iOS Developer

Two Circles; City Of London; Hybrid; GBP 50,000 - 70,000; Full time

Job summary

A dynamic technology company in London is looking for an experienced iOS Engineer to develop high-quality mobile applications. You will work on exciting projects for top sports brands, collaborating with a passionate team in a hybrid work environment. The ideal candidate has expertise in Swift and SwiftUI, with a strong understanding of scalable architectures. This role offers the opportunity to impact fan engagement across global sports.

Qualifications

• Proven expertise in Swift and SwiftUI, ideally with multiple apps shipped.
• Strong understanding of scalable app architectures like MVVM-C or TCA.
• Comfortable working in CI/CD environments.

Responsibilities

• Build and maintain high-quality native iOS applications using Swift.
• Collaborate with internal teams to develop mobile features.
• Contribute to architectural decisions with a focus on scalability.

Skills

Swift

SwiftUI

Scalable app architectures

CI/CD environments

Agile development practices

Tools

Bitrise

CircleCI

GitHub Actions

Azure DevOps

Job description

About Us

As part of our exciting growth journey, we’re expanding our Mobile Engineering team and are on the lookout for a talented iOS Engineer to join us on a hybrid basis at our London office.

This is a rare chance to work on high impact greenfield products for some of the biggest and most iconic sports brands in the world. You’ll be at the forefront of building modern, scalable apps from the ground up, helping shape the future of fan engagement across global sport.

You’ll bring deep technical expertise and strong delivery focus. Contributing high-quality code, collaborating closely with our in-house teams, and helping us hit key milestones.

You’ll be embedded in a passionate, cross-functional team and supported to do your best work while working on fast-moving, purpose-driven projects that reach millions of fans worldwide

• Build and maintain high-quality native iOS applications using Swift and SwiftUI, with a focus on fast delivery and maintainable architecture.
• Work closely with internal teams and client stakeholders to develop end-to-end mobile features that align with product goals and timelines.
• Contribute to architectural decisions in collaboration with senior engineers — with a strong emphasis on scalability, testability, and performance.
• Collaborate with cross-functional squads (designers, PMs, QA, backend) to ship new features to live apps used by sports fans worldwide.
• Ensure a high standard of quality through code reviews, testing, and engineering best practices.
• Join a hybrid working environment, with 2 days per week in our London office to enable strong collaboration on fast-moving projects.

What We’re Looking For

• Proven expertise in Swift and SwiftUI, ideally with multiple apps shipped to the App Store or in production use.
• Strong understanding of scalable app architectures (e.g. MVVM-C, TCA, modularisation, dependency injection).
• Passion for delivering high-quality UI/UX that adapts well across screen sizes and device types.
• Comfortable working in CI/CD environments, using tools like Bitrise, CircleCI, GitHub Actions, or Azure DevOps.
• Hands-on experience with agile development practices, and a pragmatic approach to testing including unit, integration, and UI testing.

Nice To Have

• Experience working on sports, media, or gamification apps, particularly those with high user engagement or real-time data.
• Familiarity with live data integration, streaming APIs, or event-based user experiences.
• Personal passion or understanding of sports