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SumUp

Senior iOS Engineer

SumUp
Germany · Full-time · Mid-Senior

About The Team

SumUp’s Point-of-Sale (POS) solution empowers cafes, shops, bars, hair salons, and other businesses to operate efficiently and grow. It offers a wide range of features, including product catalogs, inventory management, business analytics, compliance support, and loyalty tools.

Our Fiscalization team will accelerate making the following countries fiscally compliant: Italy, Sweden, Norway, Belgium, Austria, and many other European countries. They will also start building the path for integrating with third parties and fiscalizing receipts.

As a Senior iOS Engineer, you’ll collaborate with a dynamic, cross-functional team of Product Managers, Product Designers, Engineering Managers, and fellow engineers.

About The Role

This position is critical for executing SumUp's Fiscalization roadmap. This engineer will be directly impacting our ability to deliver the New Market Fiscalization initiative and release core strategic staff management features.

These features are foundational to our company strategy and are essential for aligning our POS capabilities.

This is also an onsite role based in Berlin.

What You’ll Do

  • Execute the release of our Fiscalization roadmap features, including items such as Shift Management and Clock-In/Clock-Out.
  • Implement new features and maintaining in-App implemented staff management features using KMP and iOS / Swift UI.
  • Develop new screens in Swift UI and KM and work with Android Engineers to develop the same UX experience between platforms.

You’ll thrive in this role if:

  • You have 5+ years experience in iOS development in Swift UI.
  • You have a strong understanding of fundamental iOS architecture, design principles, data modeling, and API design.
  • You have strong experience with functional reactive programming (Combine or Flow).
  • You have strong interest or experience in Kotlin Multiplatform and cross-platform mobile development.

Why you should join SumUp

  • A dedicated annual Learning & Development budget for attending conferences and/or advancing your career through further education
  • Enrollment onto our virtual stock ownership program - you will own a stake in SumUp’s future success
  • A corporate pension scheme
  • 28 days paid leave + 1 for birthday
  • You’ll attend global offsites and/or hackathons.
  • You'd enjoy other great benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidized office lunches and other location-tailored benefits, Babbel language platform subscription and more!

Job Application Tip

We recognise that candidates feel they need to meet 100% of the job criteria in order to apply for a job. Please note that this is only a guide. If you don’t tick every box, it’s ok too because it means you have room to learn and develop your career at SumUp.

Key Skills

Ranked by relevance

ios swift android kotlin ui ux
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Posted
Dec 20, 2025
Type
Full-time
Level
Mid-Senior
Location
Berlin
Company
SumUp

Industries

Financial Services

Categories

Finance Information Technology Engineering

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