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Senior iOS Engineer (KMP) - POS

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Senior iOS Engineer (KMP) - POS in Others

  • Paris, France

Responsibilities

  • Design and build ordering experiences in SwiftUI, including table management, kitchen workflows, and printer integrations.
  • Contribute to shared Kotlin Multiplatform business logic and shape the ordering domain architecture.
  • Improve the reliability and usability of ordering features across phones, tablets, and POS devices.
  • Collaborate with Android and platform teams to maintain consistent cross-platform behavior and multi-device order synchronization.
  • Participate in code reviews, pair programming, collaborative testing, work refinement, and technical decision-making.
  • Contribute to Mobile Chapter and Kotlin Multiplatform platform initiatives across the POS tribe.

Requirements

  • At least 5 years of experience building production iOS applications in Swift.
  • Strong knowledge of SwiftUI.
  • Experience working in a large, established codebase and making pragmatic improvements without a full rewrite.
  • Willingness to learn and contribute to Kotlin and Kotlin Multiplatform; prior hands-on Kotlin Multiplatform experience is welcome but not required.
  • Experience collaborating with Android engineers or other cross-platform partners.
  • Ability to work independently, communicate clearly, challenge assumptions, and make sound product and technical trade-offs.

Benefits

  • Office-first setup from SumUp’s Paris location.
  • Enrollment in a Virtual Stock Option programme.
  • €2000 annual learning and development budget.
  • Corporate pension contributions.
  • SumUp covers 50% of the monthly Mutuelle and Prévoyance health insurance cost.
  • Restaurant tickets through Swile and transportation cost coverage.
  • One-month sabbatical after three years of service.
  • Referral bonus programme.

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 headqua...

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