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Interaction Designer, HCI

Bjak Remote ( South Korea, Seoul)

Remote Full-time Senior

Design detailed interaction models and HCI patterns for a proactive AI smart assistant, focusing on multi-step workflows and human-in-the-loop controls. Collaborate with ML and product teams to translate system constraints into usable interfaces and test designs with real users.

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 detailed interaction specifications, annotated flows, and prototypes for engineering handoff
  • Test interaction designs with real users to identify where AI behavior creates confusion, distrust, or friction

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

Benefits

  • Opportunity to work on a proactive AI smart assistant for everyday users
  • High talent density and hands-on team
  • Collective decision-making and rapid speed
  • Transparent and efficient interview process

Key Skills

Interaction design UX design Prototyping Figma HCI principles User control Transparency Feedback Graceful recovery Systematic thinking Design thinking Customer empathy Communication Storytelling Leadership Cross-functional collaboration

About Bjak

Our mission is to develop technology based solutions to improve financial inclusion. We develop new & innovative platforms & services globally. For example, we are the first platform to simplify and digitise comprehensive life and medical insurance, supported by AI agent. BJAK is the largest insurance platform in Southeast Asia. If you enjoy building cutting edge platform-ecosystems that gives equal access to financial services to everyone at scale, join us.

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