About the role
Join SumUp's Mobile Platform Squad as an iOS Engineer and become part of the foundation that powers our iOS app. With significant investment in our mobile products, we are empowering feature teams to deliver world-class experiences. You will contribute to building the robust infrastructure that enables iOS engineers across the company to operate with productivity and efficiency, directly shaping the future of mobile payments for millions of merchants.
Our engineering culture champions autonomy, collaboration, and innovation. Your work will have a meaningful impact, connecting you with mobile engineers across the organization.
This role focuses on:
Improving Developer Experience: Building and maintaining tools and infrastructure that enhance the developer experience, reduce build times, and streamline workflows for our mobile engineering team.
Maintaining CI/CD Pipelines: Contributing to the reliability and efficiency of our CI/CD systems, helping feature teams ship with confidence.
Evolving a Mature Codebase: Participating in the improvement of our iOS codebase, focusing on simplicity, maintainability, and long-term health.
Supporting Product Stability: Providing foundational support across our iOS products, ensuring consistency and reliability for merchants worldwide.
What you'll do:
Develop and maintain internal tools, frameworks, and infrastructure that support the consistency and scalability of our iOS app.
Contribute to CI/CD systems and developer tooling initiatives to streamline mobile development processes.
Participate in tackling technical debt and improving code health in a complex, mature codebase.
Collaborate closely with mobile engineers across squads, providing support and sharing knowledge.
Take ownership of well-scoped platform initiatives from implementation through to delivery.
What We're Looking For
3+ years of professional iOS development experience, with solid knowledge of Swift and modern iOS frameworks.
Experience with or genuine interest in CI/CD pipelines (e.g., GitHub Actions, Fastlane) and developer tooling.
A good understanding of testing methodologies, architecture patterns, and design principles.
A pragmatic and flexible mindset - comfortable working outside the boundaries of a typical feature team.
The ability to navigate and improve complex, mature codebases with adaptability and curiosity.
Strong communication and collaboration skills, with comfort in frequent context switching.
Bonus Points (Nice to Have)
Experience with modularized codebases, internal tooling, or Ruby scripting.
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
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.
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