Overview

AssetHub is building an AI-native 3D game creation platform that redefines how games and IPs are born — blending AI, art, and interactivity.
We’re looking for a Frontend Engineer who can bridge design, development, and AI — crafting experiences that feel alive.

You’ll work on web applications powered by AI agents, help shape our design system and visual language, and prototype new ways to interact with generative AI.

Responsibilities

Design, develop, and maintain features for the AssetHub web platform
Build and integrate AI-powered systems (LLM / Vision / Voice) into real product workflows
Implement automated frontend testing and performance optimizations
Create advanced animations and 3D interactions using WebGL / Three.js / React Three Fiber
Establish and evolve the design system and UI component libraries
Collaborate with AI, backend, and design teams to deliver cohesive product experiences

Required Skills

Strong experience with React / Next.js / TypeScript
Experience building or maintaining design systems (Storybook, Radix UI, Tailwind, etc.)
Familiarity with REST / GraphQL / WebSocket integrations
Knowledge of automated testing (Playwright, Vitest, or Cypress)
Deep understanding of UI/UX and animation fundamentals

Nice-to-Have Skills

Experience with Three.js / R3F / WebGPU for interactive 3D rendering
Experience with AI and LLM development (OpenAI, Hugging Face, LangChain, etc.)
Experience using or integrating image-generation AI (Stable Diffusion, ComfyUI, Midjourney, etc.)
Experience with Node.js / Python / Docker environments
Familiarity with modern design workflows (Figma, Framer)
Passion for games, creative tools, and interactive media

Work Style

Fully remote
Flexible working hours
English
If it's interesting, we can support relocation to Japan

Employment & Compensation

Full-time or contractor
Compensation based on skill and experience
Stock option program available