Sr. Designer, Design System

What you’ll do

NinjaTrader’s growing Design organization is seeking an experienced, highly skilled, and collaborative Senior Design System Designer. Working closely with our Design Systems Lead, you’ll help evolve and scale our design system while enabling designers and engineers to build high-quality, consistent experiences across our 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.

In this role you will:

• Partner with the Design Systems Lead to evolve and scale NinjaTrader’s 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

What you’ll need

• 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

Bonus points for

• Experience building or supporting enterprise-scale design systems
• Experience developing Figma plugins, automation, or AI-assisted design workflows
• Experience measuring design system adoption through analytics or operational metrics
• Experience with Supernova, Zeroheight, or a similar design system documentation software
• Experience with composable component libraries (e.g. shadcn/ui)
• Experience in fintech, trading platforms, or other complex data-rich applications

Compensation

The salary range for this role will be $110,000.00 – $160,000.00 USD. In addition, this position will also receive an annual target bonus of 10%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).

Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. NinjaTrader offers a 401K plan through ADP under which the company will match up to 3.5% of employee contributions. Annual paid time off allowance accrues at a rate of 18 days per year plus seven paid holidays. All offered compensation will be based on assessed experience and is subject to change at the offer stage.