Hims & Hers is the leading health and wellness platform, on a mission to help the world feel great through the power of better health. We are redefining healthcare by putting the customer first and delivering access to care that is affordable, accessible, and personal, from diagnosis to treatment to delivery. No two people are the same, so we provide access to personalized care designed for results. By normalizing health & wellness challenges and innovating on their solutions, we’re making better health outcomes easier to achieve.
Hims & Hers is a public company, traded on the NYSE under the ticker symbol “HIMS.” To learn more about the brand and offerings, you can visit hims.com/about and hims.com/how-it-works . For information on the company’s outstanding benefits, culture, and its talent-first flexible/remote work approach, see below and visit www.hims.com/careers-professionals.
About the Role:How can we use data to build systems that enable access to significantly better health care? In this role as Sr. Staff Machine Learning Engineer, you will define and lead the architecture and development of large-scale, foundational machine learning systems that power care personalization, treatment intelligence, and automation at scale. Your work will directly shape MedMatch—our AI-powered system—by owning the architecture and direction of key ML components, enhancing provider-patient interactions, optimizing treatment recommendations, and expanding into new verticals.
You Will:Own and drive architectural decisions for ML and LLM models for treatment recommendation, personalization, and intelligent care delivery
Work extensively with Python and ML libraries like PyTorch to build, optimize, and scale complex model pipelines
Write and review high-quality, production-ready code supporting high-impact, cross-team ML systems
Partner with engineers and product leadership to align ML development with strategic priorities
Architect a robust ML infrastructure to enable streamlined training, evaluation, deployment, and monitoring
Drive the adoption of new ML technologies and practices, contributing to long-term group-level technical maturity
Mentor senior and staff-level engineers across multiple squads, guiding system-level thinking and best practices
Champion a culture of scalable system design, engineering rigor, and customer-first innovation
8+ years of experience in Machine Learning and/or Engineering, with a track record of technical leadership and ML system architecture
Expert-level proficiency in Python and advanced ML frameworks such as PyTorch, TensorFlow
Demonstrated success in architecting and maintaining ML platforms at scale across teams or business units
Deep experience in LLMs and NLP, including transformer models, summarization, and chatbot applications
Advanced understanding of ML infrastructure, including continuous training, real-time inference, and operational reliability
Experience with ML infrastructure tools (e.g., Databricks, MLFlow, AWS SageMaker)
A Master’s degree or PhD in Computer Science, Machine Learning, or a related field (not strictly required)
Exceptional communication and cross-org leadership skills, with the ability to align diverse stakeholders around ML strategy
Competitive salary & equity compensation for full-time roles
Unlimited PTO, company holidays, and quarterly mental health days
Comprehensive health benefits including medical, dental & vision, and parental leave
Employee Stock Purchase Program (ESPP)
401k benefits with employer matching contribution
Offsite team retreats
We are committed to building a workforce that reflects diverse perspectives and prioritizes ethics, wellness, and a strong sense of belonging. If you're excited about this role, we encourage you to apply—even if you're not sure if your background or experience is a perfect match.
Hims considers all qualified applicants for employment, including applicants with arrest or conviction records, in accordance with the San Francisco Fair Chance Ordinance, the Los Angeles County Fair Chance Ordinance, the California Fair Chance Act, and any similar state or local fair chance laws.
It is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Hims & Hers is committed to providing reasonable accommodations for qualified individuals with disabilities and disabled veterans in our job application procedures. If you need assistance or an accommodation due to a disability, please contact us at [email protected] and describe the needed accommodation. Your privacy is important to us, and any information you share will only be used for the legitimate purpose of considering your request for accommodation. Hims & Hers gives consideration to all qualified applicants without regard to any protected status, including disability. Please do not send resumes to this email address.
To learn more about how we collect, use, retain, and disclose Personal Information, please visit our Global Candidate Privacy Statement.
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What We Do
Hims and Hers offers a modern approach to health and wellness. Our mission is to eliminate stigmas and make it easier for people to access care and treatment for the conditions that impact their daily lives. That starts with creating an open and honest culture of care that is accessible for everyone, no matter who you are or where you live.
Why Work With Us
Our mission is to make it easier for people to access care and treatment for the conditions that impact their day-to-day lives, whether that involves finding the right birth control, addressing hair loss or skincare issues, or treating low libido. We’re searching for talented, high-performing, and passionate people to join our growing team!
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