Mobile Engineer (AI)

TL;DR

Mobile Engineer (React Native/AI): Developing next-generation AI-powered creative tools for iOS and Android with an accent on generative video workflows and real-time media playback. Focus on building complex media-rich UI surfaces and integrating real-time audio/video features.

Location: Remote across North America + Europe; offices in NYC, San Francisco, and Seattle

Salary: $240,000 – $290,000

Company

Runway is building AI world models to simulate the world by merging art and science.

What you will do

• Build and ship product features in a React Native app that integrates cutting-edge generative AI video models.
• Own features through their full lifecycle: instrument analytics, manage feature-flag rollouts, and monitor stability and usability post-launch.
• Develop complex, media-rich UI surfaces, including video playback, cropping, and multi-step storyboard builders.
• Implement an AI-powered chat assistant experience with streaming responses and rich message rendering.
• Integrate real-time audio/video features using LiveKit for character call experiences.
• Collaborate with backend and web engineers to design and consume APIs for AI tools, asset management, and billing.

Requirements

• 5+ years of industry experience in mobile engineering.
• Production experience with React Native (TypeScript), iOS (Swift/UIKit or SwiftUI), or Android (Kotlin).
• High bar for UX quality and attention to detail in interactions, animations, and visual polish.
• Experience with mobile navigation patterns, complex state management, and performance optimization.
• Familiarity with mobile media handling: video playback, image manipulation, camera, or audio.
• Experience shipping apps through the App Store and Google Play, including EAS and OTA update mechanisms.

Nice to have

• Experience building AI-powered or LLM-integrated mobile experiences.
• Background in implementing in-app purchases using StoreKit or Google Play Billing.

Culture & Benefits

• Work at the frontier of AI progress building world models.
• Collaborative environment with creative, open-minded, and ambitious people.
• Flexible remote work arrangements across North America and Europe.
• Competitive compensation package based on market rates for size, stage, and industry.