iOS Software Engineer

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ABOUT ACTAI

There are over 5 billion users using basic applications today such email, notes, tasks, calendar and they're not AI-native. Our mission is to build proactive applications for anyone in the world, who are not used to complex prompting. We aim to bring intelligence to conversations, errands, organising and workflows, with minimal to no prompting.

Our first application is an agent-first mobile communication app. We believe building applications that users use daily for communication, coordination and collaboration needs will help integrate AI into their lives. The net effect is to eliminate misinformation, achieve low coordination costs, enable high quality tasks and collaboration at scale with minimal or little prompting.

ROLE

As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds, and performs in users’ hands. This is not a thin integration role. You will build a production-grade iOS application where AI interactions are central to product experience, and performance, reliability, and user trust are critical.

FOCUS

• Build and maintain iOS applications using Swift and SwiftUI.

• Integrate AI-powered features through backend APIs.

• Design UX patterns for AI interactions, including loading states, streaming responses, retries, and fallbacks.

• Optimize performance, memory usage, and battery efficiency.

• Capture user signals and feedback to support AI evaluation and iteration.

• Collaborate closely with backend and ML engineers on API design and system behavior.

• Maintain high App Store quality, stability, and production reliability.

IDEAL EXPERIENCES

• 3+ years of iOS development experience using Swift.

• Hands-on experience integrating AI-powered features into mobile apps.