Mobile iOS Engineer at xAI

London, UK

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We’re seeking an exceptional iOS engineer to join a small, high‑impact team dedicated to creating the world’s most valuable AI application, judged by the impact it delivers to users. You’ll shape cutting‑edge mobile experiences, blending technical mastery with product brilliance.

Salary

GBP 107,000 - 262,000

Requirements

Skills

  • Expert in Swift, with deep knowledge of SwiftUI and UIKit
  • Proficient in performance optimization—memory, CPU, GPU—using low-level tools to deliver blazing‑fast systems
  • Experienced in designing and shipping intuitive, pixel‑perfect mobile UIs that redefine how users interact with AI
  • Skilled in concurrency and reactive programming (Combine) for responsive, real‑time apps
  • Built high‑throughput integrations with APIs (REST, gRPC) or AI model outputs, ensuring seamless data flow
  • Capable of owning complex features end‑to‑end, from architecture to App Store deployment, with a focus on speed and scalability
  • Deep expertise in the Apple ecosystem and related development tools
  • Rust for working with backend components
  • AVFoundation for real‑time audio processing
  • Track record of shipping standout apps or features within apps
  • Excel at delivering results swiftly, often in a fraction of the time others require
  • Sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value

Responsibilities

  • Dream up and craft delightful, intuitive user experiences that redefine how people interact with AI on mobile
  • Obsess over every pixel, animation, and interaction, ensuring the experience feels magical and seamless
  • Build blazing‑fast, highly performant systems where every millisecond counts
  • Drive technical and product decisions, collaborating with AI researchers and engineers to deploy state‑of‑the‑art models globally

Technologies

SwiftSwiftUIUIKitCombineRESTgRPCApple ecosystemRustAVFoundation

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