> Markdown version of [/jobs/ext/1260527-ios-engineer-mid-level](https://www.wearedevelopers.com/jobs/ext/1260527-ios-engineer-mid-level). 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). --- # iOS Engineer (Mid-level) - **Company:** gb Freetrade - **Location:** London, UK (Remote available) - **Experience:** Experienced - **Salary:** £52,000.0 - £75,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), IOS Applications, Apple Xcode, Architectural Patterns, Software Quality, Code Review, Continuous Integration, Dependency Injection, Human-Computer Interaction, Mobile Application Software, Model View ViewModel, Circleci, Data Processing, Uikit, Swiftui, Concurrency, Ios Frameworks, Swift (Programming Language), Technical Debt, Backend, Git, Build Tools - **Published:** July 14, 2026 - **Apply:** https://www.totaljobs.com/job/ios-engineer/freetrade-job107680473 ## About the Role * Typically around 3-5 years of experience developing production grade mobile applications * Strong ability to problem solve and passionate about improving your skills and knowledge * Good understanding of mobile architectural patterns, such as MVVM or MVP or VIPER * Experience in using industry standard tools for iOS development, such as Swift, SwiftUI and Xcode * Experience of using reactive libraries, such as Combine or RxSwift * Good understanding of Human Interface Guidelines. * Working understanding of using code version control tools (such as Git). * Appreciation of continuous integration and build tools (CircleCI). ## Description The role requires someone with a good understanding of the iOS mobile platform, ability to problem solve, and passion to improve their skills and deliver within a highly collaborative team. This is a unique opportunity to work with knowledgeable and experienced mobile engineers across both iOS and Android platforms, that will help develop your abilities. As part of our dedicated mobile engineering team, you will work on implementing new features as well as ensuring high levels of customer satisfaction by assisting in handling customer queries and feedback. In collaboration with design, product and QA teams you will craft new 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. Our Mobile team's tech stack : * Our iOS app is written fully in Swift * Our app's UI is built using SwiftUI, with some UIKit code that we are in the process of migrating away from * We organise our components using the MVVM-C pattern * We use RxSwift for reactive data handling, with an ongoing migration toward Swift Concurrency * We use Factory for dependency injection * Screens are constructed with building blocks from our design system, built in SwiftUI * We use a layered modular architecture using Swift Packages to optimise scalability * We have recently transitioned to a modern, unified GraphQL API using Apollo What you'll be doing & your impact * Contribute to the development of new features and maintain existing features of the Freetrade iOS app. Ensure high performance, quality, security and responsiveness of the application. * Collaborate with cross-functional teams (including backend, design, product, and QA) to define, design, and ship new features. * Ensure the robustness of the application by writing tests and participating in code reviews. * Identify and correct bottlenecks and fix bugs. Help maintain code quality, organisation, automation and application releases * Ensure customer satisfaction by participating in a support rota to understand and address customer issues ## Related Videos - [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production) - [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) - [Unsolved mysteries between Usability and Accessibility in iOS](https://www.wearedevelopers.com/videos/737-unsolved-mysteries-between-usability-and-accessibility-in-ios) - [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean) - [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development) ## Related Articles - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [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) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Frontend Developer Salary in The UK](https://www.wearedevelopers.com/magazine/233-frontend-developer-salary-in-the-uk) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)