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# iOS Engineer

- **Company:** Sumup Inc.
- **Location:** UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Agile Methodology, Code Review, Continuous Integration, Human-Computer Interaction, Pair Programming, Backend, Modularization, Api Design, Objective C++, Restful APIs
- **Published:** September 5, 2026
- **Apply:** https://startup.jobs/senior-ios-engineer-sumup-7882744

## About the Role

* Strong proficiency in Swift and deep knowledge of the iOS framework (Objective-C knowledge is a plus).
 * Solid understanding of RESTful API integration and experience working with backend engineers on API design.
 * Experience working with agile methodologies, CI/CD pipelines, and pair programming.
 * Deep care for user interaction, usability, and interface quality-you build things that feel great to use.
 * Ability to understand a large problem, design a solution, break it into deliverable chunks, and ship it independently.
 * Passion for clean, maintainable, and testable code and a genuine pride in your craft.
 * Mature, business-minded approach-balancing high-quality engineering with pragmatism in a fast-paced environment.
 * Self-driven and proactive nature, comfortable owning a domain with limited direct oversight.
 * Previous experience in payments, financial services, or fintech environments is a strong plus.

## Description

* Build and ship features across key consumer banking product areas-including KYC flows, card management, savings, open banking consent, and payment experiences.
 * Write clean, testable Swift code and participate actively in code reviews to uphold high engineering standards across the codebase.
 * Contribute to and evolve the iOS app architecture, including modularisation, dependency management, and scalability patterns as the product grows.
 * Own performance and reliability by monitoring crash rates, proactively identifying issues, and driving app stability before they impact consumers.
 * Maintain a culture of quality by writing unit and UI tests and contributing to the health of our CI/CD pipelines.
 * Collaborate cross-functionally with Backend Engineers on API design, Product Managers on roadmap priorities, and Designers on seamless user experiences.


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