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# Senior Android Engineer

- **Company:** The Trainline
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £80,000.0 - £90,000.0
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Android Software Development, Apple IOS, Continuous Delivery, Continuous Integration, Corona (Software Development Kit), Software Design Patterns, Pair Programming, Backend, Git, Kotlin, Solid Principles, Jetpack Compose, Asynchronous Programming
- **Published:** June 5, 2026
- **Apply:** https://uk.indeed.com/viewjob?jk=b92c7109ffc09e71

## About the Role

Do you have experience in iOS?, * A solid understanding of design patterns, SOLID principles, clean code practices and continuous integration or continuous delivery.

 * Experience building customer-facing mobile products where user experience, quality and performance are central to decision making.
 * Confidence working with Git and collaborating with others through modern software development workflows.
 * A collaborative approach to working in cross-functional teams, with the ability to communicate clearly with Product, Backend, Web, iOS and other engineering colleagues.
 * A proactive mindset, with the ability to take initiative, bring people together and help move work forward in a thoughtful and inclusive way.
 * An interest in mentoring others, sharing technical knowledge and supporting the growth of engineers around you.
 * Helpful experience working across platforms or with backend technologies, although this is not essential.

## Description

* Design, build and improve high-quality Android features that help customers plan, book and manage their travel with confidence.
 * Work as part of a cross-functional product team, contributing to technical decisions from discovery and design through to delivery and iteration.
 * Identify and execute improvements that enhance app performance, reliability, developer experience and delivery speed.
 * Partner closely with Product, Backend, Web and iOS colleagues to shape roadmaps, solve customer problems and deliver joined-up experiences across platforms.
 * Use modern Android technologies and engineering practices, including Kotlin, Coroutines, Jetpack Compose, Dagger, continuous integration and clean architecture principles.
 * Champion quality, maintainability and thoughtful technical design, helping the team make pragmatic decisions that support long-term product growth.
 * Contribute to an agile engineering culture through collaboration, pair programming, continuous delivery and shared ownership of outcomes.
 * Provide technical leadership within the Android space, helping to move initiatives forward and supporting strong engineering standards across the team.
 * Mentor and support other engineers, sharing knowledge and creating an environment where people can learn, contribute and grow., * Strong Android development experience, with good working knowledge of Kotlin and modern Android technologies.


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