Research Scientist, Life Sciences (Chemistry)

Anthropic · San Francisco, CA

  • Senior
  • Full-time
  • $300,000 – $320,000
  • Posted 2026-08-14
  • Confirmed live on 10 November 2026

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Job description

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.

About the role

Anthropic's Life Sciences team is building a research group focused on biological discoveries by combining AI with hands-on biological research. We're seeking research scientists with deep expertise in experimental chemistry to join the team. We welcome chemists from across the field, including medicinal, synthetic organic, physical organic, organometallic, inorganic, analytical, physical, and materials chemistry, as well as formulation science. Our goal is to speed up progress in the life sciences by an order of magnitude, and this role puts that mission into practice. You'll be an expert in your area of chemistry with hands-on experience designing, and running experiments, from synthesizing, purifying, and characterizing compounds to studying reaction mechanisms and kinetics. Above all, you'll close the loop between AI-generated hypotheses and experimental data to share with the community. Working alongside AI researchers and engineers, you'll drive experimental programs end to end and pressure-test AI-designed molecules, AI-proposed synthetic routes, and AI-predicted mechanisms and properties against real chemistry.

This role is fully on-site in the San Francisco Bay Area.

Key responsibilities

Depending on your area of chemistry, you will:

• Design multi-step synthetic routes for small molecules and oversee their execution end to end, including route selection, reaction optimization, purification strategy, and interpretation of full characterization data (NMR, LC-MS, HPLC)

• Design and run mechanistic, kinetic, and spectroscopic studies to explain and predict reactivity, selectivity, and molecular properties

• Prepare and characterize inorganic and organometallic compounds, materials, and formulations, and relate their composition and structure to their properties

• Coordinate synthesis and biological evaluation with external contract research organizations and academic partners

• Evaluate AI-designed molecules, AI-proposed synthetic routes, and AI-predicted mechanisms and properties, drive them to experimental readout, and feed results back to research teams

• Generate experimental and computational data, for example from quantum mechanical calculations, that research teams use to train and evaluate AI models

• Apply medicinal chemistry principles, including SAR analysis and physicochemical property optimization, to compound design and prioritization

• Ensure experimental data across programs is high quality and well documented, including procedures, spectra, and failure modes

• Communicate findings clearly to chemistry, AI research, and life sciences audiences

Minimum qualifications

• PhD in chemistry

• Demonstrated depth in your area of experimental chemistry (for medicinal chemists, SAR-driven design and optimization of small molecules,), with recent, sustained hands-on laboratory work

• Comfort navigating ambiguity and defining problems in a rapidly evolving research environment

• Ability to work independently while collaborating effectively across cross-functional teams, with strong written and verbal communication skills

Preferred qualifications

• 5+ years of experience in your area of chemistry beyond the PhD

• For medicinal chemists, a track record of advancing programs from hit identification through lead optimization

• Experience directing chemistry activities at contract research organizations

• Computational chemistry, cheminformatics, or coding skills, for example quantum mechanical calculations (DFT) or Python with RDKit or pandas for data analysis and automation

• Experience using AI or ML tools in chemistry or the life sciences

• Publications and/or patents demonstrating scientific impact

The annual compensation range for this role is listed below.

For sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commissions/sales bonuses target and annual base salary for the role.

Annual Salary:
$300,000—$320,000 USD

Logistics

Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience

Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience

Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position

Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.

Visa sponsorship: We do sponsor visas! However, we aren't able to successfully sponsor

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