Senior iOS Engineer — Remote (UK) – SwiftUI & AI Apps

Addition; United Kingdom; Remote; GBP 111,000 - 166,000; Full time

Benefits offered by this job

Fully remote

6-month initial contract

Urgent start

Exposure to AI-native tech

Job summary

Addition is seeking a Senior iOS Mobile Engineer to own native mobile development. This fully remote role requires you to be based in the UK and to deliver secure, scalable iOS applications for an AI-native software consultancy serving clients in regulated sectors.

You’ll design, develop and maintain high-quality iOS apps using Swift, collaborate with cross-functional teams, and drive architectural and technical decisions while ensuring robust security and performance. Immediate start available.

Qualifications

• Proven track record delivering native iOS apps.
• Experience with SwiftUI and/or UIKit.
• Experience with secure data handling and authentication.

Responsibilities

• Design, develop and maintain native iOS apps in Swift.
• Collaborate with multidisciplinary teams to deliver seamless mobile experiences.
• Drive architectural decisions for scalable, secure apps.
• Integrate REST APIs and backend services with secure auth.
• Optimize performance, reliability and accessibility.
• Develop automated tests and participate in code reviews.

Skills

iOS development

Swift

SwiftUI

UIKit

iOS architecture

REST API integration

Security compliance

CI/CD pipelines

Remote collaboration

Tools

Xcode

App Store deployment

Job description

Addition is seeking a Senior iOS Mobile Engineer to own native mobile development. This fully remote role requires you to be based in the UK and to deliver secure, scalable iOS applications for an AI-native software consultancy serving clients in regulated sectors.

You’ll design, develop and maintain high-quality iOS apps using Swift, collaborate with cross-functional teams, and drive architectural and technical decisions while ensuring robust security and performance. Immediate start available.