[UMOS ONE] Product Designer

📍 Job Overview

Job Title: Product Designer

Company: UMOS ONE (Subsidiary of 42dot)

Location: Seoul, South Korea (near Sinnonhyeon Station)

Job Type: Full-Time

Category: Product Design / UX/UI Design

Date Posted: November 28, 2025

Experience Level: 5-10 Years

🚀 Role Summary

• Spearhead the design strategy and execution of user experiences (UX) and user interfaces (UI) for UMOS ONE's integrated mobility operating system (UMOS).

• Drive the end-to-end product design lifecycle, from initial ideation and service strategy to final UX/UI implementation, quality assurance (QA), and ongoing operational stability.

• Collaborate closely with stakeholders, including business leads, product managers, and software developers, to translate business objectives and user needs into intuitive and effective digital solutions.

• Contribute to the development and expansion of a robust design system, ensuring consistency, scalability, and maintainability across all web and mobile applications.

📝 Enhancement Note: This role is critical for defining the user-facing aspects of UMOS ONE's ambitious urban mobility solutions, requiring a blend of strategic thinking, deep UX/UI expertise, and strong cross-functional collaboration skills within a fast-paced, tech-forward environment. The emphasis on "frictionless experience" and "design system" indicates a need for a designer who can create seamless user journeys and maintain a cohesive brand identity.

📈 Primary Responsibilities

• Develop and refine comprehensive service design strategies, ensuring alignment with business goals and user needs for UMOS ONE's mobility platforms.

• Design intuitive and engaging UX/UI for both web and mobile applications, focusing on integrated service management and user control.

• Create and iterate on user flows, wireframes, prototypes, and high-fidelity mockups to effectively communicate design concepts and user interactions.

• Collaborate with product managers and business stakeholders to gather requirements, define product roadmaps, and ensure design solutions meet market demands.

• Work alongside software engineers throughout the development process, providing design specifications, conducting design reviews, and ensuring accurate implementation.

• Champion the adoption and evolution of the design system, creating reusable components, style guides, and best practices to maintain design consistency and efficiency.

• Conduct user research and usability testing to gather insights, validate design decisions, and identify areas for improvement in user experience.

• Contribute to the "0 to 1" development of new service features and products, from initial concept through to market launch and operational support.

• Design and maintain a scalable framework for the design system that supports future product expansion and innovation.

• Produce high-quality graphic assets and design components that enhance the visual appeal and usability of the product.

📝 Enhancement Note: The responsibilities highlight a senior-level product designer role with significant ownership. The expectation to lead design strategy, build from scratch ("0 to 1"), and manage a design system implies a need for a proactive and experienced individual who can establish best practices and mentor others. The focus on "integrated service management" and "urban mobility" suggests a complex, data-rich environment requiring thoughtful information architecture and user interaction design.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a background in Design, Human-Computer Interaction (HCI), Computer Science, or a related field is typically beneficial for this level of product design.

Experience: Minimum of 5 years of professional product design experience, with a strong track record of end-to-end project ownership.

Required Skills:

• Product Design Expertise: Proven ability to manage the entire product design lifecycle, from conceptualization and user research to final UI implementation and post-launch optimization.

• UX/UI Design Proficiency: Deep understanding of user-centered design principles, with the ability to create seamless and intuitive user experiences across web and mobile platforms.

• Service Design Strategy: Capacity to translate complex service requirements into coherent and user-friendly design strategies.

• Prototyping Skills: Proficiency in using design tools to create interactive prototypes for rapid validation and stakeholder communication.

• Design System Development: Experience in understanding, contributing to, or building design systems for scalable and consistent product development.

• Cross-functional Collaboration: Demonstrated ability to work effectively with product managers, business stakeholders, and software development teams.

• Problem-Solving: Strong analytical skills to define complex problems, conduct data-driven research, and propose logical, effective design solutions.

• Usability Review & Proposal: Ability to critically assess service usability and propose actionable design improvements based on strategic insights.

• Design Tool Proficiency: Mastery of industry-standard design and prototyping tools (e.g., Figma, Sketch, Adobe Creative Suite).

• Growth Mindset: A proactive and challenging attitude, continuously seeking to improve solutions and embrace new challenges.

Preferred Skills:

• "0 to 1" Experience: Prior experience in launching new products or services from inception.

• Web & App Service Design: Specific experience designing for both web and mobile applications.

• Business Acumen: Understanding of D2C, B2C, and B2B business models and how design impacts business outcomes.

• Global Service Design: Experience designing for international markets or diverse user bases.

📝 Enhancement Note: The requirement for a minimum of 5 years of experience, coupled with the "0 to 1" and "service design strategy" responsibilities, indicates a need for a senior-level designer who can not only execute but also strategize and lead. The emphasis on logical problem-solving and data-driven approaches suggests that candidates should be prepared to articulate their decision-making process with evidence.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Comprehensive Case Studies: Submit a portfolio showcasing at least 3-5 detailed case studies that demonstrate end-to-end product design ownership, from problem definition to solution implementation and impact.

• Process Visualization: Include visual representations of your design process within case studies, such as user journey maps, user flows, wireframes, and prototypes.

• Problem-Solution Framing: Clearly articulate the business problem, user needs, and design challenges addressed in each case study, followed by a detailed explanation of your proposed solutions.

• Metrics & Impact: Quantify the impact of your design work whenever possible, using key performance indicators (KPIs), user feedback, or business metrics to demonstrate success.

• Design System Contribution: If applicable, showcase examples of your involvement with design systems, including component design, style guide contributions, or framework development.

Process Documentation:

• Workflow Design & Optimization: Each case study should illustrate how you approached designing or optimizing user workflows for efficiency and usability.

• System Implementation: Demonstrate how your designs integrate with or influence the development of scalable frameworks and design systems.

• Measurement & Analysis: Outline how you used data, user testing, or analytics to inform design decisions and measure the success of your solutions.

📝 Enhancement Note: A strong portfolio is explicitly mandatory and will be a primary focus during the application process. Candidates are expected to showcase not just polished final designs but the strategic thinking, problem-solving methodologies, and user-centered processes behind them. Demonstrating an understanding of how design impacts business metrics and contributes to scalable systems is crucial.

💵 Compensation & Benefits

Salary Range:

Benefits:

• Comprehensive Health Coverage: Likely includes medical, dental, and vision insurance.

• Paid Time Off: Generous vacation days, sick leave, and public holidays.

• Professional Development: Opportunities for training, workshops, conferences, and access to learning resources to enhance design skills and industry knowledge.

• Performance Bonuses: Potential for bonuses tied to individual and company performance.

• Stock Options/Equity: Possible inclusion of equity or stock options, common in tech startups and subsidiaries of larger corporations.

• Commuting Support: Proximity to Sinnonhyeon Station suggests good public transport access; potential for commuting allowances.

• Team Events & Social Activities: Opportunities for team building and social engagement.

Working Hours:

• Standard full-time hours are estimated at 40 hours per week, with potential for some flexibility given the emphasis on fast execution and a collaborative team environment.

📝 Enhancement Note: Salary is not specified, but the role's seniority and location suggest a competitive package. Benefits would typically align with industry standards for tech companies in South Korea, focusing on employee well-being, professional growth, and team cohesion. The estimation is based on general market data for similar roles in Seoul.

🎯 Team & Company Context

🏢 Company Culture

Industry: Mobility Technology, Software Development, AI, Urban Planning. UMOS ONE operates within the rapidly evolving landscape of urban mobility, focusing on integrated operating systems for Software Defined Vehicles (SDVs) and smart city solutions.

Company Size: UMOS ONE is a subsidiary of 42dot. While 42dot is a significant player, UMOS ONE as a subsidiary likely operates with a focused, agile team structure, aiming for rapid innovation akin to a startup within a larger corporate framework.

Founded: UMOS ONE is a subsidiary of 42dot, which was founded in 2017. This indicates a company with established roots in advanced mobility technology but a dynamic, forward-looking approach.

Team Structure:

• Agile & Cross-functional: The Product Designer will be part of a team that likely includes product managers, engineers (software, AI), and potentially other designers. Collaboration is emphasized, suggesting a flat or matrixed reporting structure where input from all functions is valued.

• Direct Reporting: Likely reports to a Head of Product, Design Lead, or a Senior Product Manager.

• Stakeholder Collaboration: Will work closely with business development, planning, and engineering departments to ensure seamless product development and market integration.

Methodology:

• Agile Development: Expect a fast-paced, iterative development process, likely employing Agile methodologies.

• Data-Driven Decision Making: Emphasis on using data, user feedback, and market analysis to inform product strategy and design choices.

• User-Centricity: A strong focus on understanding and meeting user needs through research and iterative design.

• Innovation & Execution: A culture that values rapid execution, problem-solving, and pushing the boundaries of mobility technology.

Company Website: https://42dot.ai (UMOS ONE's specific website may be under development or integrated)

📝 Enhancement Note: UMOS ONE aims to be a leader in urban mobility operating systems. The culture is described as fast-paced, execution-oriented, and team-centric. Candidates should expect a dynamic environment where innovation and collaboration are key drivers. The connection to 42dot provides a strong technological foundation and vision.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as a Senior Product Designer, requiring at least 5 years of experience. It signifies a level of autonomy and strategic contribution, moving beyond pure execution to influencing product direction. Designers are expected to lead projects, mentor junior team members (if applicable), and contribute to the overall design strategy and standards of the company.

Reporting Structure: The designer will likely report to a Design Lead or Head of Product, working within a product team that includes Product Managers and Software Engineers. This structure facilitates close collaboration and rapid iteration.

Operations Impact: The Product Designer's work directly impacts the user experience of UMOS ONE's core mobility platforms like 'TAP!', 'Pleos Fleet', and 'Capora'. By creating intuitive and efficient interfaces, they contribute significantly to user adoption, customer satisfaction, operational efficiency for fleet managers, and ultimately, the success and revenue generation of the UMOS ecosystem.

Growth Opportunities:

• Leadership Development: Potential to grow into a Lead Product Designer or Design Manager role, overseeing a team and shaping the design vision.

• Specialization: Opportunity to deepen expertise in specific areas of mobility UX, AI-driven interfaces, or complex system design.

• Strategic Influence: Increased involvement in product strategy, service innovation, and defining the future direction of UMOS ONE's offerings.

• Mentorship: Opportunities to mentor junior designers and contribute to building a strong design culture.

• Industry Exposure: Working on cutting-edge SDV and urban mobility technologies provides valuable experience in a high-growth sector.

📝 Enhancement Note: This role offers substantial growth potential for experienced designers. The emphasis on "0 to 1" experience and strategic contribution suggests a path towards leadership and significant influence within a rapidly expanding tech domain. The ability to shape the future of urban mobility through design is a key differentiator.

🌐 Work Environment

Office Type: The job posting specifies an on-site role located near Sinnonhyeon Station in Seoul, South Korea. This suggests a modern office environment designed to foster collaboration and innovation.

Office Location(s): Seoul, South Korea, specifically in the Gangnam district near Sinnonhyeon Station, a well-connected and vibrant business hub.

Workspace Context:

• Collaborative Spaces: The office is likely equipped with meeting rooms, breakout areas, and open-plan workspaces designed to encourage interaction and brainstorming among team members.

• Technology & Tools: Access to high-performance workstations, design software, and necessary hardware for prototyping and user testing.

• Cross-functional Interaction: The physical proximity and collaborative culture will facilitate frequent interaction with engineers, product managers, and business stakeholders, promoting a holistic approach to product development.

• Dynamic Atmosphere: Expect a fast-paced, energetic environment characteristic of innovative tech companies.

Work Schedule:

• The standard work schedule is likely Monday to Friday, with an estimated 40 hours per week. However, the emphasis on rapid execution and a "can-do" attitude might imply occasional needs for extended hours during critical project phases, balanced by a culture that values team synergy and growth.

📝 Enhancement Note: The on-site requirement in a prime Seoul location indicates a preference for in-person collaboration and team synergy. The workspace is expected to be modern and conducive to the fast-paced, innovative nature of the company.

📄 Application & Portfolio Review Process

Interview Process:

• Stage 1: Application Submission: Submit resume and a mandatory portfolio. PDF format is required for all files, with a 30MB limit per file.

• Stage 2: Document Screening: Initial review of applications and portfolios by the HR/recruiting team.

• Stage 3: 1st Interview: Approximately 1-hour interview, likely focusing on experience, foundational design skills, and cultural fit.

• Stage 4: Assignment (과제전형): A design challenge or take-home assignment to assess practical design skills, problem-solving abilities, and strategic thinking.

• Stage 5: 2nd Interview: A more in-depth interview, potentially lasting up to 3 hours. This stage may involve a presentation of the assignment, deeper dives into case studies, and discussions with a broader panel including senior designers and leadership.

• Stage 6: Final Decision: Following the second interview, a final decision will be made. Reference checks may be conducted with candidate consent.

Portfolio Review Tips:

• Curate Selectively: Choose 3-5 of your strongest, most relevant case studies that best demonstrate the required skills (end-to-end ownership, strategy, UX/UI, systems thinking).

• Structure for Clarity: For each case study, clearly define the problem, your role, your process, the solutions, and the outcomes/impact. Use visuals effectively (user flows, wireframes, mockups, prototypes).

• Highlight Process & Rationale: Don't just show final screens. Explain why you made certain design decisions, referencing user research, data, or strategic goals.

• Quantify Impact: Whenever possible, include metrics (e.g., conversion rate increase, task completion time reduction, user satisfaction scores) to demonstrate the value of your design work.

• Tailor to UMOS ONE: Research UMOS ONE's products ('TAP!', 'Pleos Fleet', 'Capora') and the urban mobility space. Frame your case studies to show how your experience and approach align with their mission and challenges.

• PDF & File Size: Ensure all submitted documents, including your portfolio, are in PDF format and adhere to the 30MB file size limit.

Challenge Preparation:

• Understand the Context: The assignment will likely involve designing a feature or solving a problem related to urban mobility, fleet management, or a similar domain.

• Time Management: Allocate your time wisely across research, ideation, design, and presentation preparation.

• Justify Your Decisions: Be prepared to articulate the rationale behind every design choice made during the assignment.

• Presentation Skills: Practice presenting your work clearly and concisely, anticipating questions about your process and solutions.

📝 Enhancement Note: The interview process is multi-stage and rigorous, with a significant emphasis on the portfolio and a design assignment. Candidates must be prepared to demonstrate not only design skills but also strategic thinking, problem-solving capabilities, and a deep understanding of the product development lifecycle within the context of mobility technology.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Figma, Sketch, Adobe XD, or similar industry-standard tools are expected for UI design, wireframing, and interactive prototyping.

• Design System Management: Tools and methodologies for creating, maintaining, and scaling design systems (e.g., Storybook, Zeroheight, or internal documentation platforms).

• Collaboration Platforms: Tools like Slack, Jira, Confluence, or Asana for team communication, project management, and documentation.

Analytics & Reporting:

• User Analytics: Familiarity with tools like Google Analytics, Mixpanel, Amplitude, or internal analytics platforms to understand user behavior and product performance.

• Data Visualization: Ability to interpret data and potentially use tools for creating dashboards or reports to communicate insights (e.g., Tableau, Looker Studio).

CRM & Automation:

• While primarily a design role, understanding how design integrates with CRM systems (like Salesforce) or workflow automation tools might be beneficial for context, especially when designing for fleet management or B2B applications.

📝 Enhancement Note: Proficiency in core design and prototyping tools is essential. Experience with design systems is highly valued. Familiarity with analytics tools will enable data-informed design decisions, and understanding the broader tech stack context will enhance collaboration with engineering teams.

👥 Team Culture & Values

Operations Values:

• Execution & Speed: A strong emphasis on rapid execution and delivering results quickly in a dynamic market.

• Collaboration & Teamwork: The company culture prioritizes working together, supporting each other's growth, and achieving synergy as a team.

• Challenge & Growth: Encouragement to tackle complex problems, embrace challenges, and continuously learn and develop professionally.

• User-Centricity: A commitment to understanding and serving user needs through thoughtful design and iterative improvement.

• Innovation: A drive to innovate and push the boundaries of urban mobility technology.

Collaboration Style:

• Frictionless Experience: A core value reflected in how the team aims to interact internally and externally – aiming for smooth, efficient, and positive interactions.

• Open Communication: Expect an environment where ideas are shared openly, and constructive feedback is integral to the design and development process.

• Cross-functional Synergy: Collaboration is not siloed; designers work closely with product managers and engineers, fostering a shared understanding and ownership of product goals.

• Shared Growth: A culture that believes in collective learning and development, where team members help each other improve and succeed.

📝 Enhancement Note: The company culture values rapid execution, strong teamwork, and continuous learning. Candidates should demonstrate an ability to thrive in a fast-paced environment, collaborate effectively across functions, and embrace challenges as opportunities for growth. The emphasis on "frictionless experience" applies to both product design and team interactions.

⚡ Challenges & Growth Opportunities

Challenges:

• Complexity of Urban Mobility: Designing for a multifaceted ecosystem involving users, vehicles, infrastructure, and diverse service offerings presents significant design challenges.

• Balancing Stakeholder Needs: Effectively integrating the requirements of business, product, engineering, and end-users into a cohesive design.

• Rapid Iteration & Market Adaptation: Keeping pace with technological advancements and market shifts in the fast-evolving mobility sector.

• Establishing Design Systems: Building and maintaining robust design systems for a growing suite of products requires continuous effort and strategic planning.

Learning & Development Opportunities:

• Cutting-Edge Technology: Gain deep experience in Software Defined Vehicles (SDVs), AI in mobility, and integrated operating systems.

• Strategic Design Leadership: Opportunities to influence product strategy and grow into leadership roles.

• Industry Expertise: Become a subject matter expert in the rapidly expanding field of urban mobility and smart city solutions.

• Professional Training: Access to resources, workshops, and potentially conferences to enhance design skills and stay abreast of industry trends.

• Mentorship: Potential to be mentored by experienced leaders or to mentor junior members of the design team.

📝 Enhancement Note: This role offers the chance to tackle complex, real-world challenges in a transformative industry. The growth opportunities are significant, particularly for those looking to deepen their expertise in mobility technology and pursue design leadership.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you led the design strategy for a new product or feature from concept to launch. What was your process, and what were the key challenges?" (Focus on your "0 to 1" experience, strategic thinking, and problem-solving.)

• "How do you approach designing for complex systems with multiple user types and integrations, such as our UMOS platform?" (Prepare to discuss information architecture, user flows for diverse stakeholders, and scalability.)

Company & Culture Questions:

• "What excites you about UMOS ONE's vision for urban mobility, and how do you see design contributing to it?" (Research UMOS ONE's products and mission; connect your passion for design to their goals.)

• "How do you contribute to a collaborative team environment, especially when working with engineers and product managers?" (Provide examples of your communication and teamwork style.)

Portfolio Presentation Strategy:

• Storytelling: Structure your portfolio presentation as a narrative for each case study. Start with the problem, explain your journey, showcase your solutions, and conclude with the impact.

• Focus on Process: Emphasize how you arrived at your solutions, not just the final polished screens. Highlight research, ideation, iteration, and testing.

• Quantify Impact Clearly: Use clear metrics and data to back up your claims of success. Explain the business value of your design contributions.

• Engage & Discuss: Be prepared for interactive discussions. Treat the presentation as a conversation, inviting questions and feedback throughout.

• Tailor to UMOS ONE: Explicitly connect your past work and skills to the specific needs and context of UMOS ONE and the urban mobility domain.

📝 Enhancement Note: Preparation should focus on articulating your design process, strategic thinking, and problem-solving skills with concrete examples from your portfolio. Understanding UMOS ONE's mission and products will be key to tailoring your responses effectively.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided link on Ashby.

• Portfolio Customization: Curate and refine your portfolio to highlight 3-5 of your strongest case studies that best align with UMOS ONE's focus on urban mobility, complex systems, and end-to-end product ownership. Ensure it demonstrates your strategic thinking, process, and impact.

• Resume Optimization: Tailor your resume to emphasize your 5+ years of product design experience, specific achievements in UX/UI, service design, and any relevant experience with design systems or "0 to 1" projects. Use keywords from the job description.

• Interview Preparation: Practice articulating your design process, rationale, and the impact of your work. Prepare to present your portfolio and discuss your approach to design challenges, especially those related to mobility.

• Company Research: Thoroughly research UMOS ONE, 42dot, their products ('TAP!', 'Pleos Fleet', 'Capora'), and the broader urban mobility landscape. Understand their mission and how design plays a crucial role in achieving it.

⚠️ 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.