Software Engineer / Polyglot EngineerCheltenham / HybridMy client is looking for a strong Software Engineer / Polyglot Engineer / Application Developer / Software Developer to join a growing UK technology business delivering secure software, mobile, and cloud-based solutions into the national defence sector.This is an opportunity to work across live programmes, next-generation product development, and cutting-edge proof-of-concept work in an environment that values strong engineering fundamentals, adaptability, and technical curiosity. It would suit an engineer who may have a core background in one area, but who is comfortable working across different technologies and solving complex real-world challenges.This role is particularly well suited to strong software engineers / software developer with experience in one or more of the following: C#, Java, TypeScript, Android / Kotlin, or other modern software engineering stacks.Benefits£75,000 - £95,000 basic salaryBonusHybrid working and flexibilityPensionPrivate healthcareElectric car schemeTraining and development opportunitiesFriendly, knowledgeable, peer-sharing cultureCareer progressionThe role and responsibilitiesYou will join a team building secure, high-performance software solutions for complex and mission-critical environments. The successful candidate will contribute across a range of engineering challenges, working on secure applications, product development, and technical problem-solving in a collaborative, high-calibre team.Responsibilities will include:Designing, developing, testing, and maintaining high-quality software solutionsWorking across a range of technologies depending on project needs and engineering strengthsContributing to both live delivery and next-generation product developmentSolving complex engineering challenges in secure and high-performance environmentsWriting clean, maintainable, well-structured codeParticipating in technical discussions, code reviews, and architecture conversationsCollaborating with software engineers, architects, cloud engineers, DevSecOps, and security specialistsSupporting engineering quality, continuous improvement, and knowledge sharing across the teamContributing to proof-of-concept work, experimentation, and technical innovationHelping translate complex technical requirements into robust engineering solutionsKey skillsStrong commercial experience as a Software Engineer, Backend Engineer, Full Stack Engineer, Mobile Engineer, or similarStrong ability in one or more modern programming languages such as C#, Java, TypeScript, Kotlin / Android, or similarStrong software engineering fundamentals including code quality, maintainability, and problem solvingExperience building production software in commercial environmentsAbility to learn new technologies quickly and work across different parts of the stack where neededExperience working in collaborative engineering teamsFamiliarity with version control, CI/CD, and modern software delivery practicesStrong communication and collaboration skillsBritish citizenship and ability to obtain MOD SC clearanceDesired skillsExisting SC clearanceExperience in defence, secure technology, or other highly regulated environmentsExperience building secure applications or working in security-conscious environmentsExposure to cloud platforms, APIs, mobile applications, or distributed systemsExperience with modern architecture patterns and scalable software designStrong interest in broad technical problem solving rather than a single narrow stackExperience contributing across multiple languages or technology domainsPlease note: existing SC clearance is advantageous but not essential. Candidates must be British citizens and eligible to undergo MOD SC clearance.If you would like more details then please apply via the link.All the best,Charlie SyrettRichmond Square Consulting LtdAlternative job titles: Software Developer, Application Developer, Application EngineerJBRP1_UKTJ