Research Scientist, Life Sciences (Chemistry)

Job summary

Responsibilities

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 medicinal chemistry expertise to join the team.

• Design multi-step synthetic routes for small molecules and oversee their execution end to end, including route selection, reaction optimization, purification strategy, and…
• Coordinate synthesis and biological evaluation with external contract research organizations and academic partners
• Evaluate AI-designed molecules and AI-proposed synthetic routes, drive them to experimental readout, and feed results back to research teams
• 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

What they're looking for

• PhD in chemistry
• Demonstrated medicinal chemistry experience, including SAR-driven design and optimization of small molecules, with recent, sustained hands-on synthetic 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
• 5+ years of medicinal chemistry experience beyond the PhD

Tech stack

• Python
• Pandas