SumUp
Cologne, Germany
Full-time
5 days ago
About the team: The Mobile Platform Squad is the backbone of SumUp's iOS engineering — we build and maintain the foundation that every iOS…
About the Opportunity
We are seeking a Senior / Mid-level iOS Engineer to drive the evolution of our payment features within the Payments segment.
Our Payments Team does the heavy lifting behind money movement—powering seamless transactions across regional and global networks. We believe in building high-performance, rock-solid mobile experiences that make sending and receiving money feel effortless and secure. This is a unique opportunity to own a critical domain of a banking app used by millions, where your code directly impacts how users manage their daily financial lives.
This is a hybrid role from one of our Barcelona or Berlin offices.
Develop and scale core payment features within the N26 iOS app using modern Swift.
Write clean, testable, and highly maintainable code, following modular architecture principles and modern iOS design patterns.
Collaborate cross-functionally with Product Managers, Product Designers, and Backend Engineers to take features from inception to production.
Drive engineering excellence across the mobile community through active code reviews, tech talks, and contributions to shared core libraries.
Ensure app performance, security, and reliability, proactively identifying and resolving bottlenecks in critical payment pathways.
What you need to be successful
Proven professional iOS development experience, ideally within consumer-facing, security-sensitive applications at a fast-paced product company or fintech disruptor.
Formal background in Computer Science, Software Engineering, or equivalent practical, hands-on experience.
Strong Swift & iOS SDK expertise, with a deep understanding of core concepts like concurrency, memory management, and local data persistence.
Architectural awareness: Experience working with modern architecture patterns (MVVM, VIPER, or Modular Architecture) in large-scale codebases.
Quality-first mindset: Hands-on experience writing
Neutral 2–4 sentence summary of what working at this company is like, drawn from public reviews and press coverage. Tone, collaboration style, pace, benefits highlights.
£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
About the team: The Mobile Platform Squad is the backbone of SumUp's iOS engineering — we build and maintain the foundation that every iOS…
About the team: The Mobile Platform Squad is the backbone of SumUp's iOS engineering — we build and maintain the foundation that every iOS…
About the opportunity The Digital Identity team at N26 owns the authentication and login experience — the moment every customer interacts w…
Company Description Wise is a global technology company, building the best way to move and manage the world’s money. Min fees. Max ease. Ful…
IOS Developer Location: Manchester (2 days per week in-office) Client engineering team in Manchester. You'll be taking ownership of our flag…
About the RoleA Y Combinator-backed consumer wearable AI startup is hiring a Founding Full-Stack iOS Engineer to own the company's companion…