Product Designer, B2B SaaS

📍 Job Overview

Job Title: Product Designer, B2B SaaS

Company: T-Mobile

Location: Philadelphia, Pennsylvania, United States

Job Type: Full time

Category: Product Design / UX/UI

Date Posted: August 20, 2026

Experience Level: 2-5 Years

Remote Status: On-site

🚀 Role Summary

• Design and develop user-centric B2B SaaS enterprise software solutions for T-Mobile Advertising Solutions (T-Ads), focusing on intuitive and consistent user experiences.

• Drive the end-to-end product design lifecycle, from user research and discovery to wireframing, prototyping, and final UI design, ensuring alignment with business goals and technical feasibility.

• Collaborate closely with Product Managers, Engineers, and Lead Designers to translate complex user needs and business requirements into actionable design specifications and visual assets.

• Contribute to and advocate for the evolving design system, ensuring adherence to established patterns, principles, and guidelines for a cohesive product ecosystem.

📝 Enhancement Note: While the role is titled "Product Designer," the responsibilities and requirements strongly indicate a focus on UX/UI design within a B2B SaaS context. The emphasis on user flows, wireframing, prototyping, and UI design, coupled with Figma proficiency and accessibility knowledge, aligns with core UX/UI responsibilities. The "B2B SaaS" and "enterprise software" aspects highlight the complexity and specific user needs associated with business-oriented applications. The integration with T-Mobile Advertising Solutions suggests a domain specific to digital advertising technology.

📈 Primary Responsibilities

• Lead the end-to-end design process for B2B SaaS products, encompassing user research, information architecture, user flow mapping, wireframing, interactive prototyping, and high-fidelity visual design.

• Develop and maintain comprehensive design documentation, including user personas, journey maps, wireframes, and interactive prototypes, to clearly communicate design intent and facilitate stakeholder understanding.

• Actively participate in user research initiatives, including conducting qualitative and quantitative studies, to gather insights, identify pain points, and validate design decisions with internal and external users.

• Partner with Product Managers and Engineering teams to refine product requirements, ensuring that design solutions effectively balance user needs, business objectives, and technical constraints.

• Champion the company's design system by contributing to and applying pattern libraries, design principles, and style guides to ensure a consistent, cohesive, and branded user experience across the T-Ads product suite.

• Ensure all designs adhere to accessibility standards (WCAG) and best practices, creating inclusive and usable experiences for a diverse user base.

• Present and articulate design rationale and decisions clearly and persuasively to cross-functional teams, leadership, and other stakeholders.

• Contribute to the continuous improvement of design processes, tools, and methodologies within the product team.

📝 Enhancement Note: The raw job description provided specific responsibilities. These have been expanded and detailed to emphasize the operational aspects of design, such as documentation, research validation, and cross-functional collaboration, which are crucial for operations-minded candidates. The inclusion of "design system," "accessibility guidelines (WCAG)," and "enterprise/B2B software design" are highlighted as critical operational components of modern product design.

🎓 Skills & Qualifications

Education:

• Bachelor's Degree OR a combination of education and relevant work experience deemed equivalent.

• Preferred areas of study include Computer Science, Design, Human-Computer Interaction, or a related field. Experience:

• 2-4 years of professional working experience as a Product Designer, with a strong focus on B2B SaaS or complex enterprise software. Required Skills:

• User Experience (UX) Design: Comprehensive understanding and practical application of end-to-end UX design principles, including discovery, information architecture (IA), interaction design, and visual design.

• Prototyping: Proven ability to build interactive prototypes using industry-standard tools to effectively communicate design intent, test usability, and gather feedback.

• User Flows & Workflow Mapping: Skill in documenting and mapping complex user journeys and business workflows to inform design decisions and support development efforts.

• Wireframing: Proficiency in creating clear and effective wireframes to define structure, layout, and interaction patterns for digital products.

• User Interface (UI) Design: Expertise in applying UI design patterns, visual hierarchy, and interaction principles to craft intuitive and aesthetically pleasing visual solutions.

• Design Thinking & User-Centricity: Demonstrated application of a user-centered, iterative design process to identify problems, explore solutions, and optimize user experiences.

• Communication & Presentation: Excellent verbal and written communication skills, with the ability to clearly articulate and defend design decisions to diverse audiences, including technical and business stakeholders.

• Project Management & Organization: Strong organizational skills with the capacity to prioritize tasks, manage multiple concurrent design workstreams, and adapt to evolving deadlines in a fast-paced environment.

• Figma Proficiency: Advanced working knowledge of Figma for UI design, prototyping, and collaboration.

• Accessibility Standards: Solid understanding of accessibility guidelines, including WCAG (Web Content Accessibility Guidelines), and the ability to integrate accessibility best practices into design solutions.

Preferred Skills:

• Enterprise/B2B Software Design: Direct experience designing for complex workflows, operator tools, dashboards, or data-intensive interfaces within a business context.

• Information Architecture (IA): Advanced skills in organizing and structuring content for usability and navigation.

• Visual Design & Branding: A strong eye for visual aesthetics and the ability to maintain brand consistency.

• Agile/Scrum Methodologies: Familiarity with working within Agile development frameworks.

📝 Enhancement Note: The required and preferred skills have been detailed and contextualized for a product design role within a B2B SaaS environment. Keywords like "User Experience (UX) Design," "User Interface (UI) Design," "Figma," "Accessibility Standards (WCAG)," and "Enterprise/B2B Software Design" are emphasized as critical for operations-minded candidates to recognize the technical depth required.

📊 Process & Systems Portfolio Requirements

Portfolio Essentials:

• A curated portfolio showcasing a range of B2B SaaS or enterprise software design projects, demonstrating your ability to tackle complex user problems.

• Case studies that clearly articulate the problem statement, your design process (discovery, ideation, iteration, testing), the solutions you implemented, and the measurable impact of your designs.

• Emphasis on demonstrating your understanding of user flows, wireframing, prototyping, and UI design within a business context.

• Examples that highlight your experience with design systems, pattern libraries, and maintaining design consistency across product suites.

• Evidence of your approach to user research, including methods used and how insights informed your design decisions. Process Documentation:

• Showcase examples of how you document user flows, wireframes, and interaction specifications to facilitate clear communication with engineering and product teams.

• Include samples of how you contribute to or utilize design system documentation, ensuring scalability and consistency.

• Present how you approach design critiques and incorporate feedback to iterate on designs.

📝 Enhancement Note: This section is critical for operations-focused roles. The emphasis is on demonstrating a structured, process-driven approach to design. Candidates are guided to present not just final designs, but the methodology, documentation, and impact. This aligns with operations' focus on efficiency, repeatability, and measurable outcomes.

💵 Compensation & Benefits

Salary Range:

• National Base Pay Range: $76,000 - $137,200 per year

• Total Target Cash Earnings Opportunity: $83,600 - $150,920 per year (This includes base salary and target annual incentive opportunity)

Explanation of Range:

The provided salary ranges reflect T-Mobile's compensation strategy for this role, considering factors such as experience level, qualifications, and market data for Product Designers in the B2B SaaS space. The "Total Target Cash Earnings Opportunity" incorporates potential annual incentives, common in corporate roles, aiming to align employee rewards with individual and company performance. Actual compensation will be determined by hiring location, candidate qualifications, and experience, with a specific pay lookup tool provided by T-Mobile for location-based adjustments.

Benefits:

• Comprehensive Medical, Dental, and Vision Insurance

• 401(k) Retirement Plan

• Employee Stock Grants

• Employee Stock Purchase Plan (ESPP)

• Generous Paid Time Off (PTO) and approximately 12 Paid Holidays annually

• Paid Parental and Family Leave

• Family Building Benefits, Back-up Care, and Enhanced Family Support

• Childcare Subsidy

• Tuition Assistance and College Coaching

• Short-term and Long-term Disability Insurance

• Voluntary AD&D, Accident, Life, and Long-term Care Insurance

• Mobile Service & Home Internet Discounts

• Pet Insurance

• Access to Commuter and Transit Programs Working Hours:

• Standard full-time role, typically 40 hours per week.

• While a standard schedule is expected, T-Mobile's culture often emphasizes flexibility where operational needs allow, particularly for roles that require deep focus and iterative design work.

📝 Enhancement Note: The salary information was directly provided. The explanation has been expanded to clarify the components of "Total Target Cash Earnings Opportunity" and the rationale behind the base pay range, emphasizing its variability based on location and experience. Benefits are detailed to showcase T-Mobile's comprehensive package, relevant for attracting top talent.

🎯 Team & Company Context

🏢 Company Culture

Industry: Telecommunications, Technology, Advertising Solutions

Company Size: Large Enterprise (T-Mobile is a major global telecommunications provider)

Founded: 1994 (T-Mobile US)

Team Structure:

• The Product Design team operates within the T-Mobile Advertising Solutions (T-Ads) division, which is focused on developing and managing advertising platforms.

• You will be part of a user-centric design team, likely reporting to a Lead Designer or Design Manager.

• The team fosters close collaboration with Product Management, Engineering, Marketing, and Business Stakeholders to drive product strategy and execution.

• Expect a matrixed environment where designers contribute to specific product initiatives while also adhering to broader company design standards. Methodology:

• T-Mobile emphasizes a culture of innovation, customer obsession, and a "challenger" mindset ("Un-carrier").

• The T-Ads team likely employs Agile methodologies for product development, requiring iterative design processes and close collaboration with engineering sprints.

• Data-driven decision-making is paramount, with an expectation to leverage user research, analytics, and A/B testing to inform design choices.

• Emphasis on developing and maintaining a robust design system to ensure consistency and efficiency across a complex product portfolio.

Company Website: https://www.t-mobile.com/

📝 Enhancement Note: This section leverages general knowledge about T-Mobile's corporate culture and the typical structure of design teams within large tech organizations. The "Un-carrier" ethos is highlighted as a key cultural differentiator. The integration of T-Ads into T-Mobile suggests a focus on leveraging telecom data and infrastructure for advertising solutions, a key operational aspect of this niche.

📈 Career & Growth Analysis

Operations Career Level: Mid-Level Product Designer

This role is positioned for a designer with 2-4 years of experience, indicating a step beyond entry-level. The responsibilities involve contributing to the end-to-end design lifecycle, collaborating with cross-functional teams, and contributing to a design system. This is a crucial stage for developing expertise in B2B SaaS design and UX strategy.

Reporting Structure:

You will likely report to a Lead Designer or Design Manager within the T-Mobile Advertising Solutions (T-Ads) product team. Collaboration will extend to Product Managers, Engineers, and potentially other business stakeholders involved in the DOOH advertising marketplace.

Operations Impact:

As a Product Designer within T-Ads, your work will directly influence the usability and effectiveness of enterprise software used to manage digital out-of-home advertising. This impacts the efficiency of internal operations, the ability of advertisers to leverage T-Mobile's advertising solutions, and ultimately, the revenue generated by the T-Ads division. Your designs will shape how users interact with complex data and workflows, driving operational efficiency and business outcomes.

Growth Opportunities:

• Skill Specialization: Deepen expertise in B2B SaaS design, user research methodologies, and accessibility compliance.

• Leadership Development: Potential to grow into a Senior Product Designer role, leading design initiatives, mentoring junior designers, and contributing more strategically to the design system and product vision.

• Domain Expertise: Develop specialized knowledge in the digital out-of-home (DOOH) advertising technology sector, a growing and dynamic field.

• Cross-Functional Exposure: Gain experience working across various departments, enhancing your understanding of business operations and product strategy.

• Design System Contribution: Opportunity to play a significant role in evolving and scaling T-Mobile's design system for enterprise products.

📝 Enhancement Note: This analysis focuses on the career trajectory and impact relevant to a product designer, framing it within an operational context. The emphasis is on how design skills translate to business outcomes and operational efficiency, aligning with the expectations of operations-minded professionals.

🌐 Work Environment

Office Type: On-site role, indicating a traditional office setting.

Office Location(s): Philadelphia, Pennsylvania, with a potential secondary consideration for New York.

Workspace Context:

• Collaborative Environment: The role requires significant interaction with Product Managers, Engineers, and Lead Designers, suggesting a collaborative workspace designed for teamwork and knowledge sharing. Expect regular design reviews, brainstorming sessions, and cross-functional meetings.

• Tools and Technology: Access to industry-standard design software (primarily Figma), collaboration tools, and potentially internal T-Mobile platforms for project management and communication.

• Operations Focus: The work environment will likely support deep work for design tasks while also facilitating quick communication and feedback loops essential for Agile development and operational agility.

Work Schedule:

• The standard work schedule is expected to be approximately 40 hours per week.

• While on-site, T-Mobile often promotes a culture that balances structured work with flexibility, allowing for focused design time. However, the on-site requirement means adherence to set office hours and team availability.

📝 Enhancement Note: This section contextualizes the on-site requirement and its implications for collaboration and workflow. It highlights how the physical workspace supports the operational needs of a design role within a large enterprise.

📄 Application & Portfolio Review Process

Interview Process:

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

2. Hiring Manager Interview: Conversation with the hiring manager to delve deeper into your experience, design philosophy, and suitability for the team.

3. Portfolio Review & Design Challenge: A key stage where you'll present your portfolio, discuss your design process, and potentially complete a design exercise or case study relevant to B2B SaaS challenges.

4. Cross-Functional Interviews: Meetings with Product Managers and Engineers to assess collaboration skills, understanding of technical constraints, and ability to communicate design effectively.

5. Final Interview: Potentially with a senior design leader or executive for final approval.

Portfolio Review Tips:

• Focus on B2B SaaS: Curate projects that specifically showcase your experience with complex workflows, enterprise applications, or data-heavy interfaces. Highlight how you translated business needs into user-friendly solutions.

• Structure Your Case Studies: For each project, clearly outline the problem, your role, the process (research, ideation, wireframing, prototyping, testing), the solution, and the impact (quantifiable if possible).

• Demonstrate Figma Proficiency: Be ready to walk through your Figma files, showcasing your use of components, auto layout, prototyping features, and collaboration tools.

• Highlight Design System Contribution: If you have experience with design systems, be prepared to discuss how you've contributed to, utilized, or advocated for them.

• Explain Your Rationale: Be ready to articulate why you made certain design decisions, linking them back to user needs, business goals, and design principles.

Challenge Preparation:

• Understand the Domain: Research T-Mobile Advertising Solutions, the DOOH advertising market, and common challenges faced by users of such platforms.

• Practice Design Exercises: Be prepared for a typical product design challenge that might involve analyzing a problem, proposing solutions, and sketching out UI concepts within a limited timeframe.

• Focus on Process: For any challenge, emphasize your thought process, how you'd approach research, and how you'd validate your ideas, rather than just presenting a polished final design.

📝 Enhancement Note: This section provides actionable advice tailored to a product design role. The emphasis on "B2B SaaS," "design system," "Figma," and "process" aligns with operational efficiency and structured problem-solving, making it valuable for operations-minded candidates.

🛠 Tools & Technology Stack

Primary Design Tools:

• Figma: Advanced proficiency required for UI design, wireframing, prototyping, and collaboration. This is the core tool for the role.

• Prototyping Tools (within Figma or standalone): Ability to create interactive prototypes to simulate user flows and test interactions.

• Wireframing Tools (often integrated into Figma): For creating low-fidelity layouts and structural designs.

Collaboration & Project Management:

• Jira/Confluence (Likely): Common tools for tracking development tasks, managing sprints, and documenting project details, essential for cross-functional collaboration.

• Slack/Microsoft Teams (Likely): For real-time communication and team discussions.

• Google Workspace/Microsoft 365: Standard office productivity suite.

Research & Analytics (Supportive):

• User Research Platforms (e.g., UserTesting, Lookback): May be used for remote usability testing and qualitative feedback.

• Analytics Tools (e.g., Google Analytics, Mixpanel, Amplitude): While not a primary design tool, understanding how to interpret user data from these platforms to inform design is beneficial.

Design System Management:

• Figma Libraries: For managing and distributing UI components and styles.

• Zeplin/Abstract (Potentially): Tools for design handoff and version control, though Figma's built-in features often suffice.

📝 Enhancement Note: This section details the expected technology stack, with a strong emphasis on Figma as the primary tool. Understanding these tools is crucial for operations professionals who value proficiency in the technical infrastructure that supports product development.

👥 Team Culture & Values

Operations Values:

• User-Centricity: A deep commitment to understanding and serving the needs of B2B users, ensuring that software is intuitive, efficient, and effective.

• Collaboration: A strong emphasis on working effectively with Product Management, Engineering, and other stakeholders to achieve shared goals.

• Data-Driven Decision Making: Utilizing user research, analytics, and testing to inform design choices and measure impact, fostering a culture of continuous improvement.

• Innovation & Iteration: Embracing an iterative design process, being open to feedback, and continuously seeking ways to enhance user experience and product functionality.

• Consistency & Scalability: Adhering to and contributing to design systems and best practices to ensure a cohesive and scalable product experience across the T-Ads ecosystem.

Collaboration Style:

• Cross-Functional Integration: Designers are expected to be integrated members of product teams, working closely with PMs and Engineers throughout the development lifecycle.

• Open Communication: Encouraging direct and constructive feedback through design critiques, team meetings, and informal discussions.

• Shared Ownership: Fostering a sense of collective responsibility for the product's success, where design is seen as a critical partner in achieving business objectives.

• Process Improvement Focus: A willingness to discuss and refine design and development processes to enhance efficiency and outcomes.

📝 Enhancement Note: This section translates T-Mobile's known values and the nature of design work into specific operational values and collaboration styles relevant to a product designer role. This helps candidates understand how their work fits into the broader organizational context.

⚡ Challenges & Growth Opportunities

Challenges:

• Balancing User Needs with Business Goals: Effectively navigating the complexities of enterprise software where user requirements must be balanced with aggressive business objectives and technical constraints.

• Designing for Complex Workflows: Creating intuitive interfaces for intricate, data-heavy B2B workflows that may have steep learning curves.

• Maintaining Design Consistency: Ensuring a cohesive user experience across a growing product suite and multiple platforms, especially within a large organization.

• Adapting to Evolving Technology: Staying current with advancements in design tools, methodologies, and B2B SaaS trends within the advertising technology space.

• Cross-Functional Alignment: Effectively communicating and advocating for design decisions to diverse stakeholders with varying priorities and technical understanding.

Learning & Development Opportunities:

• Specialized B2B SaaS Training: Opportunities to attend workshops or courses focused on enterprise software design principles and best practices.

• Design System Advancement: Contribute to and learn from the evolution of T-Mobile's enterprise design system, gaining expertise in scalable design solutions.

• Industry Exposure: Gain deep insights into the digital out-of-home (DOOH) advertising technology market, a rapidly evolving sector.

• Mentorship: Access to senior designers and product leaders for guidance and career development.

• Potential for Leadership: A clear path to progress into Senior Product Designer roles, taking on greater responsibility for product strategy and team leadership.

📝 Enhancement Note: This section anticipates potential challenges and frames them as opportunities for growth, a common theme in operations and product development roles where problem-solving is key.

💡 Interview Preparation

Strategy Questions:

• "Describe a complex B2B workflow you designed. What were the key challenges, and how did your design address them?" (Focus on process, problem-solving, and impact.)

• "How do you approach balancing competing requirements from Product Management, Engineering, and user feedback?" (Highlight your collaboration and negotiation skills.)

• "Walk us through your process for contributing to or utilizing a design system. What are the benefits and challenges?" (Demonstrate understanding of scalability and consistency.)

• "How do you ensure your designs are accessible and inclusive? Provide an example." (Showcase knowledge of WCAG and user empathy.)

• "Imagine you're designing a dashboard for ad campaign performance. What key metrics would you prioritize and why?" (Assess your ability to think critically about data visualization and user needs in a business context.) Company & Culture Questions:

• "What interests you about T-Mobile Advertising Solutions and the DOOH advertising space?" (Research the company's advertising arm and the industry.)

• "How do you align your design philosophy with a company's stated values, such as T-Mobile's 'Un-carrier' approach?" (Connect your approach to their culture.)

• "Describe a time you disagreed with a stakeholder about a design decision. How did you handle it?" (Assess conflict resolution and communication.) Portfolio Presentation Strategy:

• Tell a Story: For each project, guide the interviewer through your thought process, emphasizing the "why" behind your decisions.

• Showcase Your Figma Skills: Be prepared to navigate your Figma files, demonstrating component usage, prototyping, and collaborative features.

• Quantify Impact: Whenever possible, present metrics that show the positive outcome of your design solutions (e.g., increased conversion rates, reduced task completion time, improved user satisfaction).

• Focus on B2B Relevance: Tailor your project selection and discussion to highlight experiences most relevant to enterprise SaaS and complex business applications.

📝 Enhancement Note: This preparation guide is designed to help operations-minded candidates think about interview questions through the lens of process, impact, and strategic alignment, rather than just aesthetics.

📌 Application Steps

To apply for this Product Designer position:

• Submit your application through the provided Workday link: https://tmobile.wd1.myworkdayjobs.com/External/job/Philadelphia-Pennsylvania/Product-Designer--B2B-SaaS_REQ362373

• Tailor Your Resume: Ensure your resume highlights experience with B2B SaaS, enterprise software, Figma, UX/UI design processes, and any relevant quantitative results. Use keywords from the job description.

• Curate Your Portfolio: Select 3-5 of your strongest B2B-focused projects. For each, clearly articulate the problem, your process, your solutions, and the impact. Ensure your Figma work is easily accessible and well-organized.

• Prepare Your "Why": Be ready to articulate why you are interested in T-Mobile, T-Mobile Advertising Solutions, and this specific Product Designer role. Research the company and the DOOH advertising industry.

• Practice Your Presentation: Rehearse presenting your portfolio case studies, focusing on clarity, conciseness, and showcasing your design rationale and problem-solving skills.

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

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