Applied AI Engineer (AI)

Location: On-site in San Francisco or New York

Salary: $175K–$240K plus equity

Company

Builds and deploys AI scientist agents that accelerate scientific research and the development of new medicines.

What you will do

• Architect, implement, and maintain AI scientist agents from prototype through production.
• Prototype agent architectures, prompting strategies, tool integrations, and evaluation frameworks with science and engineering teams.
• Develop reusable agent skills, tool-use pipelines, benchmarks, and other infrastructure.
• Work with R&D partners for approximately 30% of the role to understand workflows and validate agent capabilities in real environments.
• Translate field insights and internal research into product priorities.

Requirements

• 4+ years of professional software engineering experience, including shipping production systems used by real users.
• Experience building LLM-powered tools or applications, including prompting, context engineering, agent architectures, or evaluation frameworks.
• Strong foundation in computer science, software engineering, mathematics, physics, data science, or a related technical field.
• Proficiency in Python and/or TypeScript and the ability to learn new tools and frameworks quickly.
• Ability to collaborate across engineering, science, and product teams and work effectively in ambiguous environments.

Nice to have

• Experience in life sciences, biomedical research, scientific computing, or technical R&D workflows.
• Experience building agent systems, tool-use pipelines, or AI evaluation and benchmarking frameworks.
• Contributions to open-source scientific or AI tooling.

Culture & Benefits

• Full healthcare coverage, including 100% premium coverage for employees and dependents.
• Paid parental leave, fertility coverage, and family support.
• Mental health support, pet care assistance, commuter benefits, and quarterly wellness benefits.
• 401(k) company matching.
• Daily office lunch, late-work dinners, team off-sites, and company events.