Interaction Designer, HCI

Bjak · Remote · United States ·
Fully remoteFull-timeMiddle3–5 years
COMPENSATION
€•• – ••k
0 applicants so far

Listed on the employer's job board (Ashby)

  • Interaction Design focus
  • AI & HCI expertise
  • Fully remote role
  • Small high-density team
  • Define new UX patterns

Actai builds AI-native applications for email, notes, and tasks that operate with minimal prompting. The team focuses on reliability, persistent context, and real-world task completion to organize users' lives.

As an Interaction Designer, you will design the detailed mechanics of user-AI interaction. You will define how users initiate, monitor, and correct multi-step tasks, creating new patterns for proactive AI products from the ground up.

What you'll do

  • Design interaction models for initiating, monitoring, and completing AI tasks
  • Define interface states such as thinking, acting, uncertain, and recovered
  • Create human-in-the-loop controls for reviewing and overriding AI decisions
  • Develop patterns for delegation, approval, escalation, and reversibility
  • Produce annotated flows and prototypes for engineering handoff
  • Collaborate with product and ML teams to translate system constraints
  • Test designs with users to reduce confusion and friction
  • Contribute to a shared library of reusable HCI interaction patterns

What you'll need

  • Experience as an interaction or senior UX designer with deep HCI focus
  • Ability to design micro-level states, transitions, and edge cases
  • Strong prototyping skills in Figma or equivalent tools
  • Systematic thinking to map complex AI behavior to user logic
  • Clear understanding of user control, transparency, and recovery principles
  • Experience working closely with engineers on implementation
  • Comfort designing for non-deterministic and variable system outputs
  • Judgment on when to guide, interrupt, or leave users alone

Stack

  • Figma

How you'll work

  • Remote work available
  • Small, hands-on team structure
  • Collective decision making
  • Virtual and onsite interviews possible

Hiring process

  • Submit portfolio with application
  • Team evaluates application for fit
  • Two rounds of interviews scheduled
  • Complete a design assessment
  • Prompt decision and offer extension