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, correct, and stay in control of 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.