2 months ago
Berlin, GermanyMid Level
Responsibilities
- Build and maintain reusable, consistent, and accessible iOS UI components and experience patterns.
- Collaborate with product and design teams to support SumUp’s product priorities and upcoming brand refresh.
- Embed accessibility standards including VoiceOver, dynamic type, color contrast, and touch-target sizing.
- Provide hands-on technical guidance to product teams and review code contributions for design-system conventions.
- Lead the migration of legacy UIKit components to SwiftUI while maintaining system stability.
- Identify and address technical debt, mentor engineers, and promote reusable UI development best practices.
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’s releases and APIs.
Benefits
- Office-first work setup from SumUp’s Berlin office.
- Virtual Stock Option programme.
- €2000 annual learning and development budget.
- Corporate pension scheme matching up to 20% of employee contributions.
- 28 days of paid leave plus public holidays and special leave days.
- Urban Sports Club subsidy, Kita placement assistance, and subsidised office lunches.
- One-month Break4me sabbatical after three years of service.
- Referral bonus programme.
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.