Responsibilities
- Build and ship iOS features for KYC flows, card management, savings, open banking consent, and payment experiences.
- Write clean, testable Swift code and participate in code reviews.
- Evolve the iOS application architecture through modularisation, dependency management, and scalability patterns.
- Monitor crash rates, identify issues proactively, and improve application performance and reliability.
- Write unit and UI tests and contribute to CI/CD pipeline health.
- Collaborate with backend engineers on API design and with product, design, and Android teams on delivery and user experience.
Requirements
- 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 collaborating with backend engineers on API design.
- Experience with agile methodologies, CI/CD pipelines, and pair programming.
- Strong focus on usability, interface quality, clean code, maintainability, and testability.
- Ability to design solutions, break complex problems into deliverable chunks, and ship independently.
- Self-driven, proactive, and comfortable owning a domain with limited direct oversight.
- Previous payments, financial services, or fintech experience is a strong plus.
Benefits
- Virtual Stock Option programme.
- Annual learning and development budget for conferences and further education.
- Health and life insurance, including optical and dental cover and life assurance of 2x salary.
- Corporate pension scheme and referral bonus.
- 28 days of paid leave plus public holidays and special leave days.
- One-month paid sabbatical after three years of service.
- Opportunities to attend global offsites and hackathons.
- Global, inclusive working environment with colleagues across more than 90 nationalities.
Tech Stack
Categories
About SumUp
SumUp is a leading global fintech company committed to levelling the playing field for small businesses. Founded in 2012, we’re the trusted partner of over 4 million merchants in 37 markets, providing simple and affordable tools that help them manage payments, finance, and customer relationships. Our vision is a world where everyone can build a thriving business. Guided by this, we champion small business ownership by creating accessible solutions that empower entrepreneurs to grow and succeed. Our diverse team of over 3,000 SumUppers — representing more than 90 nationalities across 20 offices worldwide — is at the heart of our success. Beyond business, we donate 1% of the net revenue generated by Solo devices to environmental causes and support educational and entrepreneurial initiatives around the world. Recognised as a Top Global Employer for inclusion by the Stonewall Workplace Equality Index in 2022 and 2023, and awarded Fintech Diversity Initiative of the Year at the Irish National Fintech Awards in 2025, SumUp continues to build an inclusive, supportive, and purpose-driven workplace where everyone belongs.