> Markdown version of [/jobs/ext/3007959-senior-android-engineer](https://www.wearedevelopers.com/jobs/ext/3007959-senior-android-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Android Engineer - **Company:** Freetrade Limited - **Location:** London, UK - **Experience:** Expert - **Salary:** £78,636.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Android Software Development, Software Quality, Code Review, Mobile Application Software, Model View ViewModel, Systems Integration, Circleci, Technical Debt, Backend, Git, Kotlin, Jetpack Compose, Graphql, Asynchronous Programming - **Published:** September 20, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5891553101 ## About the Role * Typically 6+ years of experience building production-grade mobile applications. * Strong problem-solving skills with the ability to lead technical decisions and deliver complex features. * Deep understanding of Android architecture such as MVVM or MVI. * Strong experience with Kotlin, Dagger, Jetpack and Compose. * Good understanding of GraphQL and integrating with backend services. * Experience with coroutines, flow or Rx. * Familiarity with git and collaborative development practices. * Understanding of CI and build tooling such as CircleCI. * Experience mentoring and growing more junior engineers ## Description Freetrade Engineers play a pivotal role in developing and maintaining a robust, scalable platform used by thousands daily. We tackle big technical challenges, drive innovation, and build solutions that make a real impact. Here, your code doesn't just run - it powers the decisions of investors across the UK. As part of our dedicated mobile engineering team, you will work on implementing new features. In collaboration with design, product and QE teams you will craft user experiences that will delight our customers. You will also help guide priorities around platform issues, technical debt, patterns, and architecture, ensuring we deliver a high-quality app and an excellent developer experience. We have recently rebranded key parts of the app, creating a new design system from scratch built with Jetpack Compose, and have started transitioning to a modern, unified GraphQL API using Apollo. * Lead the design and delivery of new features, alongside improving and maintaining the Freetrade Android app, ensuring high performance, quality, security and robustness. * Own features end to end, collaborating with backend, design, product and QA to deliver high-quality solutions. * Set and hold a high bar for code quality through hands-on development, code reviews and effective testing. * Resolve complex issues, address bottlenecks and reduce technical debt. * Drive improvements in engineering standards and practices. * Mentor and support junior engineers on design, implementation and best practices. * Participate in a support rota to understand and resolve customer issues, including direct communication where needed. ## Related Videos - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Android beyond mobile: Cars, TVs, and Wearables](https://www.wearedevelopers.com/videos/553-android-beyond-mobile-cars-tvs-and-wearables) - [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape) - [Modular Secrets to Lightning-Fast Android Builds](https://www.wearedevelopers.com/videos/1428-modular-secrets-to-lightning-fast-android-builds) ## Related Articles - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk)