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xAIxAI

Mobile iOS Engineer

iOS engineer building high-impact AI mobile app with pixel-perfect UIs, performance optimization, and API integrations. Requires deep Swift expertise, concurrency skills, and product-minded approach for end-to-end feature ownership.

About the job

About the Role

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

Requirements:

  • Expert in Swift, with deep knowledge of UIKit and SwiftUI.
  • Proficient in performance optimization—memory, CPU, GPU—using low-level tools.
  • Experienced in designing and shipping intuitive, pixel-perfect mobile UIs.
  • Skilled in concurrency and reactive programming (Combine).
  • Built high-throughput integrations with APIs (REST, gRPC) or AI model outputs.
  • Capable of owning complex features end-to-end, from architecture to App Store deployment.

Nice-to-Haves:

  • Deep expertise in the Apple ecosystem and related development tools.
  • Rust for backend components.
  • AVFoundation for real-time audio processing.
  • Track record of shipping standout apps or features.

What You’ll Do:

  1. Dream up and craft delightful, intuitive user experiences for AI on mobile.
  2. Obsess over every pixel, animation, and interaction.
  3. Build blazing-fast, highly performant systems.
  4. Drive technical and product decisions, collaborating with AI researchers and engineers.

Who You Are:

  • Technically Exceptional: Deep expertise in iOS development, particularly Swift.
  • Efficient: Deliver results swiftly.
  • Hardworking.
  • High Agency: Take initiative.
  • Product-Minded: Sharp product sense and user empathy.

Compensation & Benefits:

  • Annual Salary Range: $180,000 - $440,000 USD
  • Equity, comprehensive medical/vision/dental, 401(k), disability/life insurance, perks.

Skills

Swift, Uikit, SwiftUI, Combine, Rest, gRPC, Avfoundation, Rust

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