UX Designer, Mobile

📍 Job Overview

Job Title: UX Designer, Mobile

Company: Roku

Location: Cambridge, United Kingdom

Job Type: Full-Time

Category: UX/Product Design

Date Posted: 2026-06-19T12:04:45

Experience Level: 5-10 Years

Remote Status: Hybrid

🚀 Role Summary

• Lead the design of key mobile streaming experiences, focusing on content discovery, playback, and subscription/account management workflows.

• Drive the end-to-end product development life-cycle for mobile features, from initial product discovery and ideation to A/B testing and final implementation.

• Collaborate closely with Product Managers, Engineers, and User Researchers to translate user needs and business goals into intuitive and delightful user interfaces.

• Ensure designs adhere to both Material Design and iOS Human Interface Guidelines, while also contributing to a consistent design system across multiple product surfaces.

📝 Enhancement Note: This role focuses on a critical aspect of Roku's platform – the mobile user experience. The emphasis on "delightful and effective consumer mobile app experiences" and "streaming experiences" indicates a need for designers who understand the nuances of consumer-facing digital products and the specific challenges of streaming content. The requirement for experience with both Material and iOS guidelines suggests a need for versatility in designing for a broad user base and diverse mobile ecosystems.

📈 Primary Responsibilities

• Conceptualize, design, and deliver user experiences for mobile app features that significantly enhance content discovery, playback, and management.

• Create and communicate design rationale through effective artifacts, including wireframes, user flows, detailed specifications, and interactive prototypes.

• Actively participate in all phases of the product development life-cycle, contributing to product discovery, research, ideation, and iterative testing (e.g., A/B tests).

• Conduct and participate in design reviews with a diverse group of stakeholders, including Product Managers, Engineers, and fellow UX professionals.

• Balance qualitative user insights with quantitative data to inform and validate user-centered design decisions.

• Work intimately with Product Managers to clearly define user problems and business objectives that the designed solutions will address.

• Partner with User Researchers to define and execute research methodologies that yield actionable customer insights and support design validation.

📝 Enhancement Note: The responsibilities highlight a hands-on design role that requires not only creative ideation but also a deep understanding of the product development process and data-driven decision-making. The emphasis on "articulating design rationale" and "creating effective design artifacts" points to a need for strong communication and documentation skills. The inclusion of "A/B tests" signifies an expectation for designers to contribute to measurable improvements in user engagement and conversion.

🎓 Skills & Qualifications

Education: While no specific degree is listed, a Bachelor's degree in Human-Computer Interaction (HCI), Graphic Design, Industrial Design, Psychology, or a related field is often preferred for UX design roles. Equivalent practical experience will also be considered.

Experience: 6+ years of relevant experience in Mobile Product Design, with a strong portfolio showcasing shipped consumer mobile applications.

Required Skills:

• Mobile Interaction Design: Proven ability to design intuitive and engaging mobile interfaces for iOS and Android platforms.

• UX Design Expertise: Comprehensive understanding of user-centered design principles, design thinking methodologies, and the product development life-cycle.

• Wireframing & Prototyping: Proficiency in creating low-fidelity wireframes, high-fidelity mockups, and interactive prototypes using industry-standard tools.

• User Research Collaboration: Experience working with User Researchers or conducting foundational research to gather insights and inform design decisions.

• Platform Design Fluency: Deep understanding and practical application of both Material Design (Android) and iOS Human Interface Guidelines.

• Cross-functional Collaboration: Demonstrated ability to work effectively with Product Managers, Engineers, and other stakeholders in an agile environment.

• Data-Informed Design: Ability to leverage qualitative and quantitative data, including A/B testing results, to drive design iterations and optimizations.

• Ambiguity Tolerance: Capacity to thrive and deliver results in dynamic, fast-paced environments with evolving requirements.

• Empathy for the User: A genuine passion for understanding and advocating for user needs throughout the design process.

Preferred Skills:

• Experience designing for streaming services and understanding of associated content discovery and playback patterns.

• Familiarity with designing reusable patterns and components for scalable design systems.

• Experience contributing to or maintaining design style guides and component libraries.

• A strong portfolio demonstrating a passion for refining subtle details to create world-class user experiences.

📝 Enhancement Note: The explicit mention of "6+ years relevant experience" and "delivering delightful and effective consumer mobile app experiences" indicates that candidates with a substantial track record of shipping successful mobile products will be prioritized. The emphasis on both Material and iOS guidelines suggests a need for designers who can adapt their skills to different design languages, which is crucial for a platform like Roku that spans multiple operating systems.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• Mobile App Case Studies: Showcase 2-3 detailed case studies of mobile applications you've designed, ideally consumer-facing or streaming-related.

• Process Documentation: Clearly articulate your design process for each project, including problem definition, user research (if applicable), ideation, wireframing, prototyping, user testing, and final design implementation.

• Artifact Diversity: Include a range of artifacts such as user flows, wireframes, high-fidelity mockups, interactive prototypes, and any relevant research findings or design rationale.

• Impact & Learnings: For each project, clearly state your specific role, the project's outcome, the measurable impact of your design decisions (e.g., user engagement, conversion rates), and key learnings.

• Platform Adherence: Demonstrate your understanding and application of both Material Design and iOS Human Interface Guidelines within your presented work.

Process Documentation:

• Workflow Design & Optimization: Evidence of designing and optimizing user workflows for mobile applications, particularly for content discovery, playback, and account management.

• System Implementation Standards: Examples of how your designs have been implemented by engineering teams, including clarity of specifications and adherence to design intent.

• Measurement & Performance Analysis: Demonstrations of how designs have been evaluated post-launch, potentially through A/B testing, user feedback analysis, or performance metrics.

📝 Enhancement Note: The interview description specifically requests a portfolio presentation, emphasizing the need for candidates to not only have a portfolio but also to be able to articulate their process and learnings effectively. The requirement to "walk us through a couple of projects you’ve done that you’re especially proud of" and "showing artifacts from your process along the way" means candidates must prepare to present their work dynamically and explain the "why" behind their design choices.

💵 Compensation & Benefits

Salary Range: Based on industry benchmarks for experienced UX Designers with 6+ years of experience in a major tech hub like Cambridge, UK, the expected salary range for this role is likely between £60,000 - £90,000 per annum. This estimate considers the demand for specialized mobile UX skills, Roku's position as a leading tech company, and the cost of living in the Cambridge area.

Benefits:

• Comprehensive Healthcare: Access to medical, dental, and vision insurance plans.

• Mental Health & Wellness: Global access to mental health support and financial wellness resources.

• Insurance: Life, accident, and disability insurance coverage.

• Retirement Planning: Options for retirement savings plans, such as a 401(k) or pension scheme.

• Commuter Benefits: Support for commuting expenses.

• Paid Time Off: Generous leave policies for personal needs, holidays, and time off.

• Professional Development: Opportunities for learning and growth within the company.

Working Hours: The standard working hours are estimated to be 40 hours per week. The hybrid work approach allows for 4 days in the office (Monday-Thursday) and 1 flexible remote day on Fridays, except where specific roles or office policies require 5 days in the office.

📝 Enhancement Note: Salary estimations are based on publicly available data for UX Designer roles in the UK, adjusted for experience level and location. The benefits listed are derived directly from the provided job description, highlighting Roku's commitment to employee well-being and financial security. The hybrid work arrangement is clearly defined, indicating a structured approach to flexible working.

🎯 Team & Company Context

🏢 Company Culture

Industry: Consumer Electronics, Software, Streaming Media, Technology. Roku is a dominant force in the connected TV streaming platform market, connecting consumers with content and advertisers with audiences.

Company Size: Roku is a large public company, indicating a robust organizational structure with established processes and a significant global presence. This size offers opportunities for diverse career paths and exposure to large-scale projects.

Founded: Founded in 2002, Roku has a long history in the streaming industry, evolving from a pioneer to a market leader. This longevity suggests a stable yet innovative environment with deep expertise in its domain.

Team Structure:

• The User Experience team is a dedicated function comprising UX Designers, Researchers, and Writers.

• This team operates collaboratively with world-class Product and Engineering departments.

• The UX Design Manager is listed as a hiring manager, suggesting a structured management hierarchy within the UX team.

• Cross-functional collaboration is a key aspect, with designers working alongside Product Managers and Engineers throughout the product development cycle. Methodology:

• User-Centered Design: A core philosophy emphasizing understanding and meeting customer needs.

• Data-Driven Decision Making: Utilizing both qualitative (research) and quantitative (A/B testing) data to inform design choices.

• Agile Product Development: Active participation across the entire product development life-cycle, from discovery to iteration.

• Collaborative Design Reviews: Regular reviews with cross-functional teams to refine concepts and ensure alignment.

Company Website: https://www.weareroku.com/

📝 Enhancement Note: Roku's culture is described as fast-paced, collaborative, and focused on individual talent and bold action. The emphasis on "problem-solvers" who deliver solutions aligns well with the operational and strategic demands of a UX design role within a tech company. The mention of "fewer number of very talented folks can do more for less cost" suggests a high bar for talent and a focus on efficiency.

📈 Career & Growth Analysis

Operations Career Level: This role is positioned as an experienced individual contributor within the UX Design discipline, specifically focused on mobile product design. It requires a senior level of expertise (6+ years) and the ability to lead design efforts for significant features. The role implies autonomy in design execution and a strong voice in product strategy related to the user experience.

Reporting Structure: The UX Designer will likely report to the UX Design Manager and work closely with Product Managers and Engineering leads on specific product initiatives. This structure facilitates direct collaboration and clear communication channels.

Operations Impact: The UX Designer's work directly impacts user engagement, satisfaction, and retention on Roku's mobile platforms. By creating intuitive and delightful experiences for content discovery, playback, and account management, the designer contributes significantly to Roku's overall mission and its ability to connect users with content, thereby influencing overall platform success and revenue.

Growth Opportunities:

• Design Leadership: Potential to grow into a Senior UX Designer or Lead UX Designer role, taking on more complex projects and mentoring junior designers.

• Specialization: Deepen expertise in mobile UX, streaming media design, or user research methodologies.

• Cross-Functional Mobility: Opportunities to collaborate with different product teams or explore related roles within the broader Product or Design organization.

• Skill Development: Continuous learning through challenging projects, design reviews, and exposure to evolving industry best practices and technologies.

📝 Enhancement Note: The role is clearly defined as an experienced individual contributor, offering significant impact and growth potential within Roku's established UX team. The emphasis on collaboration and data-driven decision-making prepares candidates for an environment where their contributions are measurable and valued.

🌐 Work Environment

Office Type: Roku operates a hybrid work model. Employees are expected to be in the office Monday through Thursday, with Fridays offering flexibility for remote work or continued in-office collaboration.

Office Location(s): The specific office is located in Cambridge, United Kingdom. This location is known for its strong technology and innovation ecosystem.

Workspace Context:

• Collaborative Space: The office environment is designed to foster collaboration, with teams working together Monday-Thursday.

• Tools & Technology: While not explicitly stated, it's expected that designers will have access to modern design software, hardware, and collaboration tools necessary for their role.

• Team Interaction: Opportunities for daily interaction with designers, researchers, product managers, and engineers, facilitating rapid feedback and iterative design processes.

Work Schedule: The hybrid model allows for a structured work week with a balance between in-office collaboration and remote flexibility. Standard working hours are typically 40 hours per week, with flexibility on Fridays.

📝 Enhancement Note: The hybrid work arrangement is a key aspect of the work environment, indicating a balance between in-person collaboration and individual focus. The mention of Cambridge, UK, suggests a vibrant tech hub environment, which can be attractive to design professionals.

📄 Application & Portfolio Review Process

Interview Process:

• Recruiter Call: Initial screening call with a dedicated Roku recruiter to assess basic qualifications and cultural fit.

• Hiring Manager Call: Follow-up discussion with the UX Design Manager to delve deeper into experience, skills, and role expectations.

• Portfolio Presentation: A 35-minute presentation to a 4-person cross-functional panel (designers, researchers, PMs). Candidates will showcase 2-3 proud projects, detailing their role, process, outcomes, and learnings, supported by artifacts.

• One-on-One Meetings: Individual meetings with panel members for in-depth follow-up questions and further assessment.

Portfolio Review Tips:

• Storytelling: Structure your presentation as a narrative. Clearly define the problem, your approach, the challenges encountered, your solutions, and the impact.

• Process Clarity: Explicitly detail your design process for each project. Show, don't just tell, your work through relevant artifacts like user flows, wireframes, mockups, and prototypes.

• Quantify Impact: Wherever possible, use metrics and data to demonstrate the success of your designs. Highlight tangible results and learnings.

• Company Relevance: Tailor your presentation to Roku's business. If possible, connect your project outcomes to concepts like user engagement, content discovery, or platform growth.

• Conciseness: Respect the 35-minute time limit. Rehearse your presentation to ensure you cover all key points efficiently.

Challenge Preparation:

• Design Thinking: Be prepared to discuss how you approach design problems, from understanding user needs to iterating on solutions.

• Platform Nuances: Have examples ready that showcase your understanding of both Material Design and iOS design principles and how you apply them.

• Collaboration Scenarios: Think about how you collaborate with PMs and Engineers. Be ready to discuss examples of successful (and perhaps challenging) cross-functional partnerships.

📝 Enhancement Note: The interview process is structured and detailed, with a significant emphasis placed on the portfolio presentation. Candidates should prepare thoroughly to articulate their design thinking, process, and the impact of their work, demonstrating a deep understanding of mobile UX principles and Roku's business context.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Proficiency in industry-standard tools such as Figma, Sketch, Adobe XD, InVision, or similar platforms for wireframing, UI design, and interactive prototyping.

• Collaboration Platforms: Familiarity with tools like Jira, Confluence, Slack, or Microsoft Teams for project management and team communication.

Analytics & Reporting:

• Understanding of how to interpret and utilize data from analytics platforms (e.g., Google Analytics, Amplitude, Mixpanel) to inform design decisions.

• Experience with A/B testing tools and methodologies to validate design hypotheses. CRM & Automation:

• While not a direct CRM role, an understanding of how user data and account management systems (often linked to CRMs) impact user experience is beneficial.

📝 Enhancement Note: While specific tools are not listed, the responsibilities and requirements imply a need for proficiency in standard UX design software. The mention of "A/B tests" and "qualitative and quantitative data" suggests that familiarity with analytics and testing tools is highly valued.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep-seated empathy for the user and a commitment to creating experiences that are simple, delightful, and effective.

• Collaboration & Teamwork: A belief that great experiences are built through close collaboration with cross-functional partners (Product, Engineering, Research).

• Data-Driven Approach: Utilizing data and user insights to inform decisions and measure the impact of design solutions.

• Pragmatism & Action: A focus on delivering real, tangible solutions rather than getting lost in theoretical discussions; a "penchant for action."

• Attention to Detail: A commitment to refining the subtle details that elevate a good experience to a world-class one.

Collaboration Style:

• Cross-functional Integration: Seamless integration with Product Management and Engineering teams throughout the product development lifecycle.

• Open Communication: Encouraging open dialogue and constructive feedback during design reviews and team discussions.

• Knowledge Sharing: A culture that fosters sharing best practices, learnings, and insights among design, research, and product teams.

📝 Enhancement Note: Roku's culture emphasizes talent, bold action, and a focus on delivering tangible results. The values of user-centricity, collaboration, and a data-driven approach are paramount for a UX designer aiming to make a significant impact within the organization.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs and Business Goals: Effectively translating diverse user needs and complex business objectives into cohesive and compelling mobile experiences.

• Navigating Ambiguity: Thriving in an environment where requirements may evolve, requiring flexibility and rapid iteration on designs.

• Cross-Platform Consistency: Ensuring a consistent and high-quality user experience across both Material Design (Android) and iOS platforms.

• Driving Design Impact: Demonstrating the tangible impact of design decisions through data and user feedback in a competitive streaming landscape.

Learning & Development Opportunities:

• Advanced Mobile UX: Opportunities to deepen expertise in cutting-edge mobile interaction patterns and emerging technologies within the streaming space.

• Design System Contribution: Potential to contribute to and evolve Roku's design system, impacting a wide range of products.

• Cross-Functional Exposure: Gaining deeper insights into product strategy, engineering constraints, and user research methodologies through close collaboration.

• Industry Trends: Staying abreast of the rapidly evolving landscape of streaming media and consumer technology through challenging projects and company-sponsored learning.

📝 Enhancement Note: The challenges presented are typical for senior UX roles in fast-paced tech environments, requiring strong problem-solving skills and adaptability. The growth opportunities are aligned with career progression in UX design, offering pathways for specialization and leadership.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to balance competing user needs with strict business requirements. How did you approach it, and what was the outcome?" (Focus on your process, decision-making, and ability to compromise.)

• "Walk us through a mobile app feature you designed that you're particularly proud of. What was the problem, your role, your process, the challenges, and the results?" (This is the core of your portfolio presentation.)

• "How do you ensure your designs are scalable and maintainable across different platforms (e.g., iOS and Android) and product surfaces?" (Demonstrate your understanding of design systems and platform guidelines.) Company & Culture Questions:

• "What excites you about Roku's mission and its position in the streaming market?" (Research Roku's products, recent news, and competitors.)

• "How do you approach collaboration with Product Managers and Engineers, especially when there are differing opinions?" (Highlight your communication skills and ability to build consensus.)

• "How do you use data and user research to inform your design decisions?" (Be ready to provide specific examples from your portfolio.) Portfolio Presentation Strategy:

• Structure: Problem -> Your Role -> Process (Research, Ideation, Design, Testing) -> Solution -> Impact (Metrics) -> Learnings.

• Artifacts: Select 2-3 projects that best showcase your mobile UX skills, your process, and your ability to drive impact. Ensure artifacts are clear, well-annotated, and visually compelling.

• Narrative: Tell a compelling story about each project. Focus on the "why" behind your decisions and the impact of your work.

• Conciseness: Practice rigorously to ensure you fit within the 35-minute timeframe, leaving ample time for Q&A.

📝 Enhancement Note: Preparation for this role should focus on articulating design rationale, showcasing a robust process with tangible artifacts, and demonstrating a user-centric mindset. The portfolio presentation is a critical component, requiring candidates to be confident storytellers about their design journey and impact.

📌 Application Steps

To apply for this UX Designer, Mobile position:

• Submit your application through the provided link on the Roku careers site.

• Portfolio Customization: Curate your online portfolio or PDF to prominently feature 2-3 of your strongest mobile UX design case studies. Ensure these clearly demonstrate your process, role, and impact, aligning with the responsibilities of this role.

• Resume Optimization: Tailor your resume to highlight your 6+ years of mobile product design experience, fluency with Material and iOS guidelines, experience with streaming services, and collaborative capabilities. Use keywords from the job description.

• Interview Preparation: Rehearse your portfolio presentation, focusing on storytelling, clarity of process, and quantifiable results. Prepare answers for common UX strategy, collaboration, and company-specific questions.

• Company Research: Deeply research Roku's products, particularly their mobile apps and streaming platform. Understand their business model, target audience, and recent developments to better contextualize your experience and demonstrate your interest.

⚠️ 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.