Frontend Mobile Architect

DE-Mobile architect-GDSF02 At EY, you’ll have the chance to build a career as unique as you are, with the global scale, support, inclusive culture and technology to become the best version of you. And we’re counting on your unique voice and perspective to help EY become even better, too. Join us and build an exceptional experience for yourself, and a better working world for all. Role: FrontEnd Mobile Architect Experience: 10–15 Years Practice: Mobile Strategy & Delivery Excellence Role Summary We are seeking a FrontEnd Mobile Architect with deep expertise across iOS, Android, and cross-platform technologies to define scalable mobile architectures, enforce engineering standards, and guide teams across the end-to-end mobile app development lifecycle . The architect must demonstrate strong adherence to SOLID principles , declarative UI paradigms, modern state management, and enterprise-grade mobile security. Key Responsibilities Design and architect scalable, modular, high-performance mobile applications , leveraging deep understanding of declarative UI paradigms , state management, and ecosystem integrations. Define frontend architecture across Swift/SwiftUI, Kotlin/Compose, React Native, and Flutter. Architect clean, maintainable, testable solutions using Clean Architecture, MVVM-C, VIPER, Redux/MVI , and modularization strategies. Build and maintain reusable components, UI frameworks, shared libraries, and accelerators . Stay up to date with latest mobile technologies , platform updates, frameworks, tools and proactively impart knowledge to engineering teams. Govern code quality , enforce SOLID principles , SonarQube static analysis, secure coding practices, and dependency management. Ensure excellence in performance tuning, app startup, memory usage, offline support, responsiveness , and accessibility. Provide architectural alignment with backend APIs, data models, integration flows, and authentication (OAuth2.0/JWT). Review major PRs, architecture decisions, and ensure alignment with Mobile Practice guidelines. Collaborate closely with backend, security, cloud, DevOps, QA, and UX teams for seamless end-to-end delivery. Required Skills Strong architectural and hands-on experience in Swift/SwiftUI , Kotlin/Compose , and React Native or Flutter . Deep expertise in SOLID principles , Clean Architecture, state management, modularization, and scalable system design. Expert-level understanding of concurrency models: Swift async/await + Actors Kotlin Coroutines + Flow Understanding of JavaScript event loop limitations and cross-platform threading models Strong command over performance optimization , rendering pipelines, caching, concurrency, and UI frameworks. Expertise in REST/GraphQL/gRPC , API design, and offline-first patterns. Enterprise-grade security expertise: Certificate/SSL pinning Jailbreak/root detection Secure storage Encryption ProGuard/R8 rules and obfuscation Working knowledge of CI/CD pipelines, app release processes, and build automation. Nice-to-Have Experience working on RFPs, presales solutioning, and technical proposals . Ability to create architecture diagrams using draw.io, Visio , or similar tools. Strong PPT and presentation skills for architecture storytelling. Exposure to analytics, crash monitoring, A/B testing, and feature flags. Familiarity with enterprise MDM/MAM systems. Exposure to AI/ML-driven mobile features or connected app ecosystems. EY | Building a better working world EY exists to build a better working world, helping to create long-term value for clients, people and society and build trust in the capital markets. Enabled by data and technology, diverse EY teams in over 150 countries provide trust through assurance and help clients grow, transform and operate. Working across assurance, consulting, law, strategy, tax and transactions, EY teams ask better questions to find new answers for the complex issues facing our world today.