Senior Android Developer

FDM is a global business and technology consultancy seeking a Senior Android Developer to work for our client within the Finance sector. This is initially a 12-month contract with the potential to extend and will be a hybrid role based in Leeds.

Our client is seeking talented and self-motivated Senior Android Engineer to join their growing mobile engineering team. This is a great opportunity to play a key role in building secure, resilient, and high-quality Android applications used by millions of customers.

You’ll be part of a wider engineering community that values continuous learning, collaboration, and clean, efficient code. Working alongside product, strategy, and UX/UI design teams, you’ll help shape robust mobile solutions while mentoring and supporting the growth of less experienced developers. At the core of this role is a commitment to security, performance, and user experience, with every line of code helping to safeguard our customers and strengthen our digital offering.

Responsibilities

• Design and develop Android mobile applications and components using Kotlin and Java
• Collaborate with cross-functional teams including design, strategy, and architecture to deliver well-crafted user experiences
• Apply best practices for Android development including SOLID principles, MVVM/MVI architecture, and Jetpack libraries
• Work within a modular codebase and contribute to a secure, scalable mobile architecture
• Lead by example in code quality, testing, and version control, including UI testing and performance tuning
• Mentor junior developers and actively contribute to a culture of knowledge sharing and continuous improvement
• Engage with the wider engineering community to stay up to date with the latest tools, techniques, and trends in Android development
• Support secure development practices to ensure applications are safe, compliant, and resilient against evolving threats
• Optimise app performance and reliability across different Android devices and OS versions

Requirements

• Minimum of 5 years’ experience in Android mobile development
• Proficiency in Kotlin and Java
• Deep understanding of Android SDK, UI design principles, and architecture patterns such as MVVM or MVI
• Experience with Jetpack Compose and Android Architecture Components
• Familiarity with modularised codebases and writing clean, testable code
• Excellent knowledge of version control systems such as Git
• Skilled in offline storage, background threading, and performance tuning
• Comfortable working with open-source libraries including Dagger2, Retrofit, Coroutines, or RxJava
• Knowledge of Google’s Android design guidelines and principles
• Experience with UI testing frameworks and performance benchmarking
• Understanding of security practices in mobile development

Desirable Requirements

• Exposure to cloud messaging APIs and push notification frameworks
• Familiarity with HTML5, CSS3, JavaScript, and responsive web design principles
• Experience working with RESTful APIs and web services

Why join us

• Career coaching, mentoring and access to upskilling throughout your entire FDM career
• Assignments with global companies and opportunities to work abroad
• Opportunity to re-skill and up-skill into new areas, develop non-linear career paths and build a skillset within your field
• Annual leave, work-place pension and BAYE share scheme

About FDM

We are a business and technology consultancy and one of the UK's leading employers, recruiting the brightest talent to become the innovators of tomorrow. We have centres across Europe, North America and Asia-Pacific, and a global workforce of over 3,500 Consultants. FDM has shown exponential growth throughout the years, firmly establishing itself as an award-winning employer and is listed on the FTSE4Good Index.

Diversity and Inclusion

FDM Group is an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, sexual orientation, national origin, age, disability, veteran status or any other status protected by federal, provincial or local laws.