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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior software engineer, iOS - **Company:** FDJ UNITED - **Location:** London, UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Agile Methodology, IOS Applications, Apple IOS, Apple Xcode, JIRA, Automation of Tests, Mobile Application Development, Code Review, Computer Programming, Continuous Integration, Dependency Injection, Software Design Patterns, IOS SDK, Model View ViewModel, Software Engineering, Data Logging, Uikit, Performance Testing, Swiftui, Swift (Programming Language), Git, Atlassian Tools, Bitbucket, Restful APIs, Xctest - **Published:** June 19, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=d7f05e54d952306f ## About the Role Do you have experience in iOS development?, This position is for an exceptional Senior iOS Developer who is keen to work on Native Apps. You'll be working with great colleagues from diverse backgrounds who are passionate about what they do. This passion will ignite your creativity in a fast-paced yet fun, Agile environment where technology and problem solving are key., * Solid software engineering background with at least 6 years' experience of iOS app development * Expert knowledge of iOS SDK, Swift, SwiftUI, UIKit, XCTest and SwiftTesting * Proven ability to write high-quality, performant code independently, drawing on experience across different systems and architectures * Strong experience with multithreaded programming and network protocol design, including RESTful web services * Experienced in test automation, TDD, BDD and quality assurance best practices * Experienced in incident management and risk assessment * Understanding of secure development principles and impact analysis * Excellent written and verbal English with strong communication skills for both team and stakeholder engagement * Knowledge about MVVM, and dependency injection pattern * Knowledge in GIT An advantage * Experience with Agile methodologies and a track record of suggesting process improvements * Knowledge of programming design patterns * Familiarity with Atlassian tools such as BitBucket, JIRA and Conf ## Description As a senior software engineer, you are a core team member on whom the team relies to consistently deliver high quality solutions. You take ownership to help the team reach their goals, including actively sharing knowledge and providing feedback. You can identify and initiate activities to address improvement areas within the team. With a mature view on technical governance you have a long term perspective of the team's components, * Design, implement, test and deploy high-quality iOS apps with a focus on performance and scalability, using the most appropriate techniques and design patterns * Work closely with a Product Owner, Engineer Team Lead and the rest of your team - confidently contributing to architectural discussions and proactively challenging and improving requirements * Develop in Swift using your expert knowledge of Xcode, applying good practices such as TDD and BDD with a shift-left mindset to catch defects early * Actively contribute to and improve best practices - from logging and performance testing to CI/CD pipeline maintenance * Conduct and receive code reviews constructively, helping to raise the bar across the team * Break down technical GAP documents and requirements into well-defined, deliverable work items * Take ownership of incident management and the writing, execution and analysis of performance tests * Represent the team effectively in stakeholder discussions, using domain concepts and language with confidence * Apply appropriate code analysis tools to continuously improve code quality and security ## Related Videos - [Applying DevOps in Flutter mobile development](https://www.wearedevelopers.com/videos/60-applying-devops-in-flutter-mobile-development) - [SwiftUI In Production](https://www.wearedevelopers.com/videos/134-swiftui-in-production) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [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) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) ## Related Articles - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [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) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)