IOS Engineer - 12 Months - London Or Bristol - Inside IR35

Hamilton Barnes; Greater London; Hybrid; GBP 92,000 - 120,000; Full time

Job summary

Hamilton Barnes represents a leading IT consultancy seeking an iOS Engineer (Swift and SwiftUI) for a 12-month contract based in London or Bristol, Inside IR35. You will design, build and maintain secure, production-ready iOS apps, collaborating with product owners, designers and backend engineers.

The role emphasizes modern UI with SwiftUI/UIKit, RESTful integration, testing, and code quality. On-site 2–3 days a week with a flexible hybrid setup, start ASAP.

Qualifications

• Strong proficiency in Swift and Objective-C with proven iOS release experience.
• Experience with SwiftUI, UIKit, Core Data, and AVFoundation.
• Experience with MVC/MVVM/VIPER or Clean Architecture and push notifications.

Responsibilities

• Design, develop and maintain mobile applications for the iOS ecosystem
• Implement modern UI using SwiftUI and UIKit, working closely with product teams
• Integrate RESTful APIs and third-party services into secure, high-performing applications
• Build, test, debug and deploy apps across iOS versions and Apple devices, optimising performance and memory use
• Contribute to code quality standards, code reviews and reusable component libraries

Skills

Swift

SwiftUI

Objective-C

UIKit

Xcode

Core Data

VIPER/Architectures

Git

Unit testing

CI/CD

Tools

Jenkins

Bitrise

GitHub Actions

Job description

iOS Engineer (Swift and SwiftUI) - 12-Month Contract - London/Bristol - Inside IR35

Our client, a leading IT consultancy, is looking for an iOS Engineer to join a consumer servicing and engagement programme. You will design, build and maintain secure, production-ready iOS applications, working closely with product owners, designers and Back End engineers. This is a 12-month contract, Inside IR35, based in London or Bristol.

Key Responsibilities

• Design, develop and maintain mobile applications for the iOS ecosystem
• Implement modern UI using SwiftUI and UIKit, working closely with product teams
• Integrate RESTful APIs and third-party services into secure, high-performing applications
• Build, test, debug and deploy apps across iOS versions and Apple devices, optimising performance and memory use
• Contribute to code quality standards, code reviews and reusable component libraries

What You Will Ideally Bring

• Strong proficiency in Swift and Objective-C, with proven experience building and releasing iOS apps
• Expertise with Xcode, UIKit and SwiftUI, and solid knowledge of Core Data, Core Animation, Core Location and AVFoundation
• Solid grounding in MVC, MVVM, VIPER or Clean Architecture, with push notifications, background tasks and app life cycle management
• Experience with Git/GitHub/GitLab and unit and UI testing (XCTest, XCUITest), working in an Agile/Scrum team
• Desirable: CI/CD exposure (Jenkins, Bitrise or GitHub Actions)

Contract Details

• Duration: 12 months
• Day Rate: Negotiable
• Determination: Inside IR35
• Location: London/Bristol (2/3 days per week on-site)
• Positions: 1
• Start Date: ASAP

iOS Engineer (Swift and SwiftUI) - 12-Month Contract - London/Bristol - Inside IR35