Designer, Principal UX

Slate Auto
Full-time

📍 Job Overview

Job Title: Principal UX Designer

Company: Slate Auto

Location: United States (Remote)

Job Type: Full-Time

Category: User Experience (UX) Design / Product Design

Date Posted: May 18, 2026

Experience Level: 10+ Years Professional Experience

🚀 Role Summary

  • Lead the strategic definition and execution of user experience (UX) for Slate Auto's digital products, including the online marketplace, ownership app, purchasing flow, and in-vehicle digital experience.

  • Establish and champion user-centric design processes and methodologies to ensure ease of use, consistency, and delight across all Slate customer touchpoints.

  • Collaborate closely with Brand, Design, HMI, Engineering, and Software teams to translate complex user needs and business objectives into intuitive and impactful UX solutions.

  • Act as a key advisor to executive stakeholders, expertly articulating user insights, design rationale, and actionable UX recommendations.

  • Drive innovation in interaction models and emerging technologies within the automotive and consumer electronics spaces.

📝 Enhancement Note: This role is positioned as a Principal UX Designer, indicating a senior-level position with significant strategic influence and leadership expectations. The emphasis on "disruptive, ambiguous problem spaces" and "establishing User Experience (UX) processes" suggests a need for a proactive, self-starter who can define and build UX best practices within a rapidly evolving startup environment. The "Remote OK" status with a focus on "United States" implies a need for strong self-management and communication skills.

📈 Primary Responsibilities

  • Develop and execute comprehensive UX strategies that align with Slate Auto's mission to build safe, reliable, and personalized electric vehicles.

  • Lead the design and definition of user flows, wireframes, prototypes, and user interface specifications for digital products and in-vehicle systems.

  • Conduct and leverage user research, usability testing, and competitive analysis to inform design decisions and validate concepts.

  • Advocate for accessibility and inclusivity, ensuring UX solutions cater to a diverse user base.

  • Foster strong collaborative relationships with product management, engineering, marketing, and other key stakeholders to ensure cohesive product development.

  • Translate complex technical requirements and business goals into user-friendly and engaging digital experiences.

  • Champion a user-centric design culture throughout the organization, promoting UX best practices and principles.

  • Mentor and guide junior designers, contributing to the growth and development of the design team.

📝 Enhancement Note: The responsibilities emphasize both strategic leadership and hands-on design execution, typical of a Principal level. The inclusion of "in and out of vehicle" experience highlights the need for a holistic understanding of the customer journey across physical and digital touchpoints. The requirement to "promote, and advise stakeholders on, the user-centric approach" points to a strong advisory and influencing component of the role.

🎓 Skills & Qualifications

Education:

  • Bachelor's Degree in User Experience Design, Human-Computer Interaction (HCI), Communications, or a related UX field.

Experience:

  • 10+ years of professional work experience leading high-impact UX projects, with a demonstrated ability to navigate ambiguous and complex problem spaces.

Required Skills:

  • Expertise in interface design and evaluation, with a thorough knowledge of a wide range of UX approaches and methodologies (e.g., user-centered design, design thinking, agile UX).

  • Proficiency with UX design and prototyping tools, with a specific requirement for Figma.

  • Deep understanding of accessibility (WCAG) and inclusivity principles in UX design.

  • Strong strategic thinking and problem-solving abilities, capable of balancing strategic initiatives with tactical execution.

  • Excellent interpersonal, organizational, and analytical skills, with the ability to build strong relationships with diverse stakeholders.

  • Proficient in both written and spoken English.

Preferred Skills:

  • Experience in the automotive or consumer electronics industries.

  • Experience working within an Agile development process.

  • Familiarity with HMI (Human-Machine Interface) design principles and best practices.

📝 Enhancement Note: The requirement for 10+ years of experience in "disruptive, ambiguous problem spaces" strongly suggests that candidates with experience in startups, new product development, or industries undergoing significant transformation will be highly valued. The explicit mention of Figma and a "deep understanding of accessibility and inclusivity" are critical technical and ethical requirements.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

  • A robust portfolio showcasing a minimum of 10 years of impactful UX leadership and project execution.

  • Demonstrations of successfully defining and implementing UX processes and methodologies in previous roles.

  • Case studies highlighting how you've navigated ambiguous problem spaces and delivered innovative UX solutions.

  • Examples of cross-functional collaboration and stakeholder management, particularly with engineering and HMI teams.

Process Documentation:

  • Examples of documented UX strategies, design frameworks, or process improvements you have implemented.

  • Prototypes and design artifacts that clearly articulate complex user flows and interaction models.

  • Case studies that detail your problem-solving approach, from initial research to final design, including rationale and outcomes.

  • Demonstrations of how you've ensured accessibility and inclusivity are integrated into the design process.

📝 Enhancement Note: For a Principal UX Designer role, the portfolio is paramount. It should not only showcase design output but also the candidate's strategic thinking, process-building capabilities, and leadership in driving user-centricity. Expect to present detailed case studies that explain how you achieved results, not just what the results were.

💵 Compensation & Benefits

Salary Range:

Benefits:

  • Comprehensive Health, Dental, and Vision Insurance: Covering medical, dental, and vision needs for employees and their dependents.

  • Stock Options/Equity: Potential for ownership in a growing EV startup, aligning employee success with company growth.

  • 401(k) Retirement Plan: With potential company match, supporting long-term financial planning.

  • Generous Paid Time Off (PTO): Including vacation, sick leave, and company holidays, promoting work-life balance.

  • Professional Development Budget: To support continuous learning, skill enhancement, and industry-related conferences or certifications.

  • Remote Work Stipend: To help set up an effective and comfortable home office environment.

Working Hours:

  • Standard full-time work week, approximately 40 hours per week.

  • Flexibility is expected, with the ability to adapt working hours to meet project deadlines and collaborate effectively across different time zones within the US.

📝 Enhancement Note: Salary estimation is based on typical compensation for Principal UX Designers in the US tech and automotive sectors, considering the remote nature and startup environment which may offer equity as a significant component. Benefits are typical for full-time roles at growing companies, with an emphasis on professional development and remote work support.

🎯 Team & Company Context

🏢 Company Culture

Industry: Automotive (Electric Vehicles), Technology, Manufacturing

Company Size: Startup (Pre-production phase, rapidly growing) - Expected to be between 50-200 employees currently, with significant growth planned. This means a dynamic, fast-paced environment where roles can evolve.

Founded: Slate Auto is a relatively new company, focused on reindustrialization and building an EV truck from the ground up. This implies a culture of innovation, "building the plane while flying it," and a strong sense of mission.

Team Structure:

  • The UX Design team is likely part of a larger Product or Digital Experience group.

  • Reporting structure will likely be to a Head of Product, Director of Design, or VP of Engineering/Product.

Methodology:

  • Emphasis on a "Fast, Frugal, and Scrappy" approach, typical of startups, balancing speed with resourcefulness.

  • Commitment to "Relentless Improvement" and "One Team" principles suggests a culture of continuous learning, iteration, and collective ownership.

  • A "User-Centric" approach is explicitly stated as a core value and a key responsibility for this role.

Company Website: slate.auto

📝 Enhancement Note: As a startup in the EV space, Slate Auto likely fosters a culture that is passionate, mission-driven, and hands-on. The "DIY and customization" ethos extends to how they build their company, valuing ingenuity and individual contribution. The "Fast, Frugal, and Scrappy" principle means candidates should be comfortable with ambiguity and resource constraints.

📈 Career & Growth Analysis

Operations Career Level: Principal UX Designer

Reporting Structure:

Operations Impact:

Growth Opportunities:

  • Specialization: Deepen expertise in specific areas like automotive UX, HMI design, or user research methodologies.

  • Leadership: Transition into management roles (e.g., UX Manager, Design Lead) as the team grows.

  • Product Strategy: Influence broader product roadmaps and company strategy through UX insights.

  • Cross-functional Expertise: Gain deeper understanding of engineering, HMI, and business operations.

  • Industry Influence: Become a recognized voice in EV and automotive UX design.

📝 Enhancement Note: The "Principal" title signifies a high level of individual contribution and strategic influence. Growth opportunities will likely involve moving from leading projects to leading design strategy, and potentially into people management as the company scales. The emphasis on "disruptive, ambiguous problem spaces" suggests opportunities for significant impact by defining new standards.

🌐 Work Environment

Office Type: Remote-First (with potential for occasional in-person collaboration or team meetups, though not explicitly stated).

Office Location(s): Primarily United States, with flexibility for candidates to work from home across various states.

Workspace Context:

  • The environment is expected to be highly collaborative, leveraging digital tools for communication and design.

  • Expect a fast-paced, startup atmosphere with a strong emphasis on innovation and rapid iteration.

  • Access to cutting-edge design tools (Figma) and potentially advanced prototyping or testing equipment will be available.

Work Schedule:

  • Standard 40-hour work week, with flexibility to accommodate project needs and cross-time zone collaboration.

  • While remote, maintaining consistent communication and availability during core business hours (likely aligned with US time zones) will be essential for effective teamwork.

📝 Enhancement Note: The "Remote OK" status signifies a trust-based work environment. Candidates should be comfortable with self-management, proactive communication, and leveraging digital collaboration tools to their fullest extent. The startup nature implies a dynamic and potentially less structured environment than a large corporation, requiring adaptability.

📄 Application & Portfolio Review Process

Interview Process:

  1. Initial Screening: HR or Recruiter call to assess basic qualifications, cultural fit, and interest.

  2. Hiring Manager Interview: Deeper dive into experience, UX philosophy, and leadership capabilities. Discussion of specific projects from your portfolio.

  3. Portfolio Presentation & Design Challenge: A critical stage where candidates present 2-3 selected case studies from their portfolio, demonstrating their process, problem-solving skills, and impact. May be followed by a take-home design challenge or an in-person/virtual whiteboarding session focused on a specific UX problem.

  4. Cross-functional Interviews: Meetings with key stakeholders from Engineering, Product Management, and potentially HMI/Brand teams to assess collaboration style and technical understanding.

  5. Executive Interview: Final discussion with senior leadership (e.g., VP of Product, CTO) to evaluate strategic thinking and alignment with company vision.

Portfolio Review Tips:

  • Curate Strategically: Select 3-4 projects that best showcase your principal-level capabilities, focusing on complex problems, strategic influence, and measurable impact.

  • Tell a Story: For each case study, clearly articulate the problem, your role, the process you followed (research, ideation, design, testing), the challenges you overcame, and the quantifiable outcomes.

  • Highlight Process, Not Just Pixels: Emphasize your UX methodology, decision-making rationale, and how you collaborated with teams. Show your thinking.

  • Demonstrate Ambiguity Navigation: Showcase projects where you had to define the problem or process yourself.

  • Prepare for Questions: Be ready to discuss your design choices, trade-offs made, and lessons learned in detail.

Challenge Preparation:

  • Understand the Context: If given a design challenge, thoroughly research Slate Auto, their mission, and the EV market.

  • Focus on Process: Even if time is limited, demonstrate your problem-solving approach, user research considerations, and ideation methods.

  • Communicate Your Thinking: Articulate your assumptions, hypotheses, and design rationale clearly and concisely.

  • Prioritize: In a timed challenge, focus on the most critical aspects of the problem and be prepared to discuss what you would do next if you had more time.

📝 Enhancement Note: The portfolio presentation is likely the most crucial part of the interview process for a Principal level role. Candidates should be prepared to articulate their strategic contributions and impact on business objectives, not just aesthetic design. The mention of "disruptive, ambiguous problem spaces" suggests that challenges might involve open-ended problems rather than highly defined tasks.

🛠 Tools & Technology Stack

Primary Tools:

  • Figma: Explicitly required for UX design, prototyping, and collaboration. Expect complex file structures and extensive use for design systems.

  • Prototyping Tools: While Figma has strong prototyping capabilities, familiarity with other tools like InVision, Axure, or Adobe XD might be beneficial for more complex interactions or specific workflows.

  • User Research Platforms: Tools for surveys, interviews, and usability testing (e.g., UserTesting.com, Lookback, Maze, SurveyMonkey).

Analytics & Reporting:

  • Web Analytics: Google Analytics, Adobe Analytics (for online platform performance).

  • Product Analytics: Amplitude, Mixpanel, Heap (for in-app user behavior analysis).

  • Business Intelligence Tools: Tableau, Power BI, Looker (for reporting on key business metrics influenced by UX).

CRM & Automation:

  • CRM: Salesforce, HubSpot (for understanding customer journeys and sales processes).

  • Project Management: Jira, Asana, Trello (for workflow tracking and collaboration with engineering).

  • Collaboration Suites: Slack, Microsoft Teams (for daily communication and team interaction).

📝 Enhancement Note: Proficiency in Figma is a non-negotiable technical skill. The other tools listed are common in product development environments and indicate the need for a broad understanding of the digital product lifecycle and cross-functional toolchains. Familiarity with automotive-specific HMI design tools or processes might also be advantageous.

👥 Team Culture & Values

Operations Values:

  • Safety First: Paramount in the automotive industry, this value likely extends to ensuring user safety through intuitive and predictable interfaces.

  • Delight Customers: A core driver for UX, this means creating experiences that are not only functional but also enjoyable and memorable.

  • One Team: Emphasizes collaboration, shared ownership, and supporting colleagues across functions.

  • Relentless Improvement: A commitment to continuous iteration, learning from feedback, and always seeking better solutions.

  • Fast, Frugal, and Scrappy: Encourages resourcefulness, agility, and efficient problem-solving, especially in a startup environment.

  • Respectful Collaboration: Fosters an inclusive environment where diverse perspectives are valued and openly shared.

  • Positive Legacy: A long-term vision, suggesting a focus on building sustainable, impactful products and a strong company culture.

Collaboration Style:

  • Highly collaborative and cross-functional, with a need to work closely with engineering, product management, and HMI specialists.

  • Expect a culture that values open communication, constructive feedback, and shared problem-solving.

  • The "One Team" and "Respectful Collaboration" values suggest an environment where team members support each other and work towards common goals.

📝 Enhancement Note: The company values are a strong indicator of the desired work environment. A Principal UX Designer will be expected to embody these values, particularly "Relentless Improvement," "Fast, Frugal, and Scrappy," and "One Team," while driving the "Delight Customers" and "Safety First" principles through their design work.

⚡ Challenges & Growth Opportunities

Challenges:

  • Defining UX in a New Industry: As a new EV company, Slate Auto is building its digital presence from the ground up. This means defining standards, processes, and user expectations in a rapidly evolving market.

  • Balancing Innovation with Ambiguity: The role requires navigating "disruptive, ambiguous problem spaces" while delivering tangible, user-centered solutions.

  • Cross-Functional Alignment: Ensuring seamless integration of UX across hardware (HMI) and software development, often with different priorities and timelines.

  • Scaling UX Processes: As the company grows, the challenge will be to scale the UX processes and team effectively without sacrificing quality or speed.

  • Remote Collaboration: Maintaining strong team cohesion and design quality in a fully remote or hybrid environment.

Learning & Development Opportunities:

  • Industry Expertise: Deepen knowledge of the electric vehicle market, automotive UX trends, and HMI design.

  • Strategic Leadership: Develop skills in product strategy, roadmap planning, and influencing executive decision-making.

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

  • New Technology Adoption: Work with cutting-edge technologies and interaction models in the automotive space.

  • Startup Experience: Gain invaluable experience in building a company and product from its early stages.

📝 Enhancement Note: The challenges are inherent to a startup in a complex industry. The growth opportunities are significant for a senior designer looking to make a substantial impact and grow their career beyond purely execution-focused roles.

💡 Interview Preparation

Strategy Questions:

  • "Describe a time you had to define UX processes or strategies from scratch. What was your approach, and what were the outcomes?" (Focus on your ability to build and lead.)

  • "How do you balance strategic user needs with business objectives and technical constraints, especially in an ambiguous environment?" (Showcase your prioritization and trade-off skills.)

  • "Walk us through a complex UX project from your portfolio where you significantly influenced the product strategy or outcome. What was your role, what were the key decisions, and what was the measurable impact?" (Prepare a detailed case study.)

Company & Culture Questions:

  • "What excites you about Slate Auto's mission and the EV industry?" (Show you've done your research and are passionate.)

  • "How do you approach collaboration with engineering and product management teams?" (Highlight your teamwork and communication skills.)

  • "Given our 'Fast, Frugal, and Scrappy' value, how would you approach a project with limited resources or tight deadlines?" (Demonstrate adaptability and resourcefulness.)

Portfolio Presentation Strategy:

  • Structure is Key: For each case study, use a clear narrative: Problem -> Your Role & Process -> Solutions -> Outcome/Impact -> Learnings.

  • Visuals Matter: Use high-quality mockups, user flow diagrams, and prototypes to illustrate your work.

  • Quantify Impact: Whenever possible, use data and metrics to demonstrate the success of your designs (e.g., conversion rate improvements, task completion times, user satisfaction scores).

  • Be Ready to Dig Deep: Anticipate questions about specific design choices, challenges, and alternative approaches you considered.

  • Connect to Slate Auto: Frame your experience and examples in a way that shows how you can directly contribute to Slate Auto's goals.

📝 Enhancement Note: Expect interview questions to probe your strategic thinking, process-building capabilities, and ability to lead complex, ambiguous projects. Your portfolio presentation should be a masterclass in your UX methodology and impact.

📌 Application Steps

To apply for this Principal UX Designer position:

  • Submit your application through the provided Workday link, ensuring all required fields are completed accurately.

  • Portfolio Customization: Tailor your resume and cover letter to highlight your 10+ years of experience in leading high-impact UX projects, your experience with Figma, and your expertise in navigating ambiguous problem spaces.

  • Resume Optimization: Clearly articulate achievements using action verbs and quantify your impact whenever possible, aligning your experience with the core responsibilities and requirements of the role.

  • Portfolio Preparation: Select 2-3 of your most relevant and impactful UX case studies to present. Ensure they clearly demonstrate your strategic thinking, process, collaboration, and measurable outcomes. Practice your presentation thoroughly.

  • Company Research: Deeply research Slate Auto's mission, products, values, and recent news. Understand their commitment to DIY, customization, and building an affordable EV truck. Prepare to discuss how your UX philosophy aligns with their culture.

⚠️ 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.

Application Requirements

Candidates must have a Bachelor's degree in UX or a related field and over 10 years of professional experience leading high-impact UX projects. Proficiency in Figma and a deep understanding of accessibility and inclusive design are required.