Join SumUp's Mobile Platform Squad as an iOS Engineer to help build the foundation that powers the company's iOS app. You'll contribute to the robust infrastructure that enables iOS engineers across the company to work productively, directly shaping the future of mobile payments for millions of merchants. The role focuses on improving developer experience, maintaining CI/CD pipelines, evolving a mature codebase, and supporting product stability. The position is office-first, based in Berlin.
Responsibilities
- ▹Develop and maintain internal tools, frameworks, and infrastructure that support the consistency and scalability of the iOS app
- ▹Contribute to CI/CD systems and developer tooling initiatives to streamline mobile development
- ▹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
Requirements
- ▹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
Nice to have
- ▹Experience with modularized codebases, internal tooling, or Ruby scripting
Soft skills
What we offer
- ▹Virtual Stock Option programme (a stake in SumUp's success)
- ▹Annual L&D budget of €2000
- ▹Corporate pension scheme matching up to 20% of contributions
- ▹28 days of paid leave plus public holidays and special leave days
- ▹Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches
- ▹Break4me: 1-month sabbatical after 3 years of service
- ▹Referral bonus
About the company
SumUp believes in the everyday hero and creates tools that help small business owners run their businesses. With a founder's mentality and a team-first attitude, its diverse teams across Europe, South America and the United States support small business owners. SumUp is an Equal Employment Opportunity employer.