Senior Director, Applied ML & Production Systems

hims-and-hers; United States; Remote; USD 260,000 - 420,000; Full time

Job summary

hims-and-hers is seeking a senior leader to direct applied machine learning across our consumer health platform, owning both LLM-powered services and bespoke models used in clinical intake, provider support, personalization, and operations. This builder-oriented role blends technical strategy with people leadership, shaping multi-year AI roadmaps and investment decisions.

You will lead a cross-functional team of ML engineers, applied scientists, and production engineers, driving production-grade

Qualifications

• 14+ years of experience in machine learning and software engineering.
• 8+ years leading ML teams and managing managers or senior tech leads.
• Track record of shipping ML-powered products to production.
• Hands-on expertise with prompting, retrieval-augmented generation, fine-tuning, and tool-calling.
• Experience training and deploying deep learning models where quality affects outcomes.
• Strong software architecture judgment covering service boundaries, data flow, failure modes, and cost.
• Experience balancing quality, latency, cost, and ops complexity, and communicating tradeoffs to non-technical partners.
• Comfort operating with ambiguity, delivering high-value shipped systems with measurable impact.
• Excellent communication skills with the ability to influence peers, executives, and clinical stakeholders.

Responsibilities

• Lead and scale ML org from problem framing to production operation.
• Set strategy for frontier LLMs: prompts, retrieval, tools, latency, and cost.
• Design guardrails and deterministic scaffolding for auditable outputs inside product workflows.
• Direct development of in-house DL and classical ML models, incl. recommendations surfaced to providers.
• Establish production standards: SLOs for accuracy, latency, and cost; rollout strategy; ownership.
• Partner with clinical, security, legal, compliance, product, data science, and engineering teams to scope ML work.
• Build hiring, leveling, and mentorship practices for senior ICs and managers.

Skills

Leadership

Strategic thinking

Communication

Stakeholder management

Ambiguity tolerance

Tools

LLM techniques

Prompting

Retrieval-augmented generation

Fine-tuning

Tool-calling architectures

Job description

hims-and-hers is seeking a senior leader to direct applied machine learning across our consumer health platform, owning both LLM-powered services and bespoke models used in clinical intake, provider support, personalization, and operations. This builder-oriented role blends technical strategy with people leadership, shaping multi-year AI roadmaps and investment decisions.

You will lead a cross-functional team of ML engineers, applied scientists, and production engineers, driving production-grade