Senior iOS Engineer

Senior iOS Engineer London, UK (1 day per month in the office)Up to £85k basicAn exciting opportunity for a Senior iOS Engineer to join a fast-moving tech company building large-scale, data-driven mobile products. This is a trusted, high-quality engineering environment where you''ll have ownership, solve complex problems, and move quickly with purpose.As a Senior iOS Engineer, you''ll help shape and scale a sophisticated native iOS app used by tens of thousands of customers. You''ll work across both the flagship customer-facing app and a native SDK for Real Time, on-device data collection. The role blends deep technical engineering with a product-focused mindset, with strong emphasis on usability, performance, and scalability.In this senior position, the Senior iOS Engineer will contribute to architectural decisions, influence product direction, and mentor others, while collaborating with Back End and data engineers in cross-functional squads. You''ll also have freedom to experiment with modern tooling and emerging AI solutions to enhance productivity and code quality.Senior iOS Engineer - Key Requirements:Extensive experience building native iOS applications in SwiftSkilled with modern iOS tooling (SwiftUI, UIKit, CoreData, Clean Architecture, MVVM, Dependency Injection, etc.)Proven experience building scalable SDKs for third-party useStrong knowledge of architecture, design patterns, and performance optimisationAble to work across the full app life cycle, from design to ..... full job details .....