> Markdown version of [/jobs/ext/2970326-c-software-engineer-sc-clearance-inside-ir35](https://www.wearedevelopers.com/jobs/ext/2970326-c-software-engineer-sc-clearance-inside-ir35). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # C++ Software Engineer (SC clearance - Inside IR35) - **Company:** Responsibilitiesdesigning - **Location:** Cheltenham, UK - **Contract:** Permanent contract - **Skills:** C (Programming Language), JavaScript (Programming Language), C++ (Programming Language), Linux, Python (Programming Language), Rust (Programming Language), SC Clearance, Kotlin, Front End Software Development - **Published:** September 18, 2026 - **Apply:** https://www.apply4u.co.uk/jobs/c-software-engineer-sc-clearance-inside-ir35/47402258 ## About the Role Our Client are looking for a SC cleared C++ Software Engineer to join a busy team. The projects are typically focused on communications and analytics, targeting a variety of platforms from bare-metal through to large-scale Android and Linux deployments. We're looking for developers who thrive on diverse requirements, capable of jumping from front-end design to embedded platform development throughout their working week.It requires strong C++ experience and a solid grounding in Python, C, Kotlin, JavaScript and Rust would be beneficial. The team focuses on user-driven applications, often involving bespoke hardware solutions. While not required, strong fundamentals in Radio Frequency (RF) communications and a desire to learn more will be an advantage.Candidates must work full-time onsite, a minimum of four days per week, and should possess or be willing to obtain a high level security clearance. Successful applicants will need to be security cleared prior to appointment, which can take a minimum of ten weeks.Key ResponsibilitiesDesigning a new clean-slate product with complete autonomy over its architecture.Adding new capabilities to, or replacing a core component of, an existing product.Throwing together a quick-and-dirty prototype to confirm the feasibility of a proposed technical approach; iterating until it meets requirements.We are committed to fostering an inclusive, equitable and accessible workplace where everyone feels valued and supported. We welcome applications from all individuals, regardless of background or identity, and we encourage candidates who may not meet every listed requirement to still apply. If you require any adjustments or support during the recruitment process, please let us know and we will work with you to ensure a fair and accessible experience. #J-18808-Ljbffr ## Related Videos - [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [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) - [Why Kotlin is the better Java and how you can start using it](https://www.wearedevelopers.com/videos/661-why-kotlin-is-the-better-java-and-how-you-can-start-using-it) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers)