Senior Frontend Engineer (AI × Creativity)

Remote

Senior Frontend Engineer (AI × Creativity)

$2,000 - $6,000/USD month

About the Client

This company 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
• Must be familiared with AI agent based development
• How to make cursor.rule, better prompt, any automation with AI agent, frontend test etc..
• 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 fundamentalsNice-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 mediaWork 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