8 hours ago
Paris, FranceMid Level
Responsibilities
- Build and maintain reusable iOS UI components and experience patterns for SumUp’s design system.
- Collaborate with product and design teams to deliver consistent, maintainable, accessible interfaces.
- Apply accessibility best practices including VoiceOver, dynamic type, color contrast, and touch target sizing.
- Provide hands-on technical guidance to product teams, including support for landscape orientation.
- Review code contributions, enforce design system conventions, and mentor engineers.
- Lead migration of legacy UIKit components to SwiftUI while maintaining system stability.
- Identify and address technical debt to improve codebase health and engineering quality.
Requirements
- At least 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 knowledge of accessible user experience practices, 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 developments.
Benefits
- Paris-based office-first work arrangement with a global, multicultural team.
- Virtual Stock Option programme.
- Annual individual learning and development budget of €2000.
- Corporate pension contributions.
- SumUp covers 50% of the monthly cost of Mutuelle and Prévoyance health insurance.
- Restaurant tickets through Swile and transportation cost coverage.
- One-month sabbatical after 3 years of service.
- Referral bonus programme.
- Diversity and inclusion-focused workplace.
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.