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BJAK

Interaction Designer, HCI

BJAK

Interaction Designer specializing in HCI interaction design for AI-driven product workflows. Collaborating with teams to enhance user experience and intuitive interaction modeling in AI systems.

Posted 8/2/2026full-timeSeoul • 🇰🇷 South KoreaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in interaction design, focusing on creating user-friendly AI-driven flows and interaction patterns. Proficient in prototyping and collaborating with engineering teams to ensure seamless implementation of designs.

Highest-signal resume keywords
Interaction DesignPrototyping SkillsHuman-Computer Interaction (HCI)Systematic ThinkingCollaboration with Engineers

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Interaction DesignMicro-Level DesignFailure HandlingUser ControlTransparencyFeedbackGraceful Recovery
Soft Skills
Strong JudgmentSystematic Thinking
Tools & Technologies
Figma
Industry Keywords
AI-Driven FlowsUser Experience (UX)Interaction PatternsHuman-in-the-Loop Controls

About the role

Key responsibilities & impact
  • 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

What you’ll need
  • 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.

Benefits

Comp & perks
  • Health insurance
  • Flexible working hours