Mobile iOS Engineer

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, judged by the impact it delivers to users.

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.

Basic Qualifications

• Expert in Swift, with deep knowledge of UIKit and SwiftUI.

• 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.

Preferred Skills and Experience

• Deep expertise in the Apple ecosystem and related development tools.

• Rust for working with our backend components.

• AVFoundation for real-time audio processing.

• Track record of shipping standout apps or standout features within apps.

• Deep expertise in iOS development, particularly with Swift. We seek individuals who operate at the highest levels of their craft.

• Excel at delivering results swiftly, often in a fraction of the time others require. Speed is a core value at xAI,we must act decisively to succeed.

• A sharp product sense, with an ability to empathize with users, anticipate their needs, and translate that into features that delight and deliver value.

Compensation and Benefits

$180,000 - $440,000 USD

Base salary is just one part of our total rewards package at xAI, which also includes equity, comprehensive medical, vision, and dental coverage, access to a 401(k) retirement plan, short & long-term disability insurance, life insurance, and various other discounts and perks.