Posted 12 August, 2026
Design Systems QA Specialist -- React / B2B eCommerce
Braintrust
San Francisco, CA, US
Full Time
Job Description
Company\n
\nBraintrust is a global talent network that connects top independent professionals with leading companies for high-quality, flexible work. We help organizations hire skilled talent faster while giving professionals access to vetted opportunities with innovative teams.\n Job description\n
\n
\nBraintrust is a global talent network that connects top independent professionals with leading companies for high-quality, flexible work. We help organizations hire skilled talent faster while giving professionals access to vetted opportunities with innovative teams.\n Job description\n
\n
We are looking for a hands-on Design Systems QA Specialist to support the evolution of a B2B eCommerce design system. This is a part-time engagement of approximately 10–12 hours per week, working closely with a designer and engineering team as the existing system migrates from Vue to React.
\nKey Activities
\n- \n
- Review React components against design system specifications and approved designs \n
- Perform design QA across responsive components and key eCommerce experiences, including PDP, PLP, and cart \n
- Validate visual consistency, responsive behavior, typography, tokens, spacing, and component states \n
- Identify and document discrepancies between design and implementation \n
- Collaborate closely with Design and Engineering to resolve implementation issues \n
- Support QA of components and experiences implemented in Shopify \n
Key Requirements
\n- \n
- Strong experience with design systems and UI/design QA \n
- Solid understanding of React-based component libraries \n
- Experience reviewing responsive web and eCommerce experiences \n
- Strong attention to visual detail and consistency \n
- Familiarity with Figma and developer handoff workflows \n
- Shopify experience is a plus \n
