Hims & Hers
Sr. Director of Machine Learning
$330K–$360K
US - Remote · Remote · Director · Full-time · Posted Sep 29, 2026
- Experience
- 14+ years in machine learning and software engineering, including 8+ years leading ML teams; experience managing managers or senior tech leads.
About the job
Leads teams building and operating LLM-powered services and custom machine-learning models for clinical, personalization, recommendation, and operational workflows.
What you'll do
- Lead and grow ML teams, set technical direction, and deliver AI services from problem framing through production operation.
- Own LLM application strategy and production standards, including orchestration, evaluation, reliability, safety, latency, and cost.
- Direct custom ML development and partner across clinical, product, infrastructure, and other teams to ensure appropriate validation and measurable impact.
What they ask for
- 14+ years of experience in machine learning and software engineering, including 8+ years leading ML teams and experience managing managers or senior tech leads.
- Track record shipping ML-powered products to production at scale and owning them operationally.
- Depth in modern LLM application development, including RAG, prompt engineering, fine-tuning and adaptation, evaluation, and agent and tool-calling architectures.
- Experience training and deploying deep learning models and strong software architecture judgment.
Nice to have
- Experience in healthcare, digital health, another regulated domain, or safety-critical ML systems.
- Experience with clinical decision support, clinical NLP, or ML systems where a human expert is the end user.
Pay
$330K – $360K (base salary)
Tools
LLMs, RAG, deep learning, classical ML
AI focus
Leads development of LLM-powered clinical and operational services, custom deep learning and classical ML models, and systems for evaluation, reliability, and human oversight.
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