Skip to content
xAIxAIPalo Alto, CA

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.

180k – 440k
HybridiOS Engineering

About the role

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

SwiftUikitSwiftUICombineRestgRPCAvfoundationRust

Similar roles

iOS Engineering jobs
Cape

Software Engineer - iOS

CapeNew York, NY

iOS Engineer building Cape's privacy-first mobile app using Swift and SwiftUI. Own feature lifecycle from architecture to App Store launch, solving hard problems in security, cryptography, and cellular tech. Requires 4+ years iOS experience and strong CS background.

180k – 235k
Hybrid4+ YOEiOS Engineering
OpenAI

iOS Engineer, ChatGPT Mobile Infrastructure

OpenAISan Francisco, CA +2

Staff+ iOS engineer building foundational Swift frameworks, improving performance and reliability for ChatGPT mobile apps. Requires strong Swift fundamentals, platform architecture expertise, and ownership mindset.

185k – 385k
On-siteiOS Engineering
Sesame

iOS Engineer, Device Integration

SesameSan Francisco, CA +1

Develops iOS companion app for wearable devices, integrating with hardware/firmware for seamless setup, account management, OTA updates, and personalized experiences. Requires strong iOS frameworks knowledge, Core Bluetooth expertise, and experience with IoT/wearables.

175k – 280k
On-siteiOS Engineering
Sesame

iOS Engineer

SesameSan Francisco, CA +2

Builds and leads development of a standalone iOS companion app for voice agents, focusing on design-forward, low-latency UI and complex features. Ships production apps with expertise in modern iOS patterns, real-time comms, and performance optimization.

175k – 280k
On-siteiOS Engineering
Figma

Software Engineer, iOS

FigmaSan Francisco, CA +1

Build and maintain Figma's iOS app, collaborating with PMs, designers, and engineers to deliver features using Swift, SwiftUI, and UIKit. Requires 4+ years of iOS experience and strong product sense.

153k – 376k
Remote4+ YOEiOS Engineering