L4

AI Engineer · 3D Builder

Sketch-to-building model, prompt safety, refusal modes.

AIHong KongCloses in 42 days
The role

You will build the AI that turns a sketch or a prompt into a 3D building. This is core to letting anyone construct on the digital Earth: the model, the safety layer and the pipeline that gets generated geometry into the world.

What you'll do

  • Build and fine-tune sketch-to-building and text-to-3D generation models.
  • Design prompt-safety and refusal behaviour so the generator stays on-rails.
  • Own the inference pipeline: latency, cost and quality at scale.
  • Collaborate with the 3D squad to make outputs game-engine ready.

What we're looking for

  • 3+ years in applied ML, with generative models shipped to production.
  • Strong Python and PyTorch; comfortable with diffusion or transformer architectures.
  • Experience with 3D representations (meshes, voxels, point clouds, NeRF/Gaussian).
  • You ship pragmatic models that work, not just papers.

Nice to have

  • Experience with text-to-3D, generative geometry or procedural content.
  • MLOps: serving, quantisation, GPU cost optimisation.

Think it’s you?

Attach your resume and a few lines on why this role. We review every application within seven days.

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