Senior UI Developer

Job Description: 

React, React-Three-Fiber (R3F), custom shaders, SVG animation, real-time audio/video textures, and airtight performance on iOS/Android WebViews and desktop browsers.

Requirements: 

• 5+ years in modern React developing Reusable components, custom hooks etc and strong in TypeScript. 

• 3+ years with React-Three-Fiber/Three.js building interactive, animated scenes / effects. 

• Proficiency in JavaScript, HTML5, and CSS. 

• SVG mastery: paths, viewBox, transforms, masking, filters and orchestrating animation. 

• Media handling: video textures, iOS autoplay constraints, user-gesture gating. 

• Experience delivering inside mobile WebViews/iframes and handling cross-app messaging. 

• Strong debugging skills on Safari/iOS, Android Chrome, desktop browsers; comfort with Dev tools, WebGL inspector etc. 

• Deep performance intuition: draw call/overdraw/GPUMem, texture formats & mipmaps, instancing, batching, cache invalidation. 

• Experience with Lottie, converting motion design into code/shaders. 

Responsibilities: 

• Ability to implement animation games end to end. 

• Build internal tools: level/scene loaders, develop effects and debug accordingly. 

• Collaborate with design/illustration/animators to translate motion specs into production-ready code. 

• Ship reliable code: unit/integration tests, analytics hooks, error logging. 

• Profile and fix performance issues across devices (Safari/iOS WKWebView, Android WebView, Chrome/Edge/Firefox). 

This position offers a unique opportunity to use your creative talents to make a meaningful difference in the lives of children with autism and their families. The ideal candidate will have a passion for creating fluidic, immersive and user-friendly educational games catering to the needs of children; Solving core animation development and game flow using Three.js and React three fiber.