Design Engineer
System One, Newtown Square, PA, United States
Job Title: Design Engineer
Job Summary: System One is seeking a Design Engineer to join a product team focused on building AI-powered experiences. This role sits at the intersection of design and front-end engineering, responsible for executing (not just designing) high-quality, accessible UI in production. You’ll translate Figma designs into scalable React components and help deliver intuitive, performant experiences for AI-driven products, including conversational interfaces, knowledge systems, and membership experiences.
Responsibilities
Build production-ready front-end features using React, TypeScript, HTML, and CSS
Translate Figma designs into code , ensuring high fidelity and clear interaction states
Partner closely with designers, engineers, and product managers to deliver polished UI
Implement and consume design systems (components, tokens, patterns)
Develop UI for AI-powered products , including:
Chat/conversational interfaces
Streaming responses and loading states
Knowledge base and agent-driven experiences
Ensure WCAG 2.2 AA accessibility (semantic HTML, ARIA, keyboard navigation, etc.)
Identify and resolve gaps between design intent and technical implementation
Contribute to code reviews, design reviews, and agile ceremonies
Document interaction behaviors, accessibility considerations, and component usage
Enhance internal and customer-facing web experiences , including membership flows
Required Qualifications
5+ years of front-end design + development experience
Strong expertise in React and TypeScript (production-level work required)
Proven ability to execute designs in code (not just create them)
Expert-level Figma skills , including:
Auto layout
Layers
Design-to-dev handoff
Experience with:
Figma MCP Server (must understand what MCP is)
GitHub + GitHub Copilot
Experience building AI-powered or conversational UI products
Strong understanding of:
UX/UI principles
Responsive design
Accessibility (WCAG 2.2 AA)
Familiarity with accessibility tools (axe, WAVE, screen readers like NVDA/JAWS/VoiceOver)
Experience working with design systems in production
Proficiency with modern tooling (e.g., Vite/Webpack, Jest, Testing Library, Playwright)
Preferred Qualifications
Experience with Storybook
Background in AI product interfaces (LLM interactions, prompt rendering, etc.)
Experience contributing to design system evolution
What We’re Looking for
A hands-on builder who can take designs all the way to production
Someone with strong design acumen + engineering depth
Experience working on AI-driven products and interfaces
A collaborative partner who can bridge design and engineering effectively
A portfolio showcasing end-to-end UI work (required)
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#J-18808-Ljbffr
Job Summary: System One is seeking a Design Engineer to join a product team focused on building AI-powered experiences. This role sits at the intersection of design and front-end engineering, responsible for executing (not just designing) high-quality, accessible UI in production. You’ll translate Figma designs into scalable React components and help deliver intuitive, performant experiences for AI-driven products, including conversational interfaces, knowledge systems, and membership experiences.
Responsibilities
Build production-ready front-end features using React, TypeScript, HTML, and CSS
Translate Figma designs into code , ensuring high fidelity and clear interaction states
Partner closely with designers, engineers, and product managers to deliver polished UI
Implement and consume design systems (components, tokens, patterns)
Develop UI for AI-powered products , including:
Chat/conversational interfaces
Streaming responses and loading states
Knowledge base and agent-driven experiences
Ensure WCAG 2.2 AA accessibility (semantic HTML, ARIA, keyboard navigation, etc.)
Identify and resolve gaps between design intent and technical implementation
Contribute to code reviews, design reviews, and agile ceremonies
Document interaction behaviors, accessibility considerations, and component usage
Enhance internal and customer-facing web experiences , including membership flows
Required Qualifications
5+ years of front-end design + development experience
Strong expertise in React and TypeScript (production-level work required)
Proven ability to execute designs in code (not just create them)
Expert-level Figma skills , including:
Auto layout
Layers
Design-to-dev handoff
Experience with:
Figma MCP Server (must understand what MCP is)
GitHub + GitHub Copilot
Experience building AI-powered or conversational UI products
Strong understanding of:
UX/UI principles
Responsive design
Accessibility (WCAG 2.2 AA)
Familiarity with accessibility tools (axe, WAVE, screen readers like NVDA/JAWS/VoiceOver)
Experience working with design systems in production
Proficiency with modern tooling (e.g., Vite/Webpack, Jest, Testing Library, Playwright)
Preferred Qualifications
Experience with Storybook
Background in AI product interfaces (LLM interactions, prompt rendering, etc.)
Experience contributing to design system evolution
What We’re Looking for
A hands-on builder who can take designs all the way to production
Someone with strong design acumen + engineering depth
Experience working on AI-driven products and interfaces
A collaborative partner who can bridge design and engineering effectively
A portfolio showcasing end-to-end UI work (required)
System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.
System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.
#J-18808-Ljbffr