> Markdown version of [/jobs/ext/1914090-senior-ruby-developer-ministry-of-justice-g7](https://www.wearedevelopers.com/jobs/ext/1914090-senior-ruby-developer-ministry-of-justice-g7). 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). --- # Senior Ruby Developer - Ministry of Justice - G7 - **Company:** Government Digital & Data - **Location:** London, UK - **Experience:** Expert - **Salary:** £58,511.0 - £70,725.0 - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Web Interfaces, JavaScript (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Amazon Web Services, Automation of Tests, Cascading Style Sheets (CSS), Cloud Computing, Continuous Delivery, Continuous Integration, Web Development, Github, Object-Oriented Software Development, Software Maintenance, Ruby, Semantic HTML, Software Systems, TypeScript, Circleci, Backend, SC Clearance, Containerization, Kubernetes, Sentry, Web Technologies, Front End Software Development, Software Coding, Docker - **Published:** August 4, 2026 - **Apply:** https://find.jobs/jobs-near-me/apply/ats-redirect/?id=2909117866-2 ## About the Role Essential * Proven experience of delivering large and complex software solutions * Demonstrate proven experience of working in a modern object-oriented language and be confident learning new languages * Apply modern development and deployment techniques to your work, including continuous integration and continuous delivery * Champion software maintenance, clean code, coding standards and practices that make change and consistency easier * Write automated tests to continuously validate your work * Thrive when you work as part of a team that abides by the spirit of the manifesto of agile software development * Enjoy sharing knowledge and working in a multi-disciplinary team * Solve problems in a systematic way Willingness to be assessed against the requirements for SC clearance. ## Description Please note this role requires you to pass Security Check clearance. Please click on the link for details., As a Senior Software Developer at the MoJ you will have technical and people responsibilities. Technical: * Securely designing, building and maintaining APIs, services and systems * Working on pre-existing codebases * Improving the resilience and stability of software * Applying practices to enable continuous delivery People: * Developing and influencing people via line management duties, informal and formal coaching, and mentoring * Supporting lead developers in building high performing teams * Helping to build and maintain a diverse, inclusive culture across the development community, growing awareness, inclusivity, and balance Collaboration: * You'll collaborate closely with user researchers, product managers, designers, delivery managers, technical architects, and content specialists who share our vision of leveraging technology to transform government services. Technologies: We use a range of technologies and we're looking for people who have experience of building web applications or back-end systems in an object-oriented language, and love learning new languages and frameworks. Application Code: Ruby CI/CD: Circle CI, GitHub Actions Monitoring: Sentry Containerization: Kubernetes, Docker Cloud Infrastructure: AWS Web Interfaces: GOV.UK and MoJ Design Systems Front-End Development: We value a deep understanding of web technologies, emphasizing semantic HTML, performant CSS, and JavaScript or TypeScript. Accessibility is a core consideration across all our services. We're happy to help you learn our tech stack once you're part of our team, and do not require an exact match in your experience of languages. Check out GitHub for a closer look at the technologies we use, and a complete list of services that we build and maintain. We subscribe to the manifesto for agile software development. Our community: We currently have over 300 experienced developers who make up the engineering community across the MoJ. You will coach and mentor junior colleagues and take part in informal support networks with your peers. You will be encouraged to play an active role in the engineering community and culture. We take the responsibility of supportive and effective line management very seriously. We will value the skills you bring to the civil service and help you to build on them. When the time is right, we will support moving between teams or government departments to learn different technologies, or take on more responsibility, according to your career goals. If this feels like an exciting challenge, something you are enthusiastic about, and want to join our team please read on and apply! ## Related Videos - [Coffee with Developers: David Heinemeier Hansson](https://www.wearedevelopers.com/videos/875-coffee-with-developers-david-heinemeier-hansson) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Hosting a modern justice system](https://www.wearedevelopers.com/videos/332-hosting-a-modern-justice-system) - [Always on the Right Track with Rails with Eileen Uchitelle, Senior System Engineer at GitHub](https://www.wearedevelopers.com/videos/100358-always-on-the-right-track-with-rails-with-eileen-uchitelle-senior-system-engineer-at-github) - [Coroutine explained yet again 60 years later](https://www.wearedevelopers.com/videos/690-coroutine-explained-yet-again-60-years-later) ## Related Articles - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know) - [Dev Digest 111 - npm i -g issues](https://www.wearedevelopers.com/magazine/415-dev-digest-111-npm-i-g-issues) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Dev Digest 119 - ❤️ === ❤️](https://www.wearedevelopers.com/magazine/454-dev-digest-119)