Android Software Engineer (Kotlin) Cheltenham / Hybrid / Remote
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My client is looking for an experienced Android Software Engineer with strong Kotlin expertise to join a growing UK technology business delivering secure mobile 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, using modern Android engineering to solve complex real-world challenges. It would suit someone who wants to build secure, high-performance mobile applications in an environment where technical quality, innovation, and real-world impact genuinely matter.
Benefits £70,000 - £85,000 basic salary
Bonus
Hybrid working and flexibility
Pension
Private healthcare
Electric car scheme
Training and development opportunities
Friendly, knowledgeable, peer-sharing culture
Career progression
The role and responsibilities Designing, developing, testing, and maintaining high-quality Android applications
Building secure, robust mobile applications in Kotlin
Applying modern Android architecture patterns such as MVVM, MVI, and Clean Architecture
Writing clean, maintainable code using modern Android practices including coroutines, Flow, and structured concurrency
Integrating Android applications with REST APIs, backend services, and secure communications layers
Supporting performance optimisation, battery efficiency, and memory usage improvements
Participating in code reviews and helping drive engineering quality across the mobile estate
Working closely with architects, backend engineers, cloud engineers, DevSecOps, and security specialists
Contributing to secure mobile design decisions in line with modern security principles
Supporting Agile delivery, technical discussions, and ongoing product improvement
Key skills Strong commercial experience as an Android Software Engineer, Android Developer, or Mobile Developer
Strong commercia
l experience developing Android applications in Kotlin
Good understanding of Android architecture patterns including MVVM, MVI, and/or Clean Architecture
Experience integrating RESTful APIs
Strong knowledge of Android build tooling including Gradle
Experience with modern Android tooling and libraries
Experience with automated testing such as JUnit, Mockito, and UI testing
Familiarity with Git, CI/CD pipelines, and Agile software delivery
Strong communication and collaboration skills
British citizenship and ability to obtain MOD SC clearance
Desired skills Existing SC clearance
Experience working in defence, secure technology, or other highly regulated environments
Knowledge of Mobile Device Management (MDM) platforms such as Microsoft Intune or VMware Workspace ONE
Familiarity with Android Enterprise enrolment modes
Exposure to secure mobile applications or operationally focused mobile technology
Understanding of secure mobile / zero-trust principles
Experience with gRPC and Protocol Buffers
Knowledge of secure mobile standards or guidance
Exposure to Kotlin Multiplatform Mobile (KMM)
Please note: existing SC clearance is advantageous but not essential. xsngvjr Candidates must be British citizens and eligible to undergo MOD SC clearance
If you would like more details about this position then please apply for the link.
All the best,
Charlie Syrett Richmond Square Consulting Ltd
Alternative job titles: Mobile Developer, Android Developer, Smartphone Developer, Application Developer, Software Developer Buzzword search: Android, Kotlin