Senior App Developer
Legend is building the next generation of sports media with an app designed to bring fans closer to the action through immersive, real-time experiences. This role is for an App Developer who will help drive the technical direction of the mobile app, collaborate with an external agency during a transition period, and play a crucial role in establishing the in-house engineering team. This is a hands-on position focused on shaping architecture, writing high-quality code, and directly contributing to a product that sports fans will enjoy.
- Build, maintain, and enhance mobile applications using React Native, Expo, EAS, and TypeScript, ensuring smooth performance and platform scalability.
- Work closely with product, design, and backend teams to deliver high-quality, user-centric features.
- Manage OAuth flows and integrations with identity providers like Google and Apple, ensuring secure handling of user data.
- Collaborate with backend engineers to optimize API efficiency, and handle client-side data fetching, caching, and synchronization.
- Define and implement QA processes with automated unit, integration, and end-to-end testing through CI/CD pipelines.
- Manage app releases through TestFlight and App Store Connect, and guide expansion to Android and Google Play distribution.
- 5+ years of software development experience, including 3+ years building mobile apps with React Native.
- Strong expertise with React, Expo, EAS, and TypeScript.
- Deep knowledge of iOS development, Apple Human Interface Guidelines, and app distribution via TestFlight.
- Proven experience with animations, performance optimization, and responsive mobile design.
- Experience integrating third-party identity providers (e.g., Google, Apple) and handling secure authentication flows.
- Proficiency with testing frameworks (Jest, Detox, Testing Library) and CI/CD workflows in agile environments.
- Familiarity with Git, backend API integration, and client-side data management strategies.
- Preferred: Experience with Swift, Android development, Google Play distribution, or high-traffic consumer apps.
- Preferred: Understanding of geolocation, deep linking, and offline data strategies.
- Preferred: Background in sports, media, iGaming and high-traffic consumer apps.
- Super smart colleagues to work alongside and learn from.
- Engaging development opportunities at all levels.
- Tailored flexibility for your work-life balance.
- Annual discretionary bonus to reward your efforts.
- Paid annual leave PLUS a well-deserved break to recharge your batteries during the festive season (offices closed between Christmas and New Year's).
- Long term incentive plan so we can all share in the growth and success of Legend.
- Exciting global Legend events, where we unite in person to ignite our shared passion and unveil the exciting strategies for the year ahead!
Welcome to Legend, the home of next-level player experience. We're pioneering the way that people, explore, play and bet on what they love. The engine behind 25+ world-class brands in Sports & Gaming. Join a 800+ global team, across 10 global hubs, confidently growing world-leading brands. Driven by data, creativity and collaboration, we move fast, learn constantly and deliver excellence at scale. Our formula to becoming the ‘MVP’ in Sports & Gaming = Mindset. Vision. Performance. Legend is a place where high-performers thrive. Where we win as one and celebrate together. If you're ready to raise the bar, we want to meet you.

