• Design, build, and maintain native iOS (Swift / SwiftUI) and Android (Kotlin / Jetpack Compose) applications • Own the Built Inspection Application end-to-end, including architecture, quality, stability, and long-term scalability • Lead complex feature development from concept through production and post-launch support • Architect secure, performant, and maintainable mobile solutions • Ensure strong standards for testing, observability, performance, accessibility, and offline/data-sync behavior • Define and drive mobile engineering standards across Built, including architecture patterns, tooling, CI/CD, testing, and release processes • Make thoughtful technical decisions that balance delivery speed with long-term platform health • Proactively identify and address technical debt, platform risks, and scalability concerns • Act as a subject-matter expert for mobile engineering across the company • Partner closely with Product and Design to translate business needs into high-quality mobile experiences • Collaborate with Backend and Platform teams to define APIs and end-to-end system behavior • Influence product and technical roadmaps through feasibility assessments and tradeoff analysis • Mentor and support other engineers through code reviews, design reviews, and knowledge sharing • Help raise the overall engineering bar across the organization • Contribute to hiring, onboarding, and the growth of mobile engineering talent at Built