UI Engineer

About Clerk

Clerk is on a mission to solve user management once and for all. We are a globally distributed team dedicated to providing best-in-class developer experience, with obsessive attention to every detail. Today, we provide developers with full-stack React components and hooks like <SignUp/>, <SignIn/>, <UserProfile/>, useUser, and useOrganization. These APIs allow developers to build hard-to-get-right user and organization management flows. We believe that a component is worth a thousand APIs.

About the role

We’re looking for a UI Engineer to help bring Clerk’s developer experiences to life on the web. In this role, you’ll work at the intersection of design and engineering to build immersive, high-quality web interactions using modern frontend tools, animation frameworks, and creative development techniques. This role is all about pushing the boundaries of what’s possible on the web while still caring deeply about performance, accessibility, and clean implementation.

What you'll do

• Be part of a mission-driven design team focused on making Clerk the de facto solution for user management, organizations and billing for developers

• Build cutting-edge web experiences using advanced CSS, Shaders, WebGL, and modern animation frameworks (like motion.dev) to create event driven animations, and immersive visual experiences.

• Implement sophisticated micro-interactions that guide visitors through our website, making complex developer tools feel approachable and exciting

• Collaborate closely with the growth design team to translate concepts into living, breathing web experiences that capture attention and drive conversion

• Push the boundaries of web animation while maintaining performance across all devices - creating experiences that make visitors stop scrolling and say "wow"

• Optimize for both delight and performance ensuring smooth 60fps experiences across desktop and mobile while maintaining fast loading times and accessibility standards

• Prototype and iterate rapidly on marketing concepts, using motion to tell compelling product stories and differentiate Clerk in the crowded developer tools market

• Establish our animation voice creating a distinctive motion language that makes Clerk's marketing presence instantly recognizable and memorable

Who you are

• 5+ years of hands-on experience building production-grade marketing websites with memorable, tasteful animations that drive engagement and conversions

• Marketing-focused animation expertise with deep knowledge of scroll-triggered animations, hero sequences, WebGL effects, and creative development techniques that capture attention without overwhelming users

• Strong React & TypeScript foundation with experience building complex marketing sites using modern frameworks (Next.js, Astro) and animation libraries (Framer Motion, React Spring)

• Performance optimization mindset understanding how to create rich visual experiences that still load fast, work across devices, and maintain excellent Core Web Vitals scores

• Visual storytelling sensibility with an eye for how motion can communicate brand values, explain complex products, and guide visitors through marketing funnels

• Marketing collaboration experience comfortable working with brand designers, marketers, and growth teams to translate campaign concepts into compelling web experiences

• Creative development background with a portfolio showcasing marketing websites that balance visual impact with conversion optimization

Nice to haves

• Experience at a developer tools company or building for developers as your primary users.

• Prior work in authentication, user-/org-management, permissions, or SSO flows.

• Familiarity with React Native, mobile UI considerations, or building cross-platform components.

• Experience with Web Components, SSR / server components, or component delivery across framework boundaries.

• Knowledge of frontend-facing APIs, browser session / cross-site contexts, security / privacy concerns in UI.

Benefits

• Competitive Salary – We want you to know that we value the skills and experience you bring to the table. We go out of our way to make sure that you feel fairly compensated.

• Equity Ownership – At Clerk, we believe in shared success. That's why we offer a stock option plan so that everyone can benefit from the growth and prosperity of the company.

• Work Gear - Set up your ideal home office with the gear of your choice. At Clerk, we want to ensure that you have everything you need to perform at your best.

• Flexible Vacation Policy – We believe in work-life balance and trust you to take the time you need. Although we recommend 25 days per year, our vacation policy is unlimited. This is in addition to observing national holidays specific to your country of residence.

• Diverse and Inclusive Team – Join our exceptional, diverse, and globally distributed team at Clerk. We are committed to fostering an inclusive environment where everyone can contribute their best in building impactful products and tools for the modern web.