Job Title: IOS developer
Location: Stratford, London (4 x per week working on-site)
Salary/Rate: Up to £493 per day
Start Date: Feb 2026
Job Type: 11 month contract (Inside IR35)
Company Introduction:
We are looking for a Senior iOS Software Engineer to join our clients Mobile Team working on their Pro Telematics Drive App. Excellent opportunity to work for one of the worlds largest automobile manufactures.
Job Responsibilities/Objectives:
High-frequency, high-value capabilities that are critical to maintaining fleet uptime and increasing productivity. For Fleet Managers, the app delivers a Real Time overview of fleet health, vehicle locations on an interactive map, EV battery levels and charging status, and powerful Command & Control capabilities to remotely lock/unlock vehicles, start/stop climate control.
* Feature Delivery: Build, ship, and maintain customer-facing iOS features with a strong focus on security-related use cases and reliability
* Collaboration: Work in an agile, cross-functional team with iOS and Back End engineers, designers, product managers, and QA.
* UI Implementation: Implement polished, accessible UIs using UIKit and SwiftUI and translate product requirements into high-quality user experiences.
* Integration: Integrate with APIs and services, ensuring robust error handling, observability, and excellent performance.
* Codebase Management: Work effectively in a reasonably large, evolving codebase as part of an overall iOS team of around 9 engineers.
* Engineering Excellence: Contribute to code reviews, testing practices, and continuous improvement
Required Skills/Experience:
The ideal candidate will have the following:
* iOS Engineering: Strong experience with Swift, including building and maintaining production iOS apps.
* UI Frameworks: Deep experience designing and implementing UIs with SwiftUI.
* Architecture: Experience with modern iOS architecture patterns and dependency management strategies.
* Testing: A strong testing mindset, including unit testing and snapshot testing, with an emphasis on maintainable, reliable code.
Our Tech Stack
* Native mobile app written in Swift
* UIKit, SwiftUI, Combine, async/await
* Third party SDKs for maps, analytics & experiments, observability, animations
* Tuist for project generation and SPM dependency management
* Tests: XCTest/Swift Testing, Snapshot tests, UI Tests
* A range of modern tooling for analytics, observability, localisation, artifact management, licensing checks, security & quality checks
* Bitrise for CICD and internal app distribution
* Dedicated Back End for Front End API layer for the mobile app
If you are interested in this opportunity, please apply now with your updated CV in Microsoft Word/PDF format.
Disclaimer
Notwithstanding any guidelines given to level of experience sought, we will consider candidates from outside this range if they can demonstrate the necessary competencies.
Square One is acting as both an employment agency and an employment business, and is an equal opportunities recruitment business. Square One embraces diversity and will treat everyone equally. Please see our website for our full diversity statement.
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