Product Designer, Design Systems

Finix

San Francisco contract

Posted: January 9, 2026

Job Description

About Us
Move money. Make money. Finix is a full-stack acquirer processor, empowering businesses of all sizes with flexible, modern payment solutions. Processing billions of dollars annually, Finix enables SaaS, marketplace, and e-commerce platforms to accept payments, manage payouts, and onboard merchants seamlessly. With our no-code, low-code, and developer-friendly tools, businesses can get up and running in hours—not months.

Finix has raised over $175M, including a $75M Series C led by Acrew Capital, with participation from Lightspeed Venture Partners, Leap Global, American Express Ventures, Bain Capital Ventures, Homebrew, Inspired Capital, Sequoia Capital, Visa, and others.

About the role
We’re looking for a Product Designer, Design Systems to support the rapid build-out and adoption of Finix’s next-generation design system and help apply it across our core dashboard experience.

In this role, you’ll work closely with design leadership and senior designers to translate established foundations and tokens into a high volume of production-ready components used across real, complex product workflows. This role requires someone who is deeply comfortable working in systems, moves quickly without sacrificing quality, and thrives in close partnership with engineering.

What You'll Do:
• Rapidly design, build, and refine reusable UI components within Finix’s design system
• Apply existing design tokens and foundations consistently and correctly across all components
• Produce clear, scalable component documentation that supports fast adoption by design and engineering
• Partner closely with engineering to support implementation, QA, and iteration of system components in production
• Apply the design system directly to dashboard features to validate system decisions in real workflows
• Identify gaps, edge cases, and inconsistencies—and proactively propose solutions
• Participate in design reviews, incorporate feedback quickly, and keep momentum high

You Have:
• 4+ years of product design experience with significant hands-on work in design systems
• Demonstrated ability to build and ship design systems at speed—not just contribute occasionally
• Deep fluency in component-based design, variants, states, and token-driven systems
• Strong visual design fundamentals with an exceptional eye for consistency and detail
• Experience partnering closely with engineers to bring systems into production
• Proven ability to operate in fast-paced, iterative environments with minimal hand-holding
• Advanced proficiency in Figma, including complex component architectures and shared libraries

Nice to Have:
• Experience with fintech, payments, or other highly complex B2B products
• Familiarity with accessibility standards and inclusive design practices
• Working knowledge of front-end frameworks (React, CSS, component libraries)
• Examples of design systems that have shipped and are actively used by teams

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