iOS Engineer - Mobile Platform

About the role

Join SumUp's Mobile Platform Squad as an iOS Engineer and become part of the foundation that powers our iOS app. 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.

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 you'll need

• 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

What they offer

• Virtual Stock Option programme
• €2000 annual L&D budget for conferences and education
• Corporate pension scheme with up to 20% contribution matching
• 28 days paid leave plus public holidays
• Urban Sports Club subsidy, Kita placement assistance, subsidised office lunches
• 1-month sabbatical after 3 years of service