Video Diffusion AI Researcher - Build from Scratch, Equity

Amadeus Search; San Francisco, Northern (CA, KY); Hybrid; USD 160,000 - 300,000; Full time

Job summary

Amadeus Search, an early-stage AI startup in San Francisco, is hiring an Applied AI Researcher to lead training of state-of-the-art video diffusion models from scratch on massive visual data and GPU clusters. You’ll design and train diffusion/transformer models, curate large video datasets, run experiments, and develop LoRA modules while staying current with GenAI research and shaping the roadmap.

Requirements include 2+ years building ML models in Python and PyTorch, experience with vision

Qualifications

• 2+ years building ML models from scratch in Python and PyTorch.
• Deep experience with vision transformers, diffusion models, or related architectures.
• Comfortable working on Linux clusters with GPU workloads.
• Experience with labeling tools (e.g., face detection, speaker recognition).
• Strong research mindset; PhD or top-tier publications a plus.

Responsibilities

• Train large-scale diffusion and transformer-based models for video generation.
• Curate, clean, and label internet-scale video datasets.
• Run targeted experiments and rapidly iterate on model improvements.
• Distill models for faster inference with minimal performance loss.
• Stay current with arXiv and GenAI research; help shape the model roadmap.
• Build LoRA modules to expand model capability.

Skills

Python

Vision transformers

Diffusion models

Data labeling tools

GenAI research mindset

Education

PhD preferred or top-tier publications

Tools

PyTorch

Linux

GPU clusters

Job description

Amadeus Search, an early-stage AI startup in San Francisco, is hiring an Applied AI Researcher to lead training of state-of-the-art video diffusion models from scratch on massive visual data and GPU clusters. You’ll design and train diffusion/transformer models, curate large video datasets, run experiments, and develop LoRA modules while staying current with GenAI research and shaping the roadmap.

Requirements include 2+ years building ML models in Python and PyTorch, experience with vision