Software Engineer 4 (Mobile)

**This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer 4 (Mobile) based in United States.** This role offers the opportunity to build a next-generation mobile product from the ground up in a fast-moving engineering environment. You will contribute to innovative solutions that combine mobile development, AI-assisted workflows, spatial computing, and advanced property data technologies. Working as part of a small, high-performing team, you will have significant influence over architecture, product direction, and user experience. The position requires strong technical ownership, a passion for shipping quality software, and the ability to thrive in an evolving environment. You will design complex mobile capabilities, collaborate with backend and machine learning teams, and solve challenging engineering problems. This is an ideal opportunity for an experienced iOS engineer who enjoys autonomy, innovation, and building impactful products. ### Accountabilities: As a Software Engineer 4 (Mobile), you will lead the development of a core mobile application, owning key technical areas while contributing to product innovation and engineering excellence. You will work closely with cross-functional engineering teams to deliver reliable, scalable, and user-focused mobile experiences. - Lead the development and evolution of a production iOS application. - Design and implement advanced mobile features, including LiDAR scanning, augmented reality, and floor-plan rendering capabilities. - Prototype new iOS concepts and innovative ways to visualize and interact with complex data. - Build and improve offline-first synchronization systems connected to backend services. - Collaborate with backend and machine learning engineers to integrate technical solutions into a polished mobile experience. - Own major application subsystems from architecture and implementation through testing and maintenance. - Make technical decisions that influence application structure, scalability, and long-term product direction. - Use AI coding agents effectively as part of the development workflow, while maintaining ownership of code quality, architecture, and correctness. - Review, validate, and improve AI-generated code through strong engineering judgment and debugging practices. ## Requirements: The ideal candidate is a senior mobile engineer with deep iOS expertise, strong ownership skills, and experience building production applications. You should be comfortable working with emerging technologies, ambiguous requirements, and AI-assisted development workflows. - 5+ years of experience building and shipping production iOS applications. - Deep expertise in SwiftUI and experience working with large-scale codebases. - Strong knowledge of Swift Concurrency, including actors, @MainActor, and Sendable under Swift 6 strict mode. - Experience with SwiftData or Core Data, including production-level schema migrations. - Experience designing networking and offline synchronization solutions using technologies such as URLSession, Codable, authentication flows, token refresh, retries, and data reconciliation. - Proven experience using AI coding agents in real-world development workflows, including tools such as Claude Code or similar agentic solutions. - Strong testing mindset with experience using xcodebuild, CI workflows, and quality-focused development practices. - Excellent debugging skills with the ability to investigate issues across application code, frameworks, and generated solutions. - Ability to work independently, manage ambiguity, and take ownership of complex technical challenges. - Experience with ARKit, RoomPlan, SceneKit, Metal, spatial computing, or 3D capture technologies is a strong advantage. - Familiarity with 2D/3D geometry, SIMD mathematics, OAuth/OIDC, macOS/AppKit, or backend technologies such as FastAPI and Python is a plus. ## Benefits: - Competitive salary ra…