Sr Design System Technologist

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Job Overview
This role builds and evolves the AI-powered design system that supports digital products across Mint Mobile & Ultra Mobiles ecosystem improving quality scalability and consistency through user-centered system design and intelligent automation. The role uses AI-driven workflows to accelerate component creation streamline maintenance of component libraries design tokens and documentation and improve the efficiency of multi-functional product delivery. Working closely with designers engineers and product partners this position helps drive adoption of cohesive scalable experiences while advancing AI-enabled design operations across the organization. This role also contributes to defining guidelines for integrating AI into design and development workflows helping teams work more efficiently while maintaining high standards for usability accessibility and brand consistency. Success in this role requires a strong balance of systems thinking collaboration innovation and continuous exploration of emerging AI technologies that enhance the product design lifecycle.

Job Responsibilities:

• UseAItools to acceleratecomponentgeneration streamline documentation and workflows create interactive prototypes to test and iterate on concepts and deliver functionalcomponentsolutions to engineering for faster implementation.
• Lead the development and refinement of design tokens reusable components UI patterns andcomponentarchitecture to ensure cross-platform design-system consistency governance and innovative digital experiences across platforms.
• Partner with designers engineers Experience Design teams Engineering Enablement Lanes and the Design System Manager to understand requirements technical constraints and implementation workflows while fostering collaboration and streamlining communication between design and engineering teams.
• Research build and contribute to theinitialfront-end implementation of complex UI patterns components and interactive experiences; collaborate with engineering teams to transform prototypes into functional production-ready solutions across applications and teams.
• Drive design system adoption consistency innovation and implementation workflows; build Figma plugins and contribution processes to improve designer and developer efficiency while promoting forward-thinking approaches to digital capabilities and user experiences.
• Create technical documentation for tokens components patterns and usage guidelines; host workshops and training sessions to educate designers and engineers on emerging technologies AI capabilities Figma component-building guidelines and scalable contribution workflows. Present complex solutions to technical and non-technical audiences while deliveringaccurate high-quality work on schedule.

Education and Work Experience:

• BachelorsDegree or Certification in Computer Science Web Development or Software Engineering plus 5 years of related work experience OR Advanced degree with 3 years of related experience. Other acceptable areas of study include DigitalDesign Human-Computer Interaction Design
• 4-7 years. Relatedexperiencein Interaction Design or Front-End development creating innovative solutions for ecommerce websites and native apps.

Knowledge Skills and Abilities:

• High Proficiency in using AI tools like Claude and Codex to create hi-fidelity interactive prototypes and complex UI patterns.
• Highproficiencyin front-end development including writing reviewing and auditing code tovalidateand optimize AI-generated design system libraries andcomponentimplementations.
• Strong understanding of design principles modern UI patterns elements interactions responsive webdesignand accessibility standards.
• Design and develop adaptable interfaces and components that deliver consistent accessible and optimized user experiences across devices screen sizes and platforms.
• Create modular reusablecomponentsystems and patterns that support scalability maintainability and efficient collaboration across design and engineering teams.
• Expertisein Figma HTML CSS JavaScript React and Storybook.
• Excellent communication skills with the ability to verbally articulate technical details and bridge the communication gap between designers and engineers.
• Strong collaboration skills with the ability to work closely with designers and engineers.

Licenses and Certifications:

• 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: $97300 - $175500

Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidates 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 employees 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 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 dont 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-Mobiles amazing benefits check out.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre 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.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process please let us know by emailing or calling 1-. Please note this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.