Senior Product Designer

📍 Job Overview

Job Title: Senior Product Designer

Company: US Mobile

Location: New York City, New York, United States

Job Type: Full-time

Category: Product Design / UX/UI

Date Posted: May 4, 2026

Experience Level: 6+ Years

Remote Status: Hybrid

🚀 Role Summary

• Drive the end-to-end design process for marketing pages, web applications, and core mobile features within a fast-paced, hypergrowth tech startup environment.

• Lead the creation and expansion of a new design library for web, mobile, and marketing pages, ensuring consistency and scalability post-rebrand.

• Establish and refine Design Operations (Design Ops) rituals and culture to enhance the velocity, effectiveness, and collaboration of the product design team.

• Champion user needs, business strategy, and a seamless user experience across the entire product lifecycle, advocating for a high bar of quality in information architecture, UX, and visual design.

• Collaborate closely with engineering and product teams to define and deliver new components and features, contributing to US Mobile's mission of revolutionizing connectivity.

📝 Enhancement Note: This role is positioned as a Senior Individual Contributor (IC) with a strong emphasis on ownership, driving design quality, and influencing team culture. The "6+ YOE in tech startups" and "track record of shipping at scale" indicate a need for proven experience in dynamic environments with significant product output. The mention of "mindful design + efficient EPD process" highlights the expectation of strategic thinking beyond just UI execution.

📈 Primary Responsibilities

• Product Design Ownership: Take full ownership of designing new desktop web applications, new marketing pages, and ongoing core features such as AI Customer Support, Security, Growth initiatives, Roaming, and Shop. This includes defining Information Architecture (IA), User Experience (UX), and User Interface (UI) with a high standard for visual polish.

• Design Library Development: Lead the initiative to build and maintain a comprehensive design library for web, mobile, and marketing pages, ensuring adherence to new brand guidelines and facilitating efficient component reuse.

• Design Operations Leadership: Define, implement, and iterate on Design Operations (Design Ops) processes, rituals, and best practices to streamline workflows, improve team velocity, and foster a collaborative design culture.

• User Advocacy & Strategy: Autonomously advocate for real user needs, business strategy, and a consistent, easeful product experience. Articulate strategic recommendations, pros/cons of design decisions, and estimate design timelines effectively.

• Cross-Functional Collaboration: Drive mindful and efficient collaboration between Product, Design, and Engineering (EPD) teams, ensuring alignment on design vision, technical feasibility, and product goals.

📝 Enhancement Note: The responsibilities clearly indicate a need for a hands-on designer who can also operate strategically. "Own / Build New Design Library" and "Design Ops: Define rituals and culture" are key leadership components for a senior role. The specific feature areas (AI CS, Security, Growth, Roaming, Shop) suggest a focus on enhancing core product functionality and user acquisition/retention.

🎓 Skills & Qualifications

Education: While no specific degree is mandated, a strong portfolio demonstrating equivalent knowledge and practical application of design principles is essential. A background in Human-Computer Interaction (HCI), Graphic Design, Industrial Design, or a related field is typically beneficial.

Experience: 6+ years of experience as a Product Designer, specifically within fast-paced tech startup environments, with a proven track record of successfully shipping scalable consumer-facing technology, fintech, or platform products.

Required Skills:

• Product Design Expertise: Proven ability to deliver end-to-end product designs, from concept to high-fidelity mockups and prototypes, for web and mobile platforms.

• Visual & Interaction Design: Mastery in defining and creating new UI components, ensuring a high standard of visual polish, and designing intuitive, delightful interactions.

• Information Architecture (IA): Strong skills in structuring complex information logically and creating clear navigation systems to minimize cognitive load for users.

• User Experience (UX) Design: Demonstrated ability to advocate for user needs, conduct user research (implicitly), and translate insights into user-friendly and effective experiences.

• Design Library Management: Experience in building, maintaining, and scaling design systems or libraries to ensure consistency and efficiency across multiple platforms.

• Design Operations (Design Ops): Understanding of or experience in establishing design processes, rituals, and team cadences to optimize productivity and collaboration.

• Strategic Thinking & Business Acumen: Ability to articulate a strong point of view, understand business strategy, and make data-informed design decisions.

• Autonomy & Ownership: Capacity to work independently, drive projects from inception to completion, and take full responsibility for design outcomes.

Preferred Skills:

• Experience with AI-powered features or customer support systems.

• Familiarity with security-focused product design principles.

• Experience in growth hacking or user acquisition/retention design strategies.

• Proficiency in designing for platform products or complex ecosystems.

• Experience with 5G or IoT connectivity products.

• Familiarity with working within an incomplete or undocumented design library and the process of building one.

📝 Enhancement Note: The emphasis on "autonomously advocate," "strong POV," and "estimate design time" points to a senior candidate expected to manage their workload and contribute strategically without constant oversight. The "6+ years experience" and "track record of shipping at scale" are critical indicators for this senior individual contributor role.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• End-to-End Case Studies: Showcase 2-3 comprehensive case studies detailing your process from problem definition to shipped solution. These should highlight your role in defining IA, UX, and UI for consumer-facing products, ideally including web apps, mobile apps, or marketing pages.

• Component Design Examples: Include examples of new UI components you've designed and implemented, demonstrating your ability to work within or build design systems.

• Design System Contributions: If possible, showcase contributions to existing design systems or examples of how you've structured design libraries for consistency and scalability.

• Process Documentation: Demonstrate an understanding of design process, workflow optimization, and how you've contributed to efficient EPD collaboration.

Process Documentation:

• Workflow Design & Optimization: Explain how you approach defining product requirements, user flows, and information architecture. Detail methods used for optimizing user journeys and reducing cognitive load.

• System Implementation & Automation: Provide examples of how your designs have been implemented, and discuss any contributions to standardizing design components or processes that improve developer efficiency.

• Measurement & Performance Analysis: Illustrate how you measure the success of your designs, using user data, business metrics, or A/B testing results to inform iterations and improvements.

📝 Enhancement Note: Given the role's responsibility for building a new design library and defining Design Ops, the portfolio should explicitly address how candidates have tackled similar challenges. Demonstrating an understanding of how design impacts development efficiency and business outcomes is crucial.

💵 Compensation & Benefits

Salary Range: $150,000 - $200,000 per year (NYC Only)

Benefits:

• Annual Offsite: Company-sponsored trips for team building and strategic planning (e.g., Japan in 2024, Hawaii in 2025).

• Health & Wellness: Subsidized health benefits including Medical, Dental, and Vision insurance; Gym reimbursement.

• Commute & Connectivity: Commute reimbursement; Cell phone service coverage (up to $100/month).

• Professional Development: Professional development stipend for learning and growth; Flexible time off to encourage work-life balance.

• Work Flexibility: Flexible working hours to accommodate personal schedules and optimize productivity.

Working Hours: Flexible working hours are offered, suggesting a focus on output and results rather than strict adherence to a 9-to-5 schedule. A standard full-time role typically implies approximately 40 hours per week, but the flexibility allows for adaptation.

📝 Enhancement Note: The salary range is specific to NYC, reflecting the high cost of living and competitive market. The benefits package is robust, with unique perks like annual offsites and generous stipends, indicating a company that invests in employee well-being and professional growth. The "Flexible working hours" aligns with a modern, results-oriented work culture.

🎯 Team & Company Context

🏢 Company Culture

Industry: Telecommunications & Technology (specifically, a software platform for connectivity). US Mobile is disrupting the traditional mobile carrier model with a modern, app-centric approach.

Company Size: The job description and company data suggest a company in a hypergrowth phase, likely ranging from 50-250 employees, as indicated by its Inc 5000 ranking and venture-backed status. This size implies a dynamic, fast-paced environment where individual contributions are highly visible.

Founded: Founded in 2013, US Mobile has established itself and is now entering a significant growth phase, reinforcing its mission to revolutionize connectivity.

Team Structure:

• Product Design Team: The role is for a Senior Individual Contributor within the product design team. This team will likely collaborate closely with Product Management and Engineering.

• Cross-functional Collaboration: Expect close partnerships with Product Managers to define strategy and requirements, and Engineers to ensure design feasibility and high-quality implementation. Collaboration with marketing will also be key for the new marketing pages.

• Design Ops Focus: The role explicitly calls for defining Design Ops rituals and culture, indicating a proactive effort to formalize and improve team processes.

Methodology:

• User-Centric Design: A strong emphasis on advocating for "real user needs" and creating "easeful experiences."

• Data-Driven Decisions: Encourages using "user data" and strategic reasoning to inform design choices.

• Agile Development: The "fast-paced environment" and "efficient EPD process" suggest an agile or iterative development methodology.

• Brand-Centric Evolution: Significant investment in a rebrand and new brand guidelines indicates a strategic push for a cohesive and modern brand identity.

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

📝 Enhancement Note: US Mobile positions itself as a forward-thinking tech company with a strong emphasis on engineering, user experience, and a diverse, global team. The Forbes recognition as a top startup employer suggests a positive and innovative work environment. The hypergrowth phase means opportunities for impact but also demands adaptability.

📈 Career & Growth Analysis

Operations Career Level: Senior Individual Contributor (Product Designer). This level signifies a high degree of autonomy, expertise, and the ability to mentor others implicitly or explicitly. The role is expected to drive significant design initiatives and influence team processes.

Reporting Structure: While not explicitly stated, a Senior Product Designer typically reports to a Head of Product Design, Design Lead, or potentially a VP of Product/Engineering in a startup environment. They are expected to operate with significant independence on assigned projects.

Operations Impact: The designer's work will directly impact the user experience of US Mobile's core products, including their web and mobile applications, and marketing initiatives. Success in this role means improving user acquisition, retention, engagement, and overall customer satisfaction, which directly contributes to revenue growth and brand perception. The design of new components and the design library will have a long-term impact on development efficiency and product consistency.

Growth Opportunities:

• Design Leadership: Opportunity to shape the design culture and processes by defining Design Ops. This can be a stepping stone to a Design Lead or Manager role in the future.

• Product Ownership: Deep ownership of key product areas (web app, marketing pages, core features) provides significant experience and a strong portfolio piece.

• Skill Specialization: Potential to deepen expertise in specific areas like AI UX, security design, or growth design based on project assignments.

• Mentorship: As a senior member, there's an opportunity to mentor junior designers and contribute to their growth.

• Company Growth: Being part of a hypergrowth company offers exposure to scaling challenges and opportunities for rapid career advancement.

📝 Enhancement Note: The "Senior" title and the responsibilities around Design Ops and building a design library indicate a role with significant growth potential beyond individual contribution, potentially leading towards leadership. The company's hypergrowth stage suggests that opportunities for advancement will likely arise as the company scales.

🌐 Work Environment

Office Type: Hybrid work model. This implies a mix of in-office collaboration and remote work flexibility. The company is based in New York City, suggesting a physical office presence there.

Office Location(s): New York City, New York. This location offers access to a vibrant tech ecosystem and talent pool. Specific office details (e.g., neighborhood, amenities) are not provided but are typical for a NYC tech company.

Workspace Context:

• Collaborative Environment: The emphasis on "mindful EPD collaboration" and "Design Ops: Define rituals and culture" suggests an environment that values teamwork and open communication.

• Tools & Technology: The role requires proficiency in design tools (e.g., Figma, Sketch) and potentially prototyping tools. The company likely provides necessary hardware and software.

• Team Interaction: The hybrid model means opportunities for focused individual work and in-person collaboration during office days, fostering team cohesion and idea exchange.

Work Schedule: Flexible working hours are a key perk, allowing employees to manage their schedules effectively while ensuring core work hours and collaboration needs are met. This flexibility is beneficial for designers who may have peak creative times outside of traditional hours.

📝 Enhancement Note: The hybrid nature of the role in a major city like NYC suggests a modern work environment that balances flexibility with the benefits of in-person interaction. The emphasis on collaboration points to a team that actively seeks input and shared problem-solving.

📄 Application & Portfolio Review Process

Interview Process:

• Initial Screening: A recruiter or hiring manager will likely review applications and portfolios to assess basic qualifications and fit.

• Portfolio Review & Discussion: Expect an in-depth session where you'll present your portfolio, focusing on 2-3 key case studies. Be prepared to discuss your design process, decision-making, challenges, and impact.

• Design Challenge: A take-home or live design exercise may be given to assess your problem-solving skills, design thinking, and ability to work within constraints. This could involve designing a new component or feature.

• Cross-Functional Interviews: Interviews with Product Managers and Engineers to evaluate collaboration style, technical understanding, and ability to articulate design rationale.

• Culture Fit/Hiring Manager Interview: Final interviews to assess alignment with company values, team dynamics, and overall fit for the senior IC role.

Portfolio Review Tips:

• Focus on Impact: For each case study, clearly articulate the problem, your role, your process, the solutions you designed, and the measurable outcomes or impact (e.g., user satisfaction, conversion rates, efficiency gains).

• Showcase Process: Detail your thought process, including user research (even if informal), IA, wireframing, prototyping, user testing, and iteration.

• Highlight Ownership: Emphasize your autonomy and leadership in driving projects from start to finish. Showcase how you've influenced strategy or improved processes.

• Design System/Ops Examples: If you have experience building design libraries or improving design operations, dedicate specific slides or sections to these achievements.

• Conciseness & Clarity: Present your work clearly and concisely. Aim for a narrative that flows logically and highlights your key contributions.

Challenge Preparation:

• Understand the Core Problem: For take-home challenges, thoroughly understand the brief and the user/business problem it aims to solve.

• Prioritize and Scope: In a timed challenge, focus on the most critical aspects. Make informed decisions about what to include and what to defer.

• Articulate Assumptions: Clearly state any assumptions you make about the user, business, or technical constraints.

• Communicate Your Process: Be ready to explain your thought process step-by-step, even in a live session.

📝 Enhancement Note: The emphasis on "autonomously advocate," "strong POV," and "shipping at scale" means interviewers will probe deeply into your decision-making process and your ability to drive projects independently. Be prepared to defend your design choices with data, user insights, or sound strategic reasoning.

🛠 Tools & Technology Stack

Primary Tools:

• Design & Prototyping: Proficiency in industry-standard tools such as Figma (highly probable given modern workflows), Sketch, Adobe Creative Suite (Illustrator, Photoshop), and prototyping tools like InVision or Principle.

• Design Systems: Experience with or ability to build and manage design systems using tools like Zeroheight, Storybook, or within Figma itself.

• Collaboration & Project Management: Familiarity with tools like Jira, Asana, Trello, or Monday.com for tracking tasks and project progress.

Analytics & Reporting:

• User Analytics: Experience using tools like Google Analytics, Mixpanel, Amplitude, or similar platforms to understand user behavior and track feature adoption.

• Data Visualization: Ability to interpret data and potentially create simple dashboards or reports to communicate insights to stakeholders.

CRM & Automation:

• While not a direct CRM role, understanding how design impacts CRM processes (e.g., lead generation forms, customer portals) can be beneficial. Familiarity with how design assets integrate into marketing automation platforms might also be a plus.

• Version Control: Understanding principles of version control for design assets, especially when working with design systems.

📝 Enhancement Note: Figma is the de facto standard for collaborative design in many tech companies, so strong Figma skills are likely a significant advantage. The ability to work with analytics to inform design decisions is crucial for a data-aware product designer.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and serving user needs, ensuring a delightful and "easeful" experience.

• Excellence & High Bar: Maintaining a high standard for visual polish, IA, and UX across all product touchpoints.

• Collaboration & Transparency: Fostering "mindful EPD collaboration" and open communication to drive collective success.

• Efficiency & Velocity: Striving for an "efficient EPD process" and using Design Ops to increase team velocity.

• Innovation & Disruption: As a company revolutionizing connectivity, a forward-thinking mindset and willingness to challenge the status quo are likely valued.

Collaboration Style:

• Cross-Functional Integration: Expect a highly collaborative approach, working closely with Product Managers and Engineers to co-create solutions.

• Feedback Culture: A culture that encourages constructive feedback to improve designs and processes.

• Knowledge Sharing: Practices that promote sharing best practices, learnings, and design insights across the team.

• Data-Informed: Decisions are supported by user data, business strategy, and reasoned arguments, rather than solely subjective opinions.

📝 Enhancement Note: The company's emphasis on Forbes recognition and diverse backgrounds suggests a culture that values its people and fosters an inclusive environment. The "mindful EPD collaboration" points to a desire for thoughtful, effective teamwork.

⚡ Challenges & Growth Opportunities

Challenges:

• Building from Scratch: Establishing a new design library and refining Design Ops processes from a potentially nascent stage requires initiative and strategic planning.

• Balancing Speed and Quality: Operating in a "fast-paced environment" while maintaining a "high bar" for design quality can be challenging.

• Working with Incomplete Documentation: The mention of an "incomplete and undocumented design library" means needing to navigate ambiguity and build structure.

• Cross-functional Alignment: Ensuring consistent design vision and execution across Product, Engineering, and Marketing teams requires strong communication and negotiation skills.

Learning & Development Opportunities:

• Design System Leadership: Opportunity to become a subject matter expert in design systems and scalability.

• Process Improvement: Directly contribute to and refine the product development lifecycle within the design team.

• Strategic Influence: Gain experience in influencing product strategy and driving business outcomes through design.

• Exposure to Diverse Products: Work on a variety of product areas (AI, security, growth, core features) offering broad experience.

• Industry Trends: Stay abreast of evolving connectivity technologies (5G, IoT) and their design implications.

📝 Enhancement Note: The challenges presented are directly tied to the role's responsibilities: building foundational elements for the design team and ensuring high-quality output in a dynamic setting. The growth opportunities are aligned with taking on these challenges and demonstrating leadership.

💡 Interview Preparation

Strategy Questions:

• "Describe a time you had to build a design system or significant component library from scratch. What was your process, and what were the key challenges?" (Focus on process, scalability, and collaboration with engineering.)

• "How do you balance advocating for user needs with business objectives and technical constraints in a fast-paced startup? Provide an example." (Highlight your strategic thinking, negotiation skills, and ability to make trade-offs.)

Company & Culture Questions:

• "What excites you about US Mobile's mission to revolutionize connectivity, and how do you see design playing a role?" (Demonstrate research and genuine interest.)

• "How do you ensure a 'mindful EPD collaboration' and maintain a high bar for quality in a startup environment?" (Discuss your approach to teamwork, feedback, and quality control.)

Portfolio Presentation Strategy:

• Tell a Story: For each case study, frame it as a narrative: the problem, your journey to the solution, and the impact.

• Quantify Impact: Wherever possible, use numbers (e.g., percentage increase in conversion, reduction in support tickets, improvement in task completion time). If direct metrics aren't available, articulate the intended impact and how you would measure it.

• Show, Don't Just Tell: Use visuals effectively – sketches, wireframes, user flows, high-fidelity mockups, and even live prototypes if possible.

• Highlight Your Role: Clearly define your specific contributions, especially if working in a team. Use "I" when discussing your individual actions and "we" when discussing team efforts.

• Be Prepared for Deep Dives: Anticipate questions about your rationale for specific design choices, alternative solutions you considered, and how you handled feedback or disagreements.

📝 Enhancement Note: Expect interviewers to probe your ability to operate autonomously and your strategic thinking. Be ready to discuss not just what you designed, but why you designed it that way, and how it impacted the business and users.

📌 Application Steps

To apply for this Senior Product Designer position at US Mobile:

• Submit Your Application: Navigate to the provided Lever job link and submit your resume and any requested materials.

• Portfolio Customization: Ensure your portfolio prominently features 2-3 detailed case studies that highlight your experience with end-to-end product design for web/mobile apps, component design, and ideally, experience with design systems or improving design processes. Tailor your portfolio to showcase work relevant to consumer-facing tech or fintech.

• Resume Optimization: Update your resume to clearly articulate your 6+ years of experience in fast-paced tech startups, emphasizing achievements related to shipping scalable products, driving design quality, and influencing team processes. Use keywords from the job description like "Information Architecture," "User Experience," "Visual Design," "Design Ops," and "consumer-facing technology."

• Prepare Your Narrative: Practice presenting your portfolio case studies concisely and compellingly. Be ready to discuss your design process, strategic thinking, and how you've driven impact. Prepare thoughtful questions about the company, team, and challenges.

• Research US Mobile: Deeply understand US Mobile's mission, product, recent achievements (like Inc 5000 ranking), and target audience. Consider how their brand re-imagining and focus on connectivity revolution can be supported by strong design.

⚠️ 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.