3d or Technical artist

Description :We need a senior, independent developer who can build an embeddable Unity WebGL Avatar SDK for the web and also handle 3D avatar rendering, textures, animation, and MetaHuman-style realism. The core task is to deliver a framework-agnostic JavaScript/TypeScript SDK that embeds a Unity WebGL avatar directly into a web page (no iframe) and exposes a clean API like :1. speak(text: string) sends text into Unity2. Unity handles speech + avatar logic fully inside the WebGL build (no backend, no external services)3. You will deliver the solution end-to-end: Unity integration + SDK + a thin React/Angular wrapper demo.Candidate Task (What you will build) :Objective :Build a complete, embeddable JavaScript/TypeScript SDK that loads a Unity WebGL avatar into a web page and allows client apps (React/Angular) to trigger avatar speech using only text input.Key Requirement : - No backend APIs or external services- SDK passes text to Unity- Speech + avatar logic stays inside Unity WebGL buildResponsibilities :Unity + WebGL Integration :- Build and optimize a Unity WebGL avatar project for production use (performance + load time).- Implement Unity-side bridge to receive text from JS and trigger speech internally.- Handle avatar animation states : idle/talk/blendshapes/lip-sync (Unity-side).- Ensure WebGL build works reliably across modern browsers (Chrome/Edge/Safari where possible).SDK Development (JavaScript/TypeScript) :- Develop a framework-agnostic SDK in TypeScript that :1. Embeds Unity WebGL into a specified DOM container (no iframe)2. Exposes public API : speak(text : string) (minimum)3. Supports sizing via CSS or SDK config (width/height)4. Has clean lifecycle methods (init/load/dispose) and error handling- Maintain strict separation : SDK core contains Unity logic; wrappers remain thin.Framework Demo (Angular or React) :- Provide a minimal Angular or React demo that :1. Renders the avatar using SDK2. Calls speak() from UI input- Demo must contain no Unity or business logic, only usage.3D / MetaHuman / Avatar Quality :- Create or refine avatar assets : modeling, texturing, shading, rigging, facial expressions, hair, realism- Implement animation + lip-sync-friendly facial rig (or blendshape setup)- Ensure final avatar looks high-quality and production-readyMust-Have Skills :- Unity (4+ years) with strong WebGL build experience- JavaScript/TypeScript (strong) SDK development experience- Unity WebGL embedding into DOM without iframe- Unity JavaScript interop (messaging/bridge)- Avatar animation pipelines : rigging, facial expressions, lip-sync concepts- Strong debugging skills across Unity + browser console + WebGL performanceGood-to-Have Skills :- React or Angular (basic wrapper experience is enough)- Shader Graph/URP optimization for WebGL- MetaHuman-style realism knowledge (skin/hair/eyes shading)- Experience packaging SDKs (npm-style structure, versioning, clean docs)Constraints (Non-Negotiable) : - No iframe-based embedding- No backend APIs, WebSockets, or external servers - All speech + avatar logic must be handled inside Unity WebGL build- SDK core must be framework-agnostic (React/Angular only wrappers) (ref:hirist.tech)