Senior Frontend Engineer (Web Performance)

Since 2017, the company has expanded from listings into payments, shipping and seller financing.

About the role:

Mullion HQ has an opening for a Senior Frontend Engineer (Web Performance). The Customer Portal team owns the customer-facing web app. You'll turn Figma designs into fast, accessible screens and keep them that way. You can work from home anywhere in the US. We have no office requirement. Normal working hours, Monday to Friday.

Day to day:

• Maintain and extend the shared component library in Storybook
• Track down cross-browser bugs in Safari, Chrome, Firefox and mobile browsers
• Fix accessibility issues and test with VoiceOver and NVDA against WCAG 2.1 AA
• Integrate with REST and GraphQL APIs and handle loading, error and empty states properly
• Manage client state with Redux Toolkit, Zustand or TanStack Query

Qualifications:

• 5-7 years building production web applications
• Git and a pull request based workflow
• Experience with a styling approach such as Tailwind, CSS Modules or styled-components
• A good eye for spacing, alignment and small visual details

The salary range for this role is $167,000 - $220,000 a year. This range reflects base salary only.

What we offer:

• Health insurance
• 401(k) with 4% match
• 12 weeks of paid parental leave
• 11 paid holidays
• Flexible spending account

Mullion HQ is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Start: Immediately.

Demo job created on 11jobs for testing and demonstrations. It is not an actual opening at Mullion HQ.