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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Computer Network Defence Ltd (CND) - **Location:** Gloucester, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Android Software Development, Automation of Tests, Code Review, Continuous Integration, DevOps, Python (Programming Language), Model View ViewModel, Software Architecture, Secure Coding, Openapi, Backend, Git, Kotlin, Containerization, Solid Principles, Jetpack Compose, Docker, Web Api - **Published:** September 15, 2026 - **Apply:** https://www.collegerecruiter.com/job/2879256808-senior-software-engineer ## About the Role * Strong commercial Kotlin development experience * Android application development expertise * Experience with Git and modern software development workflows * Understanding of MVVM, UDF, OpenAPI, APIs, and software design principles * Exposure to backend development using Rust, Python, or Go * Experience with Docker, CI/CD pipelines, and automated testing * Excellent communication and collaboration skills * Ability to adapt quickly, learn new technologies, and thrive in fast-paced environments Desirable Experience * Jetpack Compose * Secure development practices * DevOps and cloud-native technologies * Experience delivering software within Defence, National Security, or other highly regulated environments ## Description We're seeking a Software Engineer with strong Kotlin and Android development experience to join a high-performing team delivering innovative digital solutions within secure environments. You'll work alongside talented engineers, architects, and delivery specialists to develop technology that enables faster, smarter, and more secure decision-making for critical operations. This is an opportunity to work on challenging projects where innovation, collaboration, and technical excellence are valued. You'll be trusted to take ownership, contribute ideas, and help shape solutions from concept through to deployment. What You'll Be Doing * Developing robust Android applications using Kotlin and Jetpack Compose * Building scalable backend services using Rust, Python, or Go * Designing and consuming web APIs and modern software architectures * Working with Docker, CI/CD pipelines, and DevOps best practices * Collaborating with cross-functional teams to solve complex technical challenges * Developing proof-of-concept applications and rapidly iterating as requirements evolve * Participating in code reviews and driving engineering best practices * Contributing to secure software delivery within highly secure environments, * Work on meaningful projects supporting critical operations * Cutting-edge technology stack across mobile, backend, and DevOps * Collaborative engineering culture with genuine autonomy * Opportunities to learn, innovate, and influence technical direction * Join a team that values problem-solvers, ownership, and continuous improvement If you're a Kotlin engineer who enjoys solving complex problems, building secure software, and working on technology that truly matters, we'd love to hear from you. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Enabling automated 1-click customer deployments with built-in quality and security](https://www.wearedevelopers.com/videos/83-enabling-automated-1-click-customer-deployments-with-built-in-quality-and-security) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools)