Sr. Product Designer - Mobile UI & Interaction (AI)

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Be the center of product innovation and design at T-Mobile. As a critical leader on the Product, Experience Design & Innovation team, the Senior Product Designer for Emerging Technologies will partner with the AI product and development teams to reimagine our digital products across the enterprise. The successful candidate will be responsible for designing human-centered experiences that integrate AI capabilities, ensuring they are intuitive, ethical, and valuable for users. The role requires a mix of UX design, UI design, interaction design, AI understanding, experience with Apps and strategic thinking.

Job Responsibilities :

Designs and delivers intuitive, visually compelling interactive interfaces that reflect the brand and meet accessibility standards, with a strong focus on UI quality, visual design, and interaction craft.

Demonstrates a keen eye for detail across layout, hierarchy, motion, and typography, producing high-quality work that elevates product experiences and design consistency.

Applies and contributes to design systems, ensuring scalable, elegant solutions across AI-powered and traditional product surfaces.

Develops sketches, journey maps, workflow diagrams, wireframes, high-fidelity prototypes, and interaction flows to visualize complex AI behaviors and adaptive user experiences.

Leads end-to-end prototyping efforts using tools like Figma, Protopie, Voiceflow, or custom solutions - especially for conversational, voice, or generative interfaces.

Partners closely with Principal Designer, engineering and product teams throughout the project lifecycle to validate AI and dynamic system behaviors against design intent, providing actionable feedback during design QA cycles.

Collaborates with cross-functional teams to understand business goals, technical constraints, user needs, and emerging AI capabilities.

Works alongside User Researchers and fellow Designers to ensure cross-application design consistency and to solve ecosystem-wide UX challenges.

Partners closely with engineering and product teams throughout the project lifecycle - validating AI or dynamic system behaviors against design intent, and providing clear, actionable feedback during design QA cycles.

AI Strategy & Collaboration

Partner with the AI leads to drive the UX Roadmap and AI strategy framework through partnership with key leaders and other Principal Designers to ensure cohesive product experiences across lines of businesses (LOBs) and overarching AI Strategy.

Collaborates closely with a Principal Designer and other senior team members, incorporating feedback with a growth mindset and a focus on shared outcomes.

Collaborates with Product Managers, Engineers, and AI Researchers to ground AI features in user needs and expectations.

Advocates for ethical AI use, ensuring transparency, inclusivity, and fairness in AI-driven experiences.

Acts as a design thinking evangelist - demonstrating how thoughtful, inclusive design fuels more impactful, trustworthy AI products.

Influences key product and business stakeholders with strong visual storytelling, data-informed insights, and customer-centered rationale.

AI Literacy & Emerging Technologies

Stays current on emerging AI technologies (e.g., LLMs, personalization, generative UIs, automation) and applies them thoughtfully in product design.

Identifies opportunities to integrate AI in ways that enhance usability, relevance, and user delight.

Designs for AI-specific challenges, including handling uncertainty, confidence thresholds, edge cases, and system transparency.

Education and Work Experience :

Bachelor's degree in human-centered design, computer science, HCI, psychology, or equivalent professional experience.

4-7 years of experience in UX, UI, product design, or digital strategy roles, with a strong cross-functional collaboration track record.

Demonstrated experience designing and shipping high-quality digital products that include AI or adaptive behaviors.

Demonstrated expertise in advanced, non-linear interaction design , with a strong attention to detail across micro interactions, motion, and fluid transitions-shaping interfaces that feel intuitive, expressive, and alive.

Exceptional portfolio showcasing visual design excellence, thoughtful interaction design, and a command of UI and prototyping best practices.

Proficiency in Figma and prototyping tools (e.g., Protopie, Framer, Voiceflow, or similar); experience with conversational and multi-modal UI design preferred

Strong understanding of and experience applying design systems in production environments.

Ability to lead highly complex, technical projects in fast-paced, cross-functional environments.

Excellent communication, presentation, and storytelling skills - able to influence and align with technical and executive stakeholders.

Receptive to feedback and able to iterate quickly; thrives in collaborative environments and values team success.

Comfortable navigating ambiguity and driving clarity through design.

#LI-Corporate

At least 18 years of age

Legally authorized to work in the United States

Travel :

Travel Required (Yes / No) : Yes

DOT Regulated :

DOT Regulated Position (Yes / No) : No

Safety Sensitive Position (Yes / No) : No

Base Pay Range : $97,300 - $175,500 Corporate Bonus Target : 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate's actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and / or individual performance and which is set at a percentage of the employee's eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and / or team performance. To find the pay range for this role based on hiring location, click here.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - paid parental and family leave, family building benefits, back-up care, enhanced family support, childcare subsidy, tuition assistance, college coaching, short- and long-term disability, voluntary AD&D coverage, voluntary accident coverage, voluntary life insurance, voluntary disability insurance, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile's amazing benefits, check out

www.t-mobilebenefits.com

Never stop growing!

As part of the T-Mobile team, you know the Un-carrier doesn't have a corporate ladder-it's more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it's that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you're living our values while investing in your career growth-and we applaud it. You're unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

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