ISO Engineer
Listed on 2026-10-12
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Software Development
iOS Developer, App Developer - Mobile/Web
Duration: 1 year
Start Date Immediate
Day Rate: £425 to £500 (Dependent on Experience)
Location:
London / Bristol
Our banking client, a UK-based financial services and retail banking group, is currently looking for an experienced iOS Engineer with min 8+ years total experience to design, develop, and maintain mobile applications for the iOS ecosystem. Work closely with product teams to implement modern UI frameworks, integrate APIs, and ensure seamless, secure, and production-ready experiences across Apple devices.
In this role, your key responsibilities will be to build, test, and deploy iOS applications while collaborating with designers, backend engineers, and product owners. Ensure app responsiveness, performance, and security compliance. Debug and resolve issues across different iOS versions and devices. Contribute to code quality standards, code reviews, and reusable component libraries.
The successful candidate must come with good communication skills to ensure adequate confidence to the client.
Key Skills/knowledge:Primary
Skills:
- Strong proficiency in Swift and Objective-C
- Expertise with Xcode, UIKit, and SwiftUI
- Solid knowledge of Core Data, Core Animation, Core Location, AV Foundation
- Strong understanding of MVC, MVVM, VIPER, or Clean Architecture
- Proficiency in RESTful APIs, JSON/XML, and third-party integrations
- Experience with Push Notifications, Background Tasks, App Lifecycle Management
- Version control with Git/Git Hub/Git Lab
- Debugging, performance optimization, and memory management in iOS apps
Skills:
- Knowledge of Unit/UI Testing (XCTest, XCUITest)
- Familiarity with CI/CD pipelines (Jenkins, Bitrise, Git Hub Actions)
- Exposure to Agile/Scrum methodologies
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