iOS Developer

MPower Plus; West of England; On-site; GBP 70,000 - 110,000; Full time

Job summary

MPower Plus is seeking an experienced iOS engineer. You will contribute to a modular architecture using MVVM, build and maintain production-scale Swift applications, and design scalable SDKs consumed across teams. You will promote best practices, including TDD, code reviews, CI/CD, and automated testing.

You will collaborate with cross-functional teams to deliver high-quality mobile experiences and accelerate reuse and inner sourcing of components.

Qualifications

• Strong Swift iOS development experience.
• Experience with modular app architecture (MVVM).
• Experience building and integrating SDKs for internal use.
• Knowledge of Swift concurrency (async/await, GCD).
• Delivery of production-scale iOS apps and good collaboration.

Responsibilities

• Develop and maintain iOS apps using Swift and Xcode.
• Contribute to modular architecture, MVVM, and clean code.
• Design and integrate scalable SDKs used across teams.
• Ensure thread-safe, high-performance solutions with proper concurrency.
• Collaborate across engineering to drive reusability and reduce waste.
• Advocate for engineering quality via TDD, code reviews, CI, and automated testing.

Skills

Swift

iOS development

Xcode

Git/GitHub

XCTest

XCUITest

MVVM

SDK integration

Concurrency

Code reviews

TDD

CI/CD

Automated testing

Team collaboration

Tools

Git

GitHub

Xcode

GitHub Actions

Fastlane

Job description

Job Description

• Strong programming expertise in Swift, with hands-on experience using modern iOS development toolsets including Xcode, Git, GitHub, XCTest, and XCUITest.
• Deep understanding of modular app architecture, including frameworks-based modularisation and architectural patterns such as MVVM.
• Proficiency in building, maintaining, and integrating SDKs, ensuring they are scalable, well documented, and easy to consume across teams.
• Solid grasp of concurrency in Swift (e.g., async/await, GCD, Operations) and the ability to design performant, thread safe solutions.
• Broad technical experience with a track record of delivering high quality, production scale iOS applications.
• Strong communication and collaboration skills, with the ability to work effectively across engineering teams to drive reusability, inner sourcing, and reduction of technical waste.
• A strong advocate for engineering quality, leveraging practices such as Pair Programming, Test Driven Development (TDD), Code Reviews, Continuous Integration, and Automated Testing.

Desirable Skills & Experience

• Knowledge of mobile security principles and best practices, such as secure storage, authentication flows, and safe handling of sensitive data.
• Experience with CI/CD pipelines for mobile, ideally with tools such as GitHub Actions, Fastlane, and automated build/test deployment processes.