Frontend Engineer

About the role imCore's Core Studio is a browser-native generative-AI platform for film-grade content creation. The frontend pushes the browser to its limits — heavy media, real-time rendering, and performance at scale.

What you'll do

・Build graphics- and media-intensive frontends with React TypeScript

・Optimize frontend performance and memory: reduce re-renders, cache large media, manage object lifecycles

・Handle media-heavy scenarios with Web Workers, browser-side file caching, and WebGL

Must-have

・3–6 years' experience; able to debug independently in a large existing codebase

・Strong React TypeScript; opinionated on state management (Zustand / Redux or equivalent)

・Hands-on frontend performance & memory management

・Git collaboration (worktree / branch isolation), Code Review

Nice-to-have (not all required)

・WebGL / WebGPU, Three.js / react-three-fiber, Web Worker pools, COEP / CORS

・Browser-side file caching (Blob URL lifecycle, File System Access API), color management, WebCodecs, FFmpeg (wasm), i18n

・Openness to AI-assisted dev (Claude Code, Cursor); film/creative industry background or Nuke / After Effects / Premiere / DaVinci Resolve