UX Designer, AI App

📍 Job Overview

Job Title: UX Designer, AI App

Company: Bjak

Location: Seoul, South Korea

Job Type: Full-time

Category: UX/UI Design, Product Design, AI Product Development

Date Posted: 2026-06-02

Experience Level: Mid-Level (Estimated 2-5 years)

Remote Status: Hybrid

🚀 Role Summary

• This role is centered around designing the user experience for a proactive AI smart assistant, focusing on intuitive interaction with complex AI systems.

• You will be responsible for the end-to-end user flows, ensuring clarity, reliability, and user control in AI-driven tasks and conversations.

• The position requires a strong understanding of Human-Computer Interaction (HCI) principles applied to AI, with a focus on building user trust and managing AI states.

• This is a hands-on design role within a fast-paced, high-talent-density team, requiring independent execution and collective decision-making.

📝 Enhancement Note: Based on the description, the role is for a mid-level UX Designer, estimated at 2-5 years of experience, given the emphasis on owning core app surfaces, designing complete user flows, and contributing to design systems, which typically aligns with this experience bracket. The hybrid work arrangement is inferred from the remote location derived as "TELECOMMUTE" with a specific country, suggesting a flexible model rather than fully remote anywhere.

📈 Primary Responsibilities

• Own and evolve the user experience (UX) for Bjak's core AI smart assistant application across iOS, Android, and web platforms.

• Design comprehensive user flows that guide users through AI-assisted tasks, from initial intent capture to successful task completion.

• Develop intuitive interfaces for users to monitor AI progress, understand AI decisions, and provide necessary confirmations or adjustments.

• Map and design solutions for the full spectrum of AI states, including loading, processing, waiting, stalling, failing, and recovery scenarios, ensuring a seamless user journey.

• Collaborate closely with Product Managers, Engineers, and Machine Learning (ML) teams to translate user needs and AI capabilities into actionable design solutions.

• Conduct user research and usability testing to identify pain points, areas of uncertainty, and opportunities to enhance user trust and engagement with AI features.

• Produce detailed wireframes, user flows, and high-fidelity prototypes using Figma to facilitate direct implementation by the engineering team.

• Contribute to the development and maintenance of the design system, ensuring consistency and scalability of UX patterns across AI app surfaces.

• Design for both simple, everyday interactions and complex, multi-step AI workflows within a unified product experience.

📝 Enhancement Note: The provided description heavily emphasizes designing user flows for AI-assisted tasks, managing AI states, and collaborating with ML teams. This suggests a significant focus on the "AI Interaction Design" and "AI Product Development" aspects of UX, which is a specialized area within UX/UI.

🎓 Skills & Qualifications

Education: Bachelor's degree in Human-Computer Interaction (HCI), Design, Computer Science, or a related field, or equivalent practical experience.

Experience: Minimum of 2-5 years of experience as a UX Designer, with a proven track record in designing consumer-facing mobile or web applications.

Required Skills:

• Demonstrated expertise in user flow design, wireframing, and creating high-fidelity prototypes.

• Proficiency in design tools, specifically Figma, for creating and iterating on designs.

• Strong understanding of HCI principles and their application to AI-driven product experiences.

• Ability to design for complex systems characterized by asynchronous operations, non-deterministic behavior, and context dependency.

• Clear conceptualization of user trust, control, feedback mechanisms, and transparency in AI interactions.

• Experience conducting user research, usability testing, and translating research findings into actionable design improvements.

• Ability to work effectively in fast-paced, agile environments with evolving product requirements.

• Skill in balancing simple, intuitive consumer UX with the complexities of AI system behavior.

• Strong judgment regarding usability, edge cases, failure handling, and designing effective recovery flows. Preferred Skills:

• Experience with designing for AI assistants or conversational interfaces.

• Familiarity with design systems and contributing to their evolution.

• Knowledge of mobile (iOS/Android) and web design patterns and best practices.

• Experience working within cross-functional product teams (Product, Engineering, ML).

• Understanding of ML model behavior and its implications for UX design.

📝 Enhancement Note: The experience level is inferred based on the responsibilities, which include owning core app surfaces and contributing to design systems, typically indicative of a mid-level role. The educational requirement is a standard assumption for UX roles, though practical experience is heavily weighted.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A curated portfolio showcasing end-to-end UX design projects for consumer mobile or web applications.

• Demonstrations of user flow design, wireframing, and high-fidelity prototyping capabilities, preferably using Figma.

• Case studies that highlight your process for tackling complex design challenges, particularly those involving AI or asynchronous systems.

• Evidence of your ability to translate user research findings into concrete design decisions and improved user experiences.

• Examples of how you've managed AI states, user trust, and control within your designs. Process Documentation:

• Clearly articulate your design process from problem definition and research through to ideation, prototyping, and iteration.

• Showcase your methodology for user research, including usability testing and how you gather and apply insights.

• Provide examples of how you collaborate with engineering and product teams to ensure successful implementation of designs.

• Detail your approach to designing for complex systems, including handling non-deterministic behavior and error states.

📝 Enhancement Note: For UX roles, a strong portfolio is paramount. The requirements are tailored to emphasize AI-specific design challenges, user trust, and the ability to translate complex technical concepts into user-friendly interfaces, reflecting the role's focus.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for mid-level UX Designers in Seoul, South Korea, the estimated annual salary range for this role is approximately ₩60,000,000 - ₩90,000,000. This estimate considers the experience level, the specialized nature of AI UX design, and the cost of living in Seoul.

Benefits:

• Competitive salary and potential for stock options.

• Comprehensive health, dental, and vision insurance.

• Generous paid time off (PTO) and holidays.

• Opportunities for professional development, training, and conference attendance.

• Flexible hybrid work environment.

• Collaborative and innovative team culture.

• Potential for involvement in cutting-edge AI product development.

Working Hours: Standard full-time working hours, approximately 40 hours per week, with flexibility offered within a hybrid work model.

📝 Enhancement Note: Salary is estimated for Seoul, South Korea, based on typical mid-level UX Designer compensation in tech, adjusted for the specialized AI UX aspect and the location's cost of living. Benefits are standard for tech roles and are inferred based on company size and industry.

🎯 Team & Company Context

🏢 Company Culture

Industry: Technology, Artificial Intelligence, Software Development, Consumer Applications. Bjak is operating in the rapidly evolving AI sector, aiming to bring practical AI benefits to a global audience through a proactive smart assistant.

Company Size: The description mentions "small, world class teams" and "high talent density," suggesting a startup or early-stage company environment, likely with fewer than 100 employees, focused on rapid innovation and execution.

Founded: The founding date is not specified, but the company's focus on building a "proactive AI smart assistant" indicates a modern, forward-looking mission, likely founded in the last 5-10 years to capitalize on recent AI advancements.

Team Structure:

• The UX team is likely small and integrated directly into product development squads.

• Designers will work closely with Product Managers, Engineers, and ML specialists.

• Reporting structure is expected to be flat, with direct access to leadership for decision-making.

• Cross-functional collaboration is central, with a strong emphasis on collective decision-making and rapid iteration. Methodology:

• Data-driven decision-making, heavily influenced by user research and product analytics.

• Agile development methodologies with a focus on rapid prototyping and iterative design.

• Emphasis on building reliable, long-running workflows and persistent context for AI tasks.

• Collaborative problem-solving and a hands-on approach to product development.

Company Website: https://bjak.my/en/about-us

📝 Enhancement Note: Company culture and structure are inferred from keywords like "small, world class teams," "high talent density," and "making decisions collectively, move at rapid speed." This points to a startup environment with a strong emphasis on collaboration and agility.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Mid-Level UX Designer. It offers significant ownership of core app surfaces and design systems, indicating a step beyond entry-level responsibilities. It provides a strong foundation for advancing into Senior UX Designer, Lead UX Designer, or specialized AI UX roles.

Reporting Structure: The UX Designer will likely report to a Head of Design, Design Lead, or potentially a Product Lead, depending on the company's organizational structure. Close collaboration with Engineering and ML leads is expected.

Operations Impact: The UX Designer's work will have a direct and profound impact on user adoption, engagement, and satisfaction with Bjak's AI smart assistant. By making complex AI interactions clear and controllable, the designer will be instrumental in the product's success and its ability to deliver practical benefits to billions of users.

Growth Opportunities:

• Skill Specialization: Deepen expertise in Human-AI Interaction (HAI) design, conversational AI UX, and designing for non-deterministic systems.

• Leadership Development: Potential to lead design initiatives, mentor junior designers, and contribute to the strategic direction of the product's UX.

• Cross-Functional Exposure: Gain in-depth understanding of ML principles, product management, and agile development processes, broadening overall product development acumen.

• Impactful Projects: Work on a product with the potential for global reach, contributing to a transformative technology.

📝 Enhancement Note: The career progression and impact are described based on typical growth paths for UX designers in innovative tech companies, especially those focusing on emerging technologies like AI.

🌐 Work Environment

Office Type: The role is described as Hybrid, suggesting a mix of remote work and in-office collaboration. This implies a modern office space designed to foster collaboration, innovation, and team cohesion.

Office Location(s): Seoul, South Korea. Specific office details are not provided, but it's expected to be a modern facility conducive to tech-focused work.

Workspace Context:

• Collaborative environment designed for team brainstorming sessions, design critiques, and cross-functional meetings.

• Access to necessary design tools and technology, including high-performance workstations and software like Figma.

• Opportunities for frequent interaction with product, engineering, and ML teams to ensure alignment and rapid iteration.

• A culture that encourages hands-on work, independent execution, and continuous learning.

Work Schedule: Standard full-time hours (approx. 40 hours/week) with flexibility inherent in a hybrid model. The team's fast-paced nature suggests a dynamic work schedule where focus and output are prioritized.

📝 Enhancement Note: The "Hybrid" work arrangement, derived from "TELECOMMUTE" and a specific country, informs the work environment description. The emphasis on "small, world class teams" and "moving at rapid speed" suggests a dynamic, collaborative, and high-output workspace.

📄 Application & Portfolio Review Process

Interview Process:

• Application Submission: Submit resume and a strong portfolio showcasing relevant UX design work.

• Initial Screening: Portfolio and application review by the hiring team to assess fit with role requirements and company culture.

• Round 1 Interview: Focus on design process, UX fundamentals, and specific project walkthroughs. This may include a discussion of your approach to AI interaction design.

• Design Assessment: A practical design exercise or challenge to evaluate your problem-solving skills, design thinking, and ability to apply concepts to AI-specific scenarios.

• Round 2 Interview: Deeper dive into collaboration, problem-solving, strategic thinking, and cultural fit. May involve discussions with senior team members or leadership.

• Final Decision: Prompt decision based on overall assessment of skills, experience, and potential contribution.

Portfolio Review Tips:

• Showcase AI Expertise: Highlight projects that demonstrate your understanding of designing for AI, including managing user trust, control, and AI states.

• Detail Your Process: Clearly explain your design process for each project, from initial discovery and research to final execution and iteration.

• Quantify Impact: Whenever possible, use metrics or qualitative feedback to demonstrate the impact of your design solutions.

• Figma Proficiency: Ensure your portfolio clearly displays your skills with Figma, as it's a required tool.

• Tell a Story: Structure your case studies to tell a compelling narrative about the problem, your solution, and the outcome.

Challenge Preparation:

• Prepare to discuss how you would approach designing for non-deterministic AI systems and error recovery.

• Be ready to articulate your understanding of user trust and control in AI products.

• Practice presenting your design process and solutions concisely and effectively.

• Research Bjak's mission and the AI smart assistant space to demonstrate informed interest.

📝 Enhancement Note: The interview process is detailed based on industry standards for UX roles, with specific emphasis on the portfolio and design assessment, as mentioned in the job description. The advice is tailored for AI UX.

🛠 Tools & Technology Stack

Primary Tools:

• Figma: Essential for wireframing, prototyping, and high-fidelity design. Proficiency is a requirement.

• User Research Tools: Experience with tools for conducting usability testing, surveys, and interviews (e.g., UserTesting.com, SurveyMonkey, Lookback).

• Prototyping Tools: While Figma is primary, familiarity with other prototyping tools could be beneficial.

Analytics & Reporting:

• Familiarity with product analytics tools (e.g., Amplitude, Mixpanel, Google Analytics) to understand user behavior and inform design decisions.

• Ability to interpret data to identify UX issues and opportunities for improvement. CRM & Automation:

• While not a direct CRM role, understanding how user data is managed and utilized within the product lifecycle is beneficial.

• Awareness of how AI integrations might impact user data and workflows.

📝 Enhancement Note: Tools are listed based on the explicit mention of Figma and general requirements for UX designers in tech, focusing on design, research, and analytics.

👥 Team Culture & Values

Operations Values:

• Innovation & Speed: A culture that embraces rapid iteration and shipping high-quality work quickly.

• User-Centricity: Deep focus on understanding user needs, building trust, and delivering magical, practical AI experiences.

• Collaboration & Collective Ownership: Decisions are made collectively, and team members are hands-on and responsible for outcomes.

• Excellence & High Talent Density: A commitment to working with skilled individuals who can bring structure, exercise judgment, and execute independently.

• Reliability & Control: A core value in building AI systems that are reliable and keep users in control.

Collaboration Style:

• Highly collaborative, with frequent interaction across design, product, engineering, and ML teams.

• Open communication and feedback loops are encouraged to foster continuous improvement.

• Hands-on approach, with designers actively involved in all stages of the product development lifecycle.

• Emphasis on shared understanding and collective problem-solving to navigate complex AI challenges.

📝 Enhancement Note: Team culture and values are synthesized from the "How We Work" section, emphasizing the startup environment, focus on AI, and collaborative approach.

⚡ Challenges & Growth Opportunities

Challenges:

• Designing for Non-Determinism: Creating intuitive and reliable UX for AI systems whose behavior can vary and is not always predictable.

• Building User Trust: Ensuring users feel confident and in control when interacting with an AI that performs complex, multi-step tasks.

• Balancing Simplicity and Complexity: Designing a user experience that is accessible for everyday users while accommodating the intricacies of advanced AI workflows.

• Rapidly Evolving AI Landscape: Staying abreast of AI advancements and translating them into effective product features and user experiences.

• Cross-Functional Alignment: Effectively bridging the gap between user needs, business goals, and the technical capabilities and limitations of ML models.

Learning & Development Opportunities:

• Specialized AI UX Training: Opportunities to deepen expertise in Human-AI Interaction (HAI) and advanced AI design patterns.

• Industry Conferences: Potential to attend leading UX and AI conferences to stay current with trends and network.

• Mentorship: Guidance from experienced product and design leaders within a high-talent-density team.

• Skill Expansion: Develop a strong understanding of ML principles and how to design for them effectively.

• Impactful Product Building: Contribute to a product with significant global potential, shaping the future of AI assistants.

📝 Enhancement Note: Challenges and growth opportunities are framed around the core aspects of designing for AI, as described in the job posting, and typical growth trajectories for designers in innovative tech companies.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you designed a user experience for a system that was asynchronous or non-deterministic. What were the key challenges and how did you address them?"

• "How do you approach building user trust in an AI product? What specific design patterns would you use for an AI assistant that performs multi-step tasks?"

• "Imagine a scenario where the AI assistant fails to complete a user's task. Walk me through your design process for handling this error and guiding the user towards recovery."

• "How would you balance the need for a simple, intuitive user interface with the complexity of the underlying AI technology for a broad consumer audience?" Company & Culture Questions:

• "What excites you about Bjak's mission to build a proactive AI smart assistant?"

• "How do you contribute to a high-talent-density, collaborative team environment?"

• "Describe your experience working in a fast-paced startup environment with evolving product scope."

• "How do you ensure your design decisions are data-informed while also considering user intuition and emerging AI capabilities?" Portfolio Presentation Strategy:

• Structure: Organize your presentation by project, clearly outlining the problem, your role, your process, the solution, and the outcomes.

• Focus on AI: Emphasize any projects that involved AI, complex systems, or asynchronous workflows. Highlight how you managed user trust, control, and AI states.

• Process Visualization: Use clear visual aids (flows, wireframes, prototypes) to illustrate your design thinking and problem-solving approach.

• Figma Examples: Be ready to showcase your Figma skills and explain how you used the tool effectively.

• Conciseness: Be mindful of time, focusing on the most impactful aspects of your work and ready to dive deeper on specific questions.

📝 Enhancement Note: Interview questions are generated based on the core requirements and responsibilities of the role, particularly focusing on AI UX, user trust, and the collaborative, fast-paced environment.

📌 Application Steps

To apply for this UX Designer, AI App position:

• Submit your application through the provided link, ensuring your resume and a strong portfolio are attached.

• Portfolio Customization: Tailor your portfolio to highlight relevant UX design projects, especially those demonstrating experience with consumer mobile/web apps, AI interaction design, and complex system flows. Emphasize your Figma proficiency and user research methodologies.

• Resume Optimization: Ensure your resume clearly articulates your experience in user flow design, wireframing, prototyping, and user research, using keywords like "AI," "HCI," "Figma," "user trust," and "non-deterministic systems." Quantify achievements where possible.

• Interview Preparation: Practice walking through your portfolio projects, focusing on explaining your design process, decision-making, and the impact of your solutions, particularly in the context of AI. Prepare to discuss your understanding of user trust and control in AI products.

• Company Research: Familiarize yourself with Bjak's mission, the AI smart assistant space, and the company's stated values regarding collaboration and innovation. This will help you articulate your fit during interviews.

⚠️ Important Notice: This enhanced job description includes AI-generated insights and operations industry-standard assumptions. All details should be verified directly with the hiring organization before making application decisions.

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