Android Engineer

Salary: £90,000 - 90,000 per year

Requirements

• Strong experience building Android applications in Kotlin or Java
• Experience working on complex mobile systems such as SDKs, frameworks or large scale applications
• Experience with reactive programming such as RxJava
• Deep understanding of asynchronous programming and multithreading
• Strong knowledge of Android architecture and platform capabilities
• Experience working with APIs and network based mobile services
• Comfortable working in collaborative agile teams
• Strong communication skills and fluent English
• Nice to have: Experience working with location services sensors or Bluetooth technologies
• Nice to have: Experience working with cross-platform mobile environments
• Nice to have: Exposure to cloud services or backend development
• Nice to have: Interest in on-device intelligence or machine learning

Responsibilities

• Design and build advanced Android SDK features using Kotlin and Java
• Solve complex problems around location, background services and mobile performance
• Build reliable APIs and tools that other mobile teams integrate into their applications
• Collaborate with engineers across mobile, backend and infrastructure teams
• Improve architecture, testing practices and developer experience
• Support partners integrating the SDK into large scale consumer applications
• Continuously improve performance, security and reliability across the platform

Technologies

• Android
• Backend
• Bluetooth
• Cloud
• Support
• Java
• Kotlin
• Mobile
• Network
• RxJava
• Security
• Machine Learning

More

We are an innovative technology company building intelligent mobility platforms used by major public transport operators across the world. Our technology powers mobile experiences that combine location intelligence, behavioral insights, and rewards systems to help millions of people move through cities more efficiently while increasing public transport adoption. We offer a competitive salary up to £90,000, remote working opportunities, and flexible working hours.

last updated 13 week of 2026