Senior Native iOS Engineer

Description

The role is to design, build and improve software that gives business, platform and technology capabilities to customers and colleagues, using a range of engineering methods.

You will join the mobile engineering team, working on iOS apps that millions of customers use, in a regulated setting.

You will work alongside engineers, designers, product partners and stakeholders to deliver customer-focused outcomes and support the company's digital transformation.

The work covers core mobile platforms and services, platform-wide improvements, and experiences that are secure, reliable and accessible.

Responsibilities

• Build and deliver high-quality software with suitable languages, frameworks and tools, keeping code scalable, maintainable and fast.
• Work with product managers, designers and other engineers to define requirements, plan solutions and keep work aligned with business goals.
• Review peers' code and share knowledge to raise code quality across the team.
• Follow industry trends and contribute to internal technology communities to build technical depth.
• Apply secure coding practices to reduce vulnerabilities and protect sensitive data.
• Write unit tests that check code design, readability and reliability.
• Help shape technical direction, engineering standards and policy.
• Advise on decisions, take responsibility for operational effectiveness and work closely with other functions.
• Lead a team on complex work: set objectives, coach people, appraise performance and recommend rewards.
• If you manage people, show the LEAD behaviours: listen and be authentic, energise and inspire, align across the enterprise, and develop others.
• If you are an individual contributor, lead collaborative assignments, guide team members and bring in other specialisms when needed.
• Identify and mitigate risk, develop policies and procedures, and take ownership of controls for your work.
• Explain complex, sensitive or difficult information clearly to different audiences and influence stakeholders to reach outcomes.

Requirements

• Essential: extensive experience building native iOS apps in Swift with SwiftUI and UIKit, including MVVM, coordinator-based navigation and protocol-oriented design.
• Essential: experience with modular, feature-based architectures, using Combine and Swift Concurrency (async/await) for reactive and asynchronous code.
• Essential: experience with test-driven development, unit testing, test doubles and automated UI testing.
• Essential: understanding of mobile security requirements in regulated environments, and experience designing accessible digital experiences.
• Highly valued: experience supporting CI/CD pipelines, managing multiple build configurations and maintaining internal dependencies with CocoaPods.
• Highly valued: experience building financial services or other regulated applications, with knowledge of compliance and security requirements.
• Highly valued: knowledge of application performance monitoring, analytics instrumentation and continuous service improvement.
• Highly valued: experience working in multidisciplinary agile teams to deliver technology that supports customer and business outcomes.
• You may be assessed on risk and controls, change and transformation, business acumen, strategic thinking, digital and technology, and job-specific technical skills.

Conditions

The role is based in Northampton or Knutsford.