Senior Product Designer

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package – this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That’s how we’re UNSTOPPABLE for our employees!

We’re looking for an experienced Product Designer to help shape the enterprise software that powers the world’s largest digital out‑of‑home (DOOH) advertising marketplace, now part of T-Mobile Advertising Solutions (T‑Ads). This user‑centric team member will drive the design vision while balancing speed and business potential. You’ll strategically uncover user needs, map workflows, and translate insights into intuitive product experiences. The role is involved in all aspects of the product development lifecycle and has ownership of the corresponding design functions.

Reporting to the Head of Product Design, you’ll partner with Product Managers, Engineers, and business stakeholders to create intuitive, consistent experiences that empower our users to achieve their goals and advance business outcomes.

• Own the end‑to‑end design lifecycle, including discovery, produce user flows, wireframes, high‑fidelity prototypes, and design guidelines to communicate user experience concepts with minimal oversight.
• Work cross functionally with product and engineering teams to refine and negotiate requirements, balancing customer needs, business goals, and technical feasibility.
• Conduct qualitative and quantitative research independently, including regular engagement with internal and external users to surface pain points and validate solutions.
• Contribute to and help evolve the design system and principles, guidelines, and pattern library to ensure consistency across the T‑Ads product ecosystem.
• Also responsible for other duties/projects as assigned by business management as needed.

• Bachelor’s Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)
• Acceptable areas of study include UX, HCI, Computer Science, Engineering or a related field (Required)
• 4-7 years related working experience. Must provide a portfolio or work samples to be considered (Required)

• User Experience Design – End‑to‑end design including discovery, IA, interaction design, and visual design (Required)
• Communication – Excellent verbal and written communication; ability to articulate and defend design decisions (Required)
• Project Management – Strong organizational skills with the ability to prioritize and balance multiple concurrent design work streams against shifting deadlines (Required)
• User Research – Demonstrated ability to plan and conduct qualitative and quantitative research independently (Required)
• Design Systems and UI Frameworks – Experience contributing to and maintaining design systems and pattern libraries and working knowledge of common UI frameworks and front‑end constraints (Required)

• At least 18 years of age
• Legally authorized to work in the United States

Travel Required:

Yes

DOT Regulated Position:
No

Safety Sensitive Position:
No

Base Pay Range: $97,300 - $175,500

Corporate Bonus Target: 15%

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…