8 hours ago
London, United KingdomMid Level
Responsibilities
- Shape the core experience for users and developers across SumUp’s iOS ecosystem.
- Build maintainable, consistent, accessible, and reusable UI components with product and design teams.
- Embed accessibility practices including content descriptions, touch target sizing, color contrast, VoiceOver, and dynamic type.
- Provide hands-on technical guidance to product teams, including support for landscape orientation.
- Review code contributions, enforce design system conventions, and mentor engineers.
- Lead the migration of legacy UIKit-based components to SwiftUI while maintaining system stability.
- Identify and address technical debt to improve codebase health and engineering quality.
Requirements
- 3+ years of professional iOS development experience, ideally with large-scale or consumer-facing applications.
- Fluency in Swift and deep hands-on knowledge of SwiftUI and UIKit.
- Experience building or contributing to a design system, component library, or shared UI framework.
- Strong understanding of accessible user experiences, including VoiceOver, dynamic type, color contrast, and touch target standards.
- Experience with UI component testing, including unit tests, snapshot tests, and UI automation.
- Ability to review code, mentor peers, communicate clearly in English, and work collaboratively across functions.
- Curiosity about the iOS ecosystem and Apple releases, APIs, and platform development.
Benefits
- Virtual Stock Option programme.
- Dedicated annual L&D budget for conferences and further education.
- Health and life insurance, including optical, dental, and life assurance coverage.
- Corporate pension scheme and referral bonus.
- 28 days of paid leave plus public holidays and special leave days.
- One-month paid sabbatical after three years of service.
- Global offsites and hackathons.
- Global collaboration with teams across Europe, South America, and the United States.
Tech Stack
iOSSwiftSwiftUI
Categories
Mobile
About SumUp
SumUp builds card readers, point-of-sale apps, and payment tools for small businesses, along with accounts, invoicing, and online checkout. It sells hardware and earns fees on payment processing and subscriptions for software and services such as invoicing and loyalty. Founded in 2012 and headquartered in London, the company serves more than 4 million merchants across 30+ markets, and offers options like payment links and Tap to Pay.