Senior iOS Engineer

Senior iOS Engineer

London, UK (1 day per month in the office)

Up to £85k basic

An 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 backend 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 Swift

Skilled with modern iOS tooling (SwiftUI, UIKit, CoreData, Clean Architecture, MVVM, Dependency Injection, etc.)

Proven experience building scalable SDKs for third-party use

Strong knowledge of architecture, design patterns, and performance optimisation

Able to work across the full app lifecycle, from design to release and iteration

Collaborative, product-focused, and comfortable mentoring engineers

Familiarity with Agile, cross-functional environments

Interest in using AI tools to improve productivity and developer experience

Senior iOS Engineer - Salary & Benefits :

Basic salary up to £85,000

Performance-related bonus

Share options

Private medical insurance & income protection

Enhanced pension

Minimum 25 days holiday

Flexible hybrid working

If you're a Senior iOS Engineer who enjoys building reliable, scalable apps in a collaborative and mission-driven team, apply today. The client is hiring with urgency.

We are an equal opportunities employer and welcome applications from all suitably qualified candidates, regardless of race, sex, disability, religion / belief, sexual orientation, or age.

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