We’re building the UK's next generation engineering powerhouse, providing critical technology that strengthens national security and resilience. At Rowden, we design and integrate advanced systems that sense, connect, and protect data in challenging environments where quick decisions are vital. Our solutions use intelligent automation to enhance speed and efficiency and are built to be reliable and straightforward for critical operations in remote or high-pressure settings. Headquartered in Bristol (UK), we combine modern engineering methods with cutting-edge commercial technology to create adaptable, mission-critical systems. We focus on solving the tough challenges that others overlook, ensuring our customers can operate effectively in an ever-changing world. The role: Senior Android Developer Our software team is growing! We’re looking for a motivated and talented Senior Android Developer to help solve interesting, real-world problems for our customers. You will be an integral part of our development team, solving challenging technical problems and owning the development of key features on a variety of projects including ATAK plugins, AI integrated apps, and network configuration tools. You’ll also contribute to a hands-on engineering culture, sharing knowledge and lessons with the wider engineering team, and learn some new things yourself along the way. Key areas of responsibility As a Senior Android Developer at Rowden, you’ll be responsible for: Designing, developing, and maintaining Android applications using Kotlin. Leading technical design discussions and contributing to architectural decisions. Collaborating with cross-functional teams including Test, Infrastructure, and Product. Ensuring compliance with secure company coding standards. Writing clean, maintainable, and well-tested code with an emphasis on reliability and performance. Providing mentorship and guidance to junior and mid-level engineers. Participating in code reviews, system design, and technical documentation Promoting a culture of good software engineering practices across the team. Maintaining knowledge of new and evolving features of the Android OS. About you The ideal candidate will have a strong balance of technical skills and experience as well as behavioural competencies that we believe are key to success in the role. You should: Be an enthusiast for solving challenging, real-world technical problems. Be passionate about learning new things and helping others to do the same. Have good interpersonal and communication skills. Be willing to voice up when you disagree with a technical approach or find areas for improvement. Key skills, experience and behaviours We are looking for someone who is passionate about technology and who actively invests in their technical skills and abilities. You will be constantly learning and developing in this role, but some key skills and experience you should have already include: Essential 5 years of professional Android development experience with Kotlin/Java. Experience with GitHub and GitHub Actions for CI/CD (or equivalent). Good experience of software development in an agile environment (including agile management, version control, issue tracking, code review and continuous integration methods and tools). Experience creating clean, maintainable, low complexity, self-describing code. An understanding of software security principles and implementation. Knowledge of industry-wide technology trends and best practices. Desirable Exposure to Android Team Awareness Kit (ATAK), plugin development. Hardware integration via RS232, Bluetooth, REST APIs etc. Network Analysis with WireShark. Reverse engineering with tools such as JADX and APK Studio. Experience with multiple languages including Python, C++, Rust and Go. Working at Rowden We are committed to building a flexible, inclusive, and enabling company. Our aim is to create a diverse team of talented people with unique skills, experience, and backgrounds, so please apply and come as you are! We also recognise the importance of flexible working and support this wherever we can. We typically operate a flexible, hybrid-working model, with an average 3 days in the office each week (dependent on the role). We welcome the opportunity to discuss flexibility, part-time working requirements and/or workplace adjustments with all our applicants. Rowden is a Disability Confident Committed company, and we actively encourage people with disabilities and health conditions to apply for our roles. Please let us know your requirements early on so that we can make sure you have everything you need up front to help make the recruitment process and experience as easy as possible. Finally, if you feel that you don’t meet all the criteria included above but have transferable skills and relevant experience, we’d still love to hear from you!