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Interaction Designer, HCI

External
bjakcareer logoBjakcareer · Seoul, South Korea
Full-timeRemote2w ago
FigmaInteraction DesignMovePrototyping
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Responsibilities

  • Design detailed interaction models for AI-driven flows, including how users initiate, monitor, pause, correct, and complete multi-step tasks.
  • Define interaction states for AI interfaces: idle, thinking, acting, waiting, uncertain, interrupted, failed, and recovered.
  • Design human-in-the-loop controls - how users review AI decisions, override actions, and stay informed without micromanaging.
  • Create interaction patterns for delegation, approval, correction, escalation, reversibility, and recovery.
  • Create detailed interaction specifications, annotated flows, and prototypes for engineering handoff.
  • Work with product and ML teams to translate system capabilities and constraints into usable interaction patterns.
  • Test interaction designs with real users to identify where AI behavior creates confusion, distrust, or friction.
  • Contribute to a shared library of HCI interaction patterns that can be reused across the product.

Requirements

  • Experience as an interaction designer or senior UX designer with strong interaction design depth.
  • Ability to design at the micro level - states, transitions, edge cases, and failure handling.
  • Strong prototyping skills in Figma or equivalent tools.
  • Systematic thinking - able to map complex AI behavior into coherent user-facing interaction logic.
  • Clear understanding of HCI principles: user control, transparency, feedback, and graceful recovery.
  • Experience working closely with engineers to ensure interactions are implemented as designed.
  • Comfort designing for systems where output is non-deterministic and behavior can vary across sessions.
  • Strong judgment on when users should be guided, interrupted, asked for confirmation, or left alone.
  • How We Work
  • Interview process
  • For design roles, we expect candidates to submit a portfolio as part of the application process.
  • If there appears to be a fit, we'll reach out to schedule 2 rounds of interviews and a design assessment.
  • Applications are evaluated by our team members. Interviews will be conducted via virtual meetings and/or onsite.

Additional Information

Company A1 is building a proactive AI smart assistant for everyday users to bring intelligence to conversations, errands, organising and workflows. Our product focuses on achieving high reliability for long-running workflows, persistent context, and real-world task completion. The system must handle multi-step reasoning, interact with external tools, and remain reliable despite non-deterministic model behavior. Role You will design the detailed mechanics of how users interact with A1 - the gestures, states, flows, and micro-decisions that determine whether an AI-driven product feels controlled or confusing. This role is focused on HCI interaction design: how users give input, receive feedback, supervise AI actions, correct mistakes, and maintain agency over AI-driven workflows. There are no established playbooks for interaction design in proactive AI products. You will help define new patterns from the ground up.


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