Senior AI Engineer

Senior AI Engineer I – Commercial Data & Applied AI

We are building a world‑class Commercial Data & Applied AI team and are looking for a highly motivated Senior AI Engineer I to design and implement AI and automation solutions that optimize operations across our commercial, billing, and customer experience teams. This full‑time senior role is focused on applying LLMs, AI, and automation to real‑world business challenges in healthcare. The role is hybrid, requiring 2‑3 days per week on site in Menlo Park.

• Build and deploy LLM‑powered applications (retrieval systems, AI agents, workflow automation, vector storage) that integrate with internal systems and data sources
• Partner with business stakeholders to identify automation opportunities, scope requirements, and define success metrics
• Build lightweight data pipelines and analytics to support AI applications and measure their impact
• Own projects end‑to‑end: from prototyping and iteration through production deployment and monitoring
• Establish best practices for prompt engineering, evaluation, and responsible AI use as the team scales
• Develop and lead internal training sessions on LLM fundamentals, prompt engineering, and AI‑assisted development tools

• 5+ years of experience in software engineering, data science, or ML engineering
• Hands‑on experience building applications with LLM APIs (OpenAI, Anthropic, etc.)
• Strong Python proficiency and comfort with SQL and relational databases
• Experience deploying and maintaining production systems
• Familiarity with AWS
• Excellent communication skills and ability to translate business problems into technical solutions
• Self‑directed and comfortable with ambiguity in a 0‑to‑1 environment

• Previous entrepreneurial experience
• Experience with retrieval architectures, vector databases, and embedding models
• Familiarity with agent frameworks or workflow orchestration tools
• Experience with traditional ML frameworks (scikit‑learn, PyTorch, Tensor Flow)
• Prior work in healthcare, biotech, or other regulated industries

• Base pay range: $174,241 – $200,641 per year (actual amount based on experience)
• Equity options available
• Corporate bonus program
• Medical benefit options: employee premiums paid 100% of select plans, dependents covered up to 80%
• Family bonding leave: 16 weeks, paid 100%
• Supplemental fertility benefits coverage
• Retirement savings program with 4% company match
• Paid time off increases with tenure
• Additional perks such as on‑site lunches, gym, EV charging (compatible with all EVs)

The company is an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.