Sr. Designer, Design System

Skills

About the Role

You'll help evolve and scale NinjaTrader's design system while enabling designers and engineers to build high-quality, consistent experiences across the trading platform. You'll combine exceptional visual design craft with systems thinking, partnering across Product, Engineering, and Design to improve efficiency, accessibility, and product quality. You'll work closely with the Design Systems Lead to build and maintain component libraries, token architecture, and Figma workflows that support scalable implementation across web, desktop, and mobile experiences.

Requirements

• 7+ years of experience in UX, UI, or Product Design, including at least 2 years focused on design systems
• Demonstrated experience designing, documenting, and maintaining scalable component libraries and design systems for complex digital products
• Expert proficiency in Figma, including components, variables, auto layout, libraries, and modern workflow automation
• Strong understanding of design tokens, component architecture, and design-to-development workflows
• Working knowledge of Storybook and modern frontend technologies (HTML, CSS, JavaScript frameworks) with the ability to collaborate effectively with engineers
• Familiarity with accessibility standards (WCAG) and inclusive design practices
• Strong visual design, interaction design, and systems thinking skills with a portfolio demonstrating scalable design solutions
• Experience balancing consistency with product flexibility across multiple teams and products
• Excellent communication, collaboration, and documentation skills with the ability to influence without direct authority
• Passion for craftsmanship, continuous improvement, and elevating design quality across an organization

Responsibilities

• Partner with the Design Systems Lead to evolve and scale the design system across web, desktop, and mobile experiences
• Create, document, and maintain high-quality reusable UI components, patterns, templates, and interaction guidelines
• Maintain and extend design token architecture that supports scalable implementation across platforms
• Collaborate directly with Engineering to ensure design system components are accurately implemented and maintained in Storybook and production
• Identify opportunities to improve consistency, usability, accessibility, and efficiency throughout the product ecosystem
• Build and optimize Figma libraries, variables, plugins, automation, and AI-assisted workflows to streamline design operations
• Support product designers by providing guidance, documentation, onboarding, and best practices for using the design system effectively
• Contribute to governance processes that ensure the design system evolves intentionally while supporting product velocity
• Help define and track adoption metrics, component health, and system usage to continuously improve the effectiveness of the design system

Benefits

• 401K plan with up to 3.5% company match
• 18 days annual paid time off plus seven paid holidays
• 20 additional flex remote days annually
• 5 Company Wide Office-Optional weeks tied to major holidays
• 7 Paid Holidays Annually + 5 Conditional Holidays Annually
• 1 Service Day Annually
• Paid Parental Bonding Leave
• Health, Vision, Dental Coverage
• Life and Disability Insurance Covered 100% by NinjaTrader
• Hybrid work schedule with remote work on Mondays and Fridays