As an iOS Engineer in the Design System team, you will translate SumUp’s design language into an easy-to-use, reusable library of user interface components and experience patterns, enabling product teams to build cohesive and accessible user experiences. The Design System team collaborates closely with the Mobile Platform team to provide guidance and set standards for all product teams across the company. 

The Design System team is expanding to cover SumUp’s growing ecosystem of merchant and consumer-facing products. This role offers a unique opportunity to optimize and expand a system that helps developers build features faster and deliver high-quality experiences to millions of users worldwide.

What you’ll do

• Shape the core experience of users and developers interacting with SumUp’s Android ecosystem.
• Work closely with the product and design team to build components that are maintainable, usable, beautiful and consistent.
• Embed accessibility best practices into every component (content descriptions, touch target size, color contrast, dynamic type).
• Provide hands-on technical support to product teams to deliver company priorities, such as the upcoming brand refresh.
• Review code contributions, enforce design‑system conventions, and guide engineers on best practices for reusable UI development.
• Migrate legacy UIKit-based components to SwiftUI while maintaining system stability
• Identify and address tech debt proactively to ensure a high bar for engineering excellence and codebase health.

You’ll be great for this role if

• You have 3+ years of professional experience in iOS development.
• You are fluent in Swift and Objective-C, with deep knowledge of both SwiftUI and UIKit.
• You take pride in crafting accessible user experiences and have a strong grasp of testing best practices.
• You have a self-motivated, clearly structured working style and excellent English communication skills.
• You enjoy keeping up to date with advancements in the iOS ecosystem and are excited about sharing your knowledge with the iOS community.

Why you should join SumUp

🌎 Opportunity to work with SumUppers globally on large-scale fintech products used by millions of businesses worldwide, from our Berlin office. This involves an 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 you 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

About SumUp

We believe in the everyday hero.

Small business owners are at the heart of all we do, so we're creating tools that help them run their businesses. With a founder’s mentality and a 'team-first’ attitude, our diverse teams across Europe, South America and the United States work together to ensure that the small business owners we partner with can be successful doing what they love. 

SumUp is an Equal Employment Opportunity employer that proudly pursues and hires a diverse workforce. SumUp does not make hiring or employment decisions on the basis of race, colour, religion or religious belief, ethnic or national origin, nationality, sex, gender, gender identity, sexual orientation, disability, age or any other basis protected by applicable laws or prohibited by company policy. SumUp also strives for a healthy and safe workplace and strictly prohibits harassment of any kind.

SumUp will not accept unsolicited resumes from any source other than directly from a candidate

At JetBrains, code is our passion. Ever since we started, back in 2000, we have been striving to make the strongest, most effective developer tools on earth. By automating routine checks and corrections, our tools speed up production, freeing developers and businesses to grow, discover, and create.

IntelliJ IDEA revolutionized the Java development tool market back in 2001, becoming the first IDE to offer automated code refactoring. It continues to drive innovation in software development, making thousands of programmers more productive every day. In addition to Java, IntelliJ IDEA includes various development tools for other prominent languages such as Ruby, Groovy, Scala, Python, JavaScript, Objective-C, PHP, and Kotlin.

We’re currently seeking a full-stack QA Engineer to join a new, challenging project within the IntelliJ IDEA team – the IntelliJ LSP initiative. This role requires adaptability, multitasking, and a hands-on approach to maintain a high quality while supporting rapid product iteration.

As part of our team, you will: 

• Manage project quality: monitor progress, identify risks, and ensure results meet quality standards.
• Collaborate with development and product teams on development tasks.
• Test new and existing functionality.
• Search for and localize bugs.
• Create test documentation.
• Define our testing strategy. 
• Create and maintain automated tests. 
• Set up test infrastructure.
• Accept product releases.

We will be happy to have you on our team if you: 

• Have experience with at least one OOP programming language, preferably Java or Kotlin.
• Have practical experience with at least one build system (such as Gradle or Maven). 
• Have experience in writing automated tests.
• Are familiar with some CI/CD tools.
• Have experience in exploratory testing.
• Have sufficient project management skills.
• Work independently, learn quickly, take initiative, and manage tasks well.
• Have excellent communication skills.
• Are proficient in spoken and written English.

We'd be especially thrilled if you: 

• Have experience working with VSCode.
• Are familiar with IntelliJ IDEA.
• Have experience building automated testing infrastructure and processes.

Why join JetBrains?

• Strong base salary. We offer competitive pay that reflects your skills and experience.
• Flexible work location. Enjoy the freedom to work from home or from the office.
• Remote work. Spend up to 30 days per year working remotely from abroad.
• Extra time off. More days to relax, recharge, and do the things you love.
• Medical insurance allowance. Enjoy peace of mind for you and your family.
• Learning and development opportunities. Access to conferences, courses, and language classes.
• Relocation support. We help make your move as smooth and stress-free as possible.
• Language classes. Pick up the local language or sharpen your English skills.
• Fuel your day. Enjoy a hot meal or receive a lunch allowance on workdays.
• Mental health support. To help you feel your best, we provide easy access to professional mental health services.
• Sports benefit. Enjoy an on-site gym or sports club stipend.
• Internal events. Join company-wide celebrations and team gatherings.

*Some benefits may vary depending on location.

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