Senior iOS Engineer

Hybrid - London

Up to £80k basic

An exciting opportunity for a Senior iOS Engineer to join a fast-moving tech company building data-driven mobile products at scale. This is a highly regarded engineering environment where people are trusted to take ownership, solve real-world problems, and move quickly with purpose.

As a Senior iOS Engineer, you'll play a key role in shaping and scaling a sophisticated iOS app used by tens of thousands of customers. You'll work across two core areas - the flagship customer-facing app and a SDK that powers Real Time, on-device data collection. The role blends deep technical engineering with a product mindset and a strong focus on performance, usability, and scale.

This is a senior-level role where you'll help define architecture, influence product direction, and mentor others in the team. You'll work closely with Back End and data engineers in cross-functional squads, and have the freedom to experiment with new tools - including AI - to improve your own productivity and the quality of the codebase.

Senior iOS Engineer - Key Requirements:

Significant previous experience building iOS applications in Swift Experience with modern iOS tooling, eg SwitfUI, UIKit, CoreData, Clean Architecture, MVVM, Dependency Injection, etc. Proven experience building scalable SDKs for third-party use Strong understanding of software architecture and design patterns Ability to write high-performance, maintainable code and optimise for performance and reliability Comfortable working across the full app life cycle, from feature design to delivery and iteration A collaborative mindset and product-focused approach Experience working in Agile, cross-functional teams, and mentoring other engineers Curious about how AI tools can improve productivity, quality, and developer experience

Senior iOS Engineer - Salary & Benefits:

Basic salary up to £80,000 Performance related bonus Share options Private medical insurance Income protection Enhanced pension 25 days holiday Flexible working policies

If you're a Senior iOS Engineer who enjoys building reliable, scalable apps in a collaborative and mission-driven team - apply now. The client is hiring with urgency and offers flexible hybrid working, typically 1 day per week in their central London office (flexible for those based outside London).

We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their , , , /belief, , or .