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About this role

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

You will design motion and animation for AI interfaces. In AI-driven products, motion is not decoration - it is how users understand system state, loading behavior, uncertainty, progress, and transitions between AI actions.

This role applies HCI thinking to motion design: helping users understand what the system is doing, whether it needs attention, and what is happening next.

WHAT YOU'LL BE DOING

Design motion and animation for AI product interfaces, including loading states, streaming responses, task progress, and system transitions.

Create motion that helps users understand what the AI is doing without requiring them to read long explanations.

Develop animation patterns for uncertainty, thinking states, waiting states, failure, recovery, and asynchronous AI processes.

Work with product and UX designers to define how motion supports feedback, confidence cues, and error states.

Build motion specs and prototypes that engineers can implement accurately.

Define and maintain motion design principles and a reusable animation library for AI surfaces.