Videos - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) - [ChatGPT and Java: A Match Made in Heaven or Hell?](https://www.wearedevelopers.com/videos/536-chatgpt-and-java-a-match-made-in-heaven-or-hell) - [Communicate efficiently with Software Architecture Diagrams](https://www.wearedevelopers.com/videos/379-communicate-efficiently-with-software-architecture-diagrams) - [Beyond UML: Making Sense of AI-Generated Code through Visual Architecture](https://www.wearedevelopers.com/videos/2102-beyond-uml-making-sense-of-ai-generated-code-through-visual-architecture) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [You’re a great coder? That alone won’t get you far: The soft skills secret in IT success](https://www.wearedevelopers.com/videos/1076-you-re-a-great-coder-that-alone-won-t-get-you-far-the-soft-skills-secret-in-it-success) ## Related Articles - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [What Jobs Can You Get with a Software Engineering Degree?](https://www.wearedevelopers.com/magazine/398-what-jobs-can-you-get-with-a-software-engineering-degree) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [The Ultimate Software Engineer Career Path Guide for 2023](https://www.wearedevelopers.com/magazine/146-the-ultimate-software-engineer-career-path-guide-for-2023)