Description
We are seeking a Sr. Director of Machine Learning to lead the teams building AI services at the core of the Hims & Hers experience.
This leader owns the applied side of our AI portfolio: LLM-powered services handling clinical intake, provider support, personalization, and operational workflows, as well as in-house deep learning models driving recommendations and predictions.
Responsibilities:
- Lead and grow ML engineers, applied scientists, and ML production engineers building AI services end-to-end.
- Own the strategy for building on top of frontier LLMs.
- Drive the design of harnesses and glue around LLM calls.
- Direct development of in-house deep learning and classical ML models.
- Set the bar for how AI services are productionized.
- Partner with Clinical and Medical Affairs to ensure clinically-facing models are developed with oversight.
- Establish engineering and scientific standards across the team.
- Build the team's hiring, leveling, and mentorship practices.
Requirements:
- 14+ years of experience in machine learning and software engineering.
- A track record of shipping ML-powered products to production at scale.
- Depth in understanding modern LLM application development.
- Real experience training and deploying deep learning models.
- Strong software architecture judgment.
- Experience balancing model quality against latency, cost, and operational complexity.
- Excellent communication skills.
Benefits:
- Comprehensive Total Rewards package.
- Equity grant.
- Flexible/remote work approach.