Applied LLM Researcher

AssetHub Tokyo February 5 2026
  • 💴 No salary range given
  • 🏢
    No remote
  • 🌏
    Apply from abroad
    Relocate to Japan
  • 💬
    No Japanese required
    Business English
  • 🧪
    Intermediate to senior levels
    Unspecified years of experience
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About AssetHub

AssetHub Tokyo

AssetHub is a next-generation 3D creation tool that uses AI to help creators build and edit 3D assets up to 100× faster. Built for game developers, it changes how games and 3D content are made by bringing together Games, IP, and AI to deliver speed, scale, and globally competitive quality.

About the position

In this role, you will work at the intersection of LLMs, multimodal generation, and game/creative production, driving research that directly ships into products.

Responsibilities

  • Conduct research and development on Large Language Models (LLMs) and multimodal models (text, image, 3D)
  • Research and integrate image generation models (e.g., Diffusion, Transformers, NeRF / 3DGS) with LLMs
  • Design AI systems for game development and creative production pipelines
  • Design, implement, and operate LLM-based agent systems, including:
    • Tool use, planning, memory, and multi-agent architectures
    • Stabilization and optimization for real-world production environments
  • Build evaluation frameworks and metrics for LLMs and agents
    • Offline evaluation, online evaluation, and human-in-the-loop assessment
  • Reproduce, extend, and apply ideas from recent research papers
  • Collaborate closely with engineering and product teams to bring research into production

Requirements

  • PhD (completed or in progress) in Computer Science, Machine Learning, or a related field
  • Strong background in LLMs or generative models
  • Solid implementation skills in Python and PyTorch (or equivalent frameworks)
  • Experience or strong understanding of bringing research code to production-quality systems
  • Ability to read papers, implement them, and translate research into real products

Nice to haves

While not specifically required, tell us if you have any of the following.

  • Deep expertise in image generation and multimodal generative models
    • Diffusion models, VAEs, Transformer-based architectures
  • Strong interest in creative domains and games
    • Game development, 3D content, IP creation, UGC platforms, creative tools
  • Hands-on experience with LLM agents in production
    • Designing, deploying, and iterating on agent systems in real environments
  • Practical experience in evaluation and measurement
    • Designing quantitative metrics for LLMs and agents
    • A/B testing, logging, quality monitoring Experience with large-scale distributed training or inference optimization
  • Open-source contributions or research publications (top-tier venues not required)
  • Experience bridging the gap between research and production
  • Ability to define ill-posed problems and drive them to solutions
  • Strong product sense and user-centric thinking, especially for creators
  • Familiarity with game engines (Unity, Unreal) or DCC tools (e.g., Blender)
  • Experience working in startups or small, fast-moving teams
APPLY FOR THIS POSITION
DO YOU NEED MORE INFO?
ASK A QUESTION

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