Senior Mobile Engineer (Flutter, Swift)

About Chapter AI

ChapterAI is an applied computer vision company. We believe that artificial intelligence will deliver the next chapter in human evolution, transforming how we live, work, and interact with technology. Our goal is to harness these new computer vision capabilities to solve significant and meaningful problems. We’re looking for a Senior Mobile Engineer—an expert in Flutter, Swift, and Kotlin—to help us push the boundaries of mobile AI experiences.

The Role

We’re seeking a Senior Mobile Engineer who can seamlessly blend Flutter’s flexibility with native Swift/Kotlin performance to create high-performing, intuitive mobile experiences. You'll play a key role in building our app’s features, optimizing for smooth animations, high-performance media processing, and seamless AI integrations.

This is a full-time contract role, with potential for a long-term collaboration.

What You’ll Do

• Develop & Optimize Our Mobile and Desktop Apps:
  Build high-performance mobile features using Flutter, while leveraging Swift (iOS) and Kotlin (Android) for platform-specific optimizations.
• Integrate AI-Powered Features:
  Work closely with our AI team to integrate machine learning models into mobile, optimizing for real-time responsiveness.
• Build Custom Native Modules:
  Develop and maintain native Swift/Kotlin components for low-latency image processing, camera access, and hardware acceleration.
• Ensure Performance & Scalability:
  Optimize app performance, reduce load times, and enhance battery efficiency across devices.
• Collaborate with Design & Backend Teams:
  Work alongside designers and backend engineers to ensure seamless user experiences and API integrations.
• Maintain High Code Quality:
  Write clean, maintainable, and testable code while following best practices in architecture and security.

Requirements

Who You Are

You’re an experienced mobile engineer who thrives in fast-paced environments, has a deep understanding of both cross-platform and native development, and is excited about pushing mobile AI applications to new levels.

Must-Haves

• Native or fluent proficiency in English
• 5+ years of mobile development experience (with at least 2 years in Flutter)
• Strong debugging and problem-solving skills, with the ability to design scalable social features such as user authentication, friend lists, and real-time interactions
• Native iOS development experience with Swift & SwiftUI
• Deep understanding of mobile performance optimization, including memory management, animations, and rendering efficiency
• Strong grasp of asynchronous programming (Futures, Coroutines, Combine, etc.)
• Familiarity with CI/CD for mobile (Fastlane, GitHub Actions, or Codemagic)

Nice-to-Haves

• Native Android development experience with Kotlin & Jetpack Compose
• Background in computer vision or image processing on mobile with camera APIs and real-time media processing
• Experience working with AI models on mobile (TensorFlow Lite, Core ML, or MediaPipe)

Benefits

Why Join Chapter AI?

• 📱 High-Impact Role: Own the mobile tech stack and shape the future of our apps.
• 🌎 Remote & Flexible: Work from anywhere with a world-class team.
• 🚀 Cutting-Edge AI: Work on groundbreaking AI-powered mobile experiences.
• 💰 Competitive Contract Rate: Attractive compensation based on experience.