IOS Developer; Global Sport

About Us:

We are Two Circles. We are a Sports & Entertainment Marketing business. We grow audiences and revenues. We do that by knowing fans best. We work with clients to help them understand & influence what their fans are doing – the way fans spend their money, the events that fans attend, the channels fans respond to, the content fans watch and more.

And we use the understanding this gives us to help our clients grow. Grow their audiences and grow their revenues - both direct to consumer and business to business revenues. Our platforms and services are trusted by over 1000 clients globally, including the English Premier League, Red Bull, UEFA, VISA, the NFL, Nike and Amazon. We are over 1000 people, based out of 15 offices, and we deliver work for sports and entertainment businesses of all shapes and sizes all over the world.

• Build and maintain high-quality native iOS applications using Swift and Swift
  
  UI, 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.

• Proven expertise in Swift and Swift
  
  UI, 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, Circle
  
  CI, Git Hub Actions, or Azure Dev Ops.
• Hands‑on experience with agile development practices, and a pragmatic approach to testing including unit, integration, and UI testing.

• 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

We offer a benefits package to suit you and your lifestyle! Out of a core monthly budget, you can choose your own comprehensive benefit package.

• Renowned Team Days often throughout the year
• Summer Away Days
• 23 standard days of holiday (+1 Birthday, +1 Well‑being Day, +1 'Big Life Event', and +1 Admin Day), closure of office over Christmas (plus Bank Holidays)
• Discretionary Bonus based on company performance
• Performance Reviews every 6 months with discretionary salary increases
• Private healthcare (Vitality) and/or Health Care Plan (Medicash)
• Mobile phone contribution
• Sport Challenge contribution
• Gym membership contribution
• 2 x annual kit drops