Senior iOS Swift Engineer

Salary: £69,000 - 109,000 per year

Requirements:

• Strong experience building and maintaining customer-facing iOS applications using Swift and SwiftUI.
• Deep knowledge of iOS development, including concurrency, performance, memory management, testing, accessibility and security.
• Sound architectural and API-design judgement, with a focus on simple, maintainable solutions and an excellent developer experience.
• A proactive engineer who identifies problems, shapes practical solutions and influences improvements beyond their immediate team.
• A collaborative teammate who raises the capability of others through coaching, pairing and knowledge sharing.
• Comfortable constructively challenging ideas, while remaining open-minded and willing to change course when better evidence emerges.
• Genuine curiosity about mobile engineering and the evolving iOS platform.
• Background in fintech, banking or another regulated, high-trust environment where reliability and customer confidence matter.
• A track record of building shared libraries, platform capabilities or design systems that help engineering teams move faster.
• Strong hands-on knowledge of UIKit and its place within modern iOS development.
• Proven impact improving mobile CI/CD pipelines, release processes and developer tooling.
• Confidence using AI-assisted development tools thoughtfully to improve productivity and code quality.

Responsibilities:

• Partner closely with the Engineering Manager, Principal Mobile Engineer and Head of Mobile Engineering to deliver our mobile strategy.
• Help shape the technical direction and standards for iOS across our company.
• Design and evolve shared modules, APIs, architecture and developer tooling that enable multiple teams to build and ship with confidence.
• Identify technical risks early, using data, profiling and observability to improve performance, reliability and developer experience.
• Stay highly hands-on, delivering production-quality Swift and SwiftUI code across platform and customer-facing product work.
• Raise the capability of other engineers through pairing, code reviews, technical discussions and knowledge sharing.
• Work closely with Product, Design, Backend and Android colleagues to make well-rounded decisions, influence direction and respect each disciplines expertise.

Technologies:

• AI
• API
• Android
• Backend
• CI/CD
• Mobile
• Security
• Swift
• UIKit
• iOS

More:

We are Zopa, a mobile-first bank that launched in 2020 after starting our journey in 2005 as the first peer-to-peer lending company. We are redefining finance by putting customers front and centre and building a business that empowers people to aim high every day. Our Mobile Platform team owns shared capabilities across our iOS app, including architecture, shared modules, design system, observability, developer tooling and CI/CD, and we are focused on making our iOS platform fast, reliable, accessible and easy to build on. This hybrid role is based in our London office 2-3 days a week, and we offer flexible working with the option to work from abroad for up to 120 days a year, subject to the right to work in the country of choice. We are proud of our award-winning culture, our top-three UK Most Loved Workplaces recognition, and our commitment to diversity, inclusion and AI fluency across the workforce.

last updated 36 week of 2026