Molecular AI Pre-Training Scientist

present of AI; San Francisco (CA); On-site; USD 150,000 - 230,000; Full time

Job summary

Chai Discovery in San Francisco is seeking a Research Scientist focused on pre-training foundation models for molecular structure and interactions. You will explore architecture choices, training objectives, and data mixes with an emphasis on large-model experiments and biology-driven research.

The role rewards strong math/physics grounding and hands-on experience in training frontier models, with opportunities to connect AI advances to drug discovery initiatives.

Qualifications

• Experience designing and training large models.
• Strong background in generative modelling and scaling laws.
• Solid grounding in computer science, mathematics or physics.

Responsibilities

• Pre-train foundation models for molecular structure and interactions.
• Investigate architecture choices, training objectives and data mixes.
• Demonstrate ability to run large-model training and report results clearly.

Skills

Large-model training

Generative modelling

Architecture

Scaling laws

Computer science

Machine learning

Mathematics

Physics

Job description

Chai Discovery in San Francisco is seeking a Research Scientist focused on pre-training foundation models for molecular structure and interactions. You will explore architecture choices, training objectives, and data mixes with an emphasis on large-model experiments and biology-driven research.

The role rewards strong math/physics grounding and hands-on experience in training frontier models, with opportunities to connect AI advances to drug discovery initiatives.