We’re looking for Senior Software Engineers to join our growing team in Gloucester, working on high-impact Defence, Cyber and Intelligence programmes. If you want to build secure, innovative software that helps protect critical national capabilities—this is the opportunity.You’ll work with modern DevSecOps practices, contribute to state‑of‑the‑art applications, and have the flexibility of hybrid working and a 4‑day flex schedule. Whether you specialise in one area or enjoy working across multiple domains, we’ll support your development and career growth.What You’ll Do:Develop and maintain secure software under the guidance of a Software Engineering LeadDesign and build tests for debugging and validationTranslate complex requirements into effective, scalable solutionsInvestigate and resolve software defectsProduce technical documentation and operating instructionsAnalyse system behaviour and performanceDrive automation across IaC, CI/CD and testingWhat We’re Looking For:Knowledge of unit testing frameworks such as JUnit 5Git and Agile/Scrum experienceExperience with relational or document databases (Oracle, MongoDB)GitLab CI/CD, Apache NiFi, Bitbucket/Jira/ConfluenceElasticsearch, Kibana and HibernateCloud-focused CI/CD pipelinesNice to Have:Microservices or serverless architecture experienceKnowledge of cloud migration challengesUseful Certifications:Security Clearance:DV clearance is required to start.If you’re passionate about building secure, modern software and want to work on projects that genuinely matter, we’d love to hear from you. Even if you don’t meet every requirement, please apply—your skills and perspective may be exactly what we need. #J-18808-Ljbffr