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AI Researcher – Founding AI Team (Chemistry)

ai-native chemical manufacturer (series b, san francisco-based) • United States
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AI Summary

Leads large-scale model training and reinforcement learning systems for chemistry synthesis planning. Requires 5+ years of experience in distributed training, PyTorch/JAX, and frontier AI research. Must own end-to-end experiments from research to deployment.

Key Responsibilities
Lead large-scale model training and post-training experiments for chemistry synthesis planning
Develop pretraining, fine-tuning, synthetic data, and distillation pipelines
Build reinforcement learning systems that learn from experimental feedback
Design benchmarks, evaluations, and reproducible experiments
Run distributed training using frameworks like FSDP, DeepSpeed, or Megatron
Investigate model performance, identify failure modes, and improve reliability
Collaborate with chemists and product engineers to deploy AI research in practical workflows

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Technical Skills Required
Distributed training frameworks (FSDP, DeepSpeed, Megatron) PyTorch/JAX Reinforcement learning

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Benefits & Perks
$200,000–$300,000 base salary + meaningful equity
Visa sponsorship for H-1B, TN, O-1 (including transfers/renewals)
Competitive compensation
Founding team ownership of meaningful parts of training strategy
Collaboration with chemists, researchers, and product engineers
Real-world deployment of research models in industrial applications

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Nice to Have
Experience with RL using verifiable rewards, sparse/delayed feedback
Familiarity with molecular or laboratory data
Experience with uncertainty modeling or active learning
Publications, open-source contributions, or benchmark/synthetic-data pipeline experience
Track record of deploying complex research into real-world models

Job Description

Location: San Francisco, CA

Working model: Full-time, in-office (5 days a week)

Working hours: 9 AM – 5 PM

Salary: $200,000–$300,000 base + meaningful equity

Experience: 5+ years (doctoral research experience counts)

Visa sponsorship: Available for US citizens, Green Card holders, H-1B, TN and O-1 (including transfers and renewals)

About the company

A Series B, AI-native chemical manufacturer based in San Francisco is using AI, advanced laboratories and a global manufacturing network to serve more than 100 enterprise customers.

The role

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Job Overview
Posted Nov 10, 2026
Employment Full-time
Experience Mid-Senior level
Location United States
Category Machine Learning
Company ai-native chemical manufacturer (series b, san francisco-based)
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