Product Designer (UX), HCI

The role

You will design end-to-end user experiences for AI product surfaces. This role focuses on building HCI interfaces where users can understand, guide, and control AI systems.

What you will do

• Design end-to-end user experiences for AI product surfaces, from concept to shipped product.
• Create interaction patterns for human-AI workflows, including prompting, review, confirmation, correction, handoff, and recovery.
• Design interfaces that help users understand AI actions and uncertainty.
• Turn complex, multi-step AI capabilities into clear, controllable flows.
• Work closely with product, engineering, and ML teams to define problems, test ideas, and ship quickly.
• Produce wireframes, flows, prototypes, and high-fidelity designs for web and mobile.
• Run lightweight user research and usability tests.
• Help define reusable HCI design patterns as the product and design system mature.

Required qualifications

• Experience as a product designer or UX designer, with a portfolio across web or mobile products.
• Strong skills in interaction design, information hierarchy, and prototyping.
• Proficiency in Figma and fast iteration workflows.
• Ability to simplify complex systems and turn unclear product behavior into clear user experiences.
• Experience working closely with product managers and engineers in fast-moving teams.
• Comfort working with ambiguity and shaping solutions before requirements are fully defined.
• Good judgment on usability, edge cases, and failure handling.
• Clear thinking about trust, control, feedback, and transparency in AI-driven experiences.

Before you apply

• Candidates must submit a portfolio as part of the application process.
• If there appears to be a fit, there will be 2 rounds of interviews and a design assessment.

About the company

Actai aims to build proactive applications for anyone in the world with minimal to no prompting. Their first application is an agent-first mobile communication app.