Senior / Technical Lead - Flutter (Mainly hands-on with oversight of a team of 4) London (Hybrid) - 2 x a week onsite intially for first couple of months then potential to be more remote £90,000-£110,000 (Maybe scope for more) We’re partnering with a fast-growing company that’s transforming how people interact with tech. Join a workplace-tech innovator building one of the world’s most advanced smart-building platforms, powered by digital twins, real-time analytics, and seamless third-party integrations They’re now looking for a Lead Mobile Engineer with deep Flutter expertise to take ownership of their client-facing apps. This is a hands-on technical leadership role, you’ll set the technical direction, mentor a small team, and work directly with senior leadership to deliver the roadmap. What you’ll be doing: Own the mobile roadmap & architecture (Flutter, Swift, Java) Lead from a technical perspective: design, code, review, and mentor Integrate with complex third-party SDKs (BLE, mobile access, indoor wayfinding) Drive engineering excellence in testing, performance, monitoring, and CI/CD Collaborate closely with back-end and product teams to deliver new features What we’re looking for: 3 years of Flutter app development in production environments Strong background in iOS/Android (Swift/Java) Experience with state management, testing frameworks, monitoring tools (Crashlytics, Sentry, etc.) Ability to guide technical decisions and mentor engineers Excellent communication skills, with a focus on user experience If you’re passionate about building world-class mobile apps and want to lead the technical vision for a platform used by thousands every day, we’d love to hear from you.