Senior Design System Technologist

T-Mobile

. Use AI tools to accelerate component generation, streamline documentation and workflows, create interactive prototypes, and deliver functional component solutions to engineering .

Posted 10/9/2026full-timeUnited StatesSenior💰 $97,300 - $175,500 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in Front-End Development, including proficiency in HTML, CSS, JavaScript, and Figma, while effectively collaborating with cross-functional teams to create and implement innovative UI patterns and design systems. Strong communication skills are essential for articulating complex technical details to diverse audiences.

Highest-signal resume keywords

Front-End DevelopmentFigma ExpertiseAI Tools ProficiencyInteraction DesignDesign System Implementation

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

HTMLCSSJavaScriptReactStorybookAI ToolsDesign PrinciplesResponsive Web DesignAccessibility StandardsComponent Architecture

Soft Skills

Excellent CommunicationStrong Collaboration

Tools & Technologies

FigmaAI Tools like Claude and Codex

Certifications & Qualifications

Bachelor's Degree in Computer ScienceCertification in Web DevelopmentCertification in Software Engineering

Industry Keywords

Interaction DesignEcommerce WebsitesNative AppsUI PatternsDesign Tokens

Tech Stack

Tools & technologies

JavaScriptReact

About the role

Key responsibilities & impact

Use AI tools to accelerate component generation, streamline documentation and workflows, create interactive prototypes, and deliver functional component solutions to engineering
Lead development and refinement of design tokens, reusable components, UI patterns, and component architecture
Partner with designers, engineers, Experience Design teams, Engineering Enablement Lanes, and the Design System Manager
Research, build, and contribute to initial front-end implementation of complex UI patterns, components, and interactive experiences
Collaborate with engineering teams to transform prototypes into production-ready solutions
Drive design system adoption, consistency, innovation, and implementation workflows
Build Figma plugins and contribution processes to improve designer and developer efficiency
Create technical documentation for tokens, components, patterns, and usage guidelines
Host workshops and training sessions on emerging technologies, AI capabilities, Figma component-building guidelines, and contribution workflows
Present complex solutions to technical and non-technical audiences while delivering accurate, high-quality work on schedule

Requirements

What you’ll need

Bachelor's Degree 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 Digital Design and Human-Computer Interaction Design
4–7 years of related experience in Interaction Design or Front-End development, creating innovative solutions for ecommerce websites and native apps
High proficiency in AI tools like Claude and Codex
High proficiency in front-end development, including writing, reviewing, and auditing code to validate and optimize AI-generated design system libraries and component implementations
Strong understanding of design principles, modern UI patterns, responsive web design, and accessibility standards
Expertise in Figma, HTML, CSS, JavaScript, React, and Storybook
Excellent communication skills to articulate technical details and bridge designers and engineers
Strong collaboration skills with designers and engineers
At least 18 years of age
Legally authorized to work in the United States
Travel required
DOT-regulated position: No
Safety-sensitive position: No

Benefits

Comp & perks

Annual stock grant
Employee stock purchase plan
401(k)
Free, year-round money coaches
Annual bonus or periodic sales incentive or bonus, based on role
Medical, dental and vision insurance
Flexible spending account
Paid time off
Up to 12 paid holidays
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
Voluntary long-term care insurance
Mobile service and home internet discounts
Pet insurance
Commuter and transit programs
Career growth opportunities