ABOUT SOMITE.AI

Somite.ai is a venture-backed company aiming to become the OpenAI of stem cell biology, developing AI foundation models for human stem cells to drive novel cell therapies at scale.
We take a full-stack approach - generating data at 1,000x lower cost, training large-scale models with unmatched predictive power, and using these models to discover, refine, and optimize high-impact applications in cell therapy.
Our founding team includes repeat AI entrepreneur Dr. Micha Breakstone (Chorus.ai, acquired for $575M), the Head of the Fundamental AI Group at MIT (pioneered the foundational research on scaling laws), and three Harvard Medical School professors and National Academy of Sciences/Medicine members, including the Chair of the Genetics Department at HMS. Based in Boston and launching operations in January 2024, Somite has raised close to $60M to date (Forbes).
Location: Boston, MA (onsite, full-time)
Reports to: SVP Operations
About the Role:
We’re looking for a flexible, hands-on HR professional who thrives in a fast-paced, high-growth startup environment. You’ll be the go-to person for all things people-related, working closely with leadership to attract top talent, support our growing team, and build the HR foundation for the years ahead.

QUALIFICATIONS:

• 4-6 years of HR experience, ideally in life sciences, AI, biotech, and/or a high-growth startup.
• Broad HR skill set - comfortable handling everything from hiring to compliance.
• Knowledge of Massachusetts and federal employment law.
• Excellent interpersonal skills and discretion when handling sensitive matters.
• Comfortable switching between strategic projects and day-to-day tasks.
• Boston-based (or willing to relocate) and excited to be in-office full time.

• Recruiting & Hiring: Partner with managers to define roles, source candidates, run interviews, and manage offers.
• Onboarding & Offboarding: Deliver a smooth, professional experience for all new hires and departures.
• Performance Reviews: Lead annual and mid-year review processes and support managers with feedback best practices.
• Compliance: Ensure policies, processes, and employee documentation meet Massachusetts and federal requirements.
• Benefits & Compensation: Administer benefits, assist with payroll changes, and support compensation benchmarking.
• Employee Engagement: Plan team events, foster a positive workplace culture, and act as a trusted resource for employees.
• HR Systems & Data: Manage HR tools, maintain accurate records, and report on HR metrics to leadership.