iOS Engineer - Design System
Estimated salary
€5,342 – €7,845per month
Auto-estimated from similar roles, location, experience & market data. Actual pay may vary.
Description
As an iOS Engineer on the Design System team at SumUp, you will translate the company's design language into a reusable library of UI components and experience patterns, enabling product teams to build cohesive and accessible user experiences at scale. Working closely with the Mobile Platform team, you will set standards and provide guidance across all product teams, shaping the foundation for faster development and higher-quality products used by millions worldwide. This role involves collaborating with product and design teams, embedding accessibility best practices, mentoring engineers, and leading the migration from UIKit to SwiftUI. You will also proactively address technical debt to maintain engineering excellence and codebase health.
Requirements
- 3+ years of professional iOS development experience, ideally on large-scale or consumer-facing applications
- Fluent in Swift, with deep hands-on knowledge of both SwiftUI and UIKit, and a clear view on when and how to use each
- Experience building or contributing to a design system, component library, or shared UI framework, and understanding what it takes to make components truly reusable and scalable
- Strong grasp of testing best practices for UI components, including unit tests, snapshot tests, and UI automation
- Comfortable reviewing code and mentoring peers, with the ability to share knowledge and give constructive feedback
- Self-motivated and structured working style, with the ability to manage own priorities and communicate clearly in English
- Genuine curiosity about the iOS ecosystem, following Apple's releases closely and experimenting with new APIs
Languages
English
C2 · FluentA1A2B1B2C1C2
Experience Level
InternEntry LevelMid-levelSeniorLeadExecutive
Benefits
Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office (office-first setup)
Commitment to Diversity and Inclusion: be part of a workplace that values and promotes diversity, fostering an inclusive environment where everyone's perspectives are respected and embraced
Enrolment onto our Virtual Stock Option programme: you will own a stake in SumUp's future success
A dedicated annual L&D budget of €2000 for your individual development, which can be used to attend conferences and/or advancing your career through further education
A corporate pension scheme where we match up to 20% of your contributions
Generous time off: enjoy 28 days of paid leave plus public holidays and special leave days
Numerous other benefits such as Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches
Break4me: 1-month sabbatical after 3 years of service
Referral Bonus: earn additional rewards by referring talented individuals to join the SumUp team
💰 Net Salary Calculator
Tax class 1, no church tax
Gross Salary
€79,116/year
€6,593/month
Total Deductions
€31,538
40% effective rate
Net Salary (Take Home)
€3,964/mo
€47,578/year
Deduction Breakdown
🏛️ Income Tax€15,376
🏦 Pension Insurance€7,357
🏥 Health Insurance€6,103
🫶 Care Insurance€1,674
📋 Unemployment Insurance€1,028
🏠 Cost of Living in Berlin
Monthly Essentials
Rent (1BR)
€1231
Groceries
€280
Transport
€75
Utilities
€220
Internet
€40
Lifestyle & Entertainment
Eating Out
€13
Gym/Month
€45
Coffee
€4
Beer (0.5L)
€4
Cinema
€12
Monthly Net Salary:€3,964
Comfortable Living:€1,897
Monthly Savings:€2,067 (52%)
💰
Strong savings potential: You could save €2,067 monthly, which is €24,804 per year.
💡 These estimates are based on average costs in Berlin. Actual expenses vary based on lifestyle, neighborhood, and personal choices. "Comfortable living" includes rent, utilities, groceries, transport, and reasonable dining/entertainment.
Eligible for the EU Blue Card
A salary of €79,122 meets the EU Blue Card minimum of €45,300 (2026).
The EU Blue Card is a residence permit for highly qualified non-EU workers. It offers a fast track to permanent residency and allows family reunification.
Processing
4-12 weeks
Visa fee
€100
Requirements
University degree + Job offer
Also eligible: EU Blue Card (Shortage Occupation) (€41,042+)
Documents needed
Valid passport
Recognised university degree
Employment contract or binding job offer
Proof of salary meeting threshold
Health insurance coverage
Biometric passport photo
📍 Life in Berlin
👥
Population
3.6M
⭐
Quality of Life
8.0
🇬🇧
English Friendly
9.0
💻
Tech Scene
9.0
🌍
International
10.0
🚇
Public Transport
9.0
🚴
Bikeability
9.0
🌬️
Air Quality
6.0
🌳
Green Spaces
7.0
🚗
Car Free
8.0
ℹ️
About Berlin
- •Creative and tech hub
- •Diverse neighborhoods
- •Excellent public transport
🌤️
Climate
- •Continental climate
- •Cold winters
- •Mild summers
- •Four distinct seasons
❄️Jan: 0°C☀️Jul: 19°C📅Avg: 10°C
☀️1625 sunshine hours/year
🛡️
Safety
- •Generally safe
- •Higher petty crime than Munich
- •Some areas less safe at night
Overall:7.0
🏥
Healthcare
- •Good hospital network
- •Charité is world-renowned
- •Wait times can vary
Quality: 9.0Access: 8.0
🎭
Culture
- •World-class museums
- •Vibrant art scene
- •Rich history
🎉
Nightlife
- •Famous club scene
- •Diverse nightlife
- •24/7 culture
🏞️
Recreation
- •Many parks
- •Lakes
- •Tiergarten
- •Active outdoor scene
💰
Cost of Living
- •More affordable than Munich
- •Prices rising rapidly
- •Still cheaper than many European capitals
🏠 Rent (1BR center):€1231
⚡ Utilities:€220
🛒 Groceries:€280
🍽️ Dining out:€16
Engagement
Views
0today
7 days0
all-time4
Applies
0today
7 days0
all-time0
SumUp is a global fintech company providing mobile point-of-sale terminals, card readers, payment processing, and business tools for small merchants. Serves 4M+ merchants in 36+ markets.
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€per month
€2kthis job posts €5k – €8k€20k
Your situation in Germany
The default for anyone single, divorced or widowed.
Only changes the church tax rate — 8% in Bavaria and Baden-Württemberg, 9% everywhere else.
Childless employees over 23 pay a higher Pflegeversicherung (care insurance) rate.