Senior Frontend Engineer
SkyCell AG
JavaScriptJestReactReact NativeTypeScriptYarn
Job Level
Mid-LevelSenior
Tech Stack
JavaScriptNext.jsReactReact NativeSpringTypeScript
About the role
- 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 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
- Establish our animation voice creating a distinctive motion language that makes Clerk's marketing presence instantly recognizable and memorable
Requirements
- 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
- Build cutting-edge web experiences using advanced CSS, Shaders, WebGL, and modern animation frameworks (like motion.dev)
- 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; prior work in authentication, user-/org-management, permissions, or SSO flows; familiarity with React Native, mobile UI considerations; experience with Web Components, SSR/server components; knowledge of frontend-facing APIs, browser session/cross-site contexts, security/privacy concerns in UI
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