Senior Mobile Developer

Job title: Senior Mobile Developer – React Native & iOS Location: London, UK (Hybrid – 3 days per week in-office) ABOUT XYZ REALITY ────────────────────────────── XYZ Reality are the creators of the world's first and only engineering-grade Augmented Reality solution, purpose built for the construction industry. Not only have we created this holographic technology, that sits within The Atom — a smart, site-safe headset/hardhat — but we implement it on projects, utilising the power of AR to ensure that all schemes are completed in line with delivery timescales and budgets. XYZ has grown to over 100 staff across the UK, US & Europe and is working with Mission Critical organisations & construction companies to successfully deliver major projects. THE ROLE ────────────────────────────── XYZ Reality is building the world's most advanced AR platform for construction — and the mobile app is a core part of how our technology reaches the people using it on site every day. We're looking for a Senior Mobile Developer to take strong technical ownership of our React Native app — a production product used in demanding, real-world construction environments, with 360-degree capture, AR integration, offline-first workflows, and deep integrations into our wider Cloud and AR/3D platform. This is not a maintenance role. You'll help shape the architecture, drive the delivery pipeline end-to-end, work hands-on with native iOS, and partner closely with Cloud, AR/3D, and UX teams to push the product forward. If you care about performance, quality, and shipping software that makes a tangible difference on some of the world's most complex construction projects — we want to hear from you. KEY RESPONSIBILITIES ────────────────────────────── • Architect, build, and scale our React Native mobile app for construction workflows — driving modern patterns, strong TypeScript typing, and performance optimised for demanding on-site and offline-first conditions including 360-degree capture and AR integration. • Work hands-on with native iOS (Swift, with some Objective-C) to build bridges, integrate third-party native SDKs — including 360 cameras and point cloud viewers — and evolve 360-degree capture capabilities for progress tracking, reality capture, and issue management on site. • Own the mobile delivery pipeline end-to-end — including CI/CD (Xcode Cloud, Bitrise, Fastlane, or GitHub Actions), a robust automated testing strategy (unit, component, and end-to-end flows), and releases across the Apple App Store and Google Play as Android matures. • Drive Apple App Store release processes with full ownership — provisioning, code signing, TestFlight, phased rollouts, and compliance — ensuring smooth, reliable releases at pace. • Partner with Cloud, AR/3D, and UX teams on integrations and user experience — contributing hands-on development support and helping align mobile capabilities with the broader XYZ platform architecture. • Champion engineering quality across the mobile codebase — through code review, documentation, automated testing at scale, and mentoring — setting the standard for how mobile is built at XYZ. REQUIRED QUALIFICATIONS ────────────────────────────── • 5+ years of professional mobile development experience, with strong, demonstrable production experience shipping React Native and TypeScript at scale — including native modules, bridging techniques, and deep React Native optimisation. • Deep iOS knowledge — build system, app lifecycle, memory management, and debugging with Xcode Instruments — plus working Swift proficiency sufficient to read, write, and maintain native modules; Objective-C familiarity is a plus. • Proven end-to-end ownership of the Apple App Store release process (provisioning, code signing, TestFlight, submissions) and hands-on experience designing and operating mobile CI/CD pipelines (Xcode Cloud, Bitrise, Fastlane, or GitHub Actions). • Strong background in automated testing at scale (Jest, component testing, Appium or equivalent