UI Engineer, Clerk

• 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

Desirable

• 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
• 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