Lead Mobile Engineer Smart Spaces is transforming how people interact with their workplace. Our platform delivers seamless smart-building experiences - from mobile access and room bookings to climate controls and social engagement - all from one app. We are looking for a Lead Mobile Engineer with a strong track record of Flutter experience to own the client-facing apps that drive our smart-building tenant experience. Our application allows for mobile credentials, desks, rooms, parking, and catering bookings - as well as building controls and other social features. We integrate with many third party SDK's (BLE locker control, Mobile Access Cards, Indoor Wayfinding etc) and some knowledge of Swift/Java will be useful for those integrations. Strong UI/UX is a must, as the core development will be full-stack. Most functionality is written by the API or integrations team but we need a strong developer that can do both. We're looing for a strong candidate who will set the technical direction for mobile, and have strong leadership mindset as will be mentoring a team. (4 others) This role with is a cross functional role with closely with other teams as well as working directly with the CTO and Head of Product to shape and deliver the roadmap. We are looking for a pro-active, product mindset, who can work autonomously and collaboratively in a team. Role Summary As Lead Mobile Engineer, you will: Own the Mobile Roadmap: Work with the CTO and Head of Product to define and deliver a secure, scalable, and delightful mobile experience. Lead the Mobile Squad: Coach and mentor a talented team of engineers, run sprint planning, unblock issues, and raise risks early. Ensure Engineering Excellence: Drive a best-practice approach to testing, code quality, monitoring, crash reporting, and observability. Integrate Seamlessly: Work closely with back-end and integration teams to deliver functionality across complex third-party SDKs (BLE, mobile access, indoor wayfinding, etc.). Champion User-Centricity: Leverage app analytics and crash data to inform improvements to app health and user experience. Your Responsibilities Build and refine our Flutter apps: Clean UI, smooth animations, solid performance, low errors. Own mobile architecture: State management, networking, CI/CD and release pipelines, strong testing frameworks, monitoring and alerting. Lead the squad: Plan Sprints, unblock engineers, coaching and mentoring, raise risks early. Collaborate effectively with cross-functional teams and stakeholders to ensure technical choices align with product goals. Track and improve app health: Telemetry and insights to track tech debt and improvements, and improve crash-free rates, render times, and store ratings Provide code reviews, feedback, and mentorship to junior developers. Required Skills 3 years working on production Flutter apps used by thousands 5 years working on iOS and Android development (Swift / Java / Flutter) 10 years of professional software engineering experience Deep knowledge of modern state-management Hands-on monitoring expertise - Firebase Crashlytics, Sentry, New Relic, or equivalent. Strong written and verbal communication skills, especially when articulating technical decisions to non-technical colleagues Organised and resilient, with the ability to manage multiple priorities and maintain clarity in a fast-moving environment. Motivated by the opportunity to take ownership and build on the foundations already in place, strengthening people practices in a fast-paced, evolving environment. Desired Skills Prior team-lead or tech-lead experience - delivery management and mentoring Exposure to large-scale booking or other transactional systems Knowledge of .NET or JavaScript-based backends Exposure to BLE, mobile credentials, or indoor navigation SDKs Why Join Us? Impact at Scale: Be the driving force behind apps used by thousands of people across some of the worlds most innovative buildings. Product Ownership: Take full responsibility for the mobile experience, from roadmap to release. Supportive Leadership: Report directly to the CTO, with a seat at the table in shaping both product and technology direction. Future-Focused: Build tech that supports frictionless, sustainable, and people-centric workspaces. We believe in creating a people based business, our values reflect this in: We care and are conscientious. We are personable and respectful. We are passionate and enthusiastic. Our 10-year goal is for 1 billion square ft of global office space to be powered by Smart Spaces. Its a big goal but we believe with the above values and a strong sense of commitment and determination, we can make this a reality. Employment is subject to the provision of proof of eligibility to work in the UK. Benefits include: Competitive salary Hybrid working (London based office) 25 days annual leave holiday bank holidays Private medical insurance Life insurance cover Family leave Optical care Cycle to work scheme We support professional development with training & education opportunities available Enhanced maternity & paternity pay Employee discounts & reward programme REF-224 221