Principal Engineer, Applied AI – Fullstack/Backend

hims & hers

Principal Engineer architecting scalable, reliable AI-powered patient experiences for Hims & Hers healthcare platform. Productionizing research systems across the full stack while mentoring senior engineering leaders.

Posted 9/9/2026full-timeRemote • 🇺🇸 United StatesLead💰 $290,000 - $330,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates deep architectural expertise in designing scalable and reliable systems, with a focus on productionization and operational readiness. Proven ability to mentor technical leaders and influence cross-organizational technical strategy while balancing immediate delivery with long-term architectural goals.

Highest-signal resume keywords

Architectural ExpertiseProduction Systems DeliveryService Architecture OwnershipAI-Powered Systems ExposureStrong Communication Skills

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Software EngineeringSystem DesignDebugging Best PracticesObservabilityReliability EngineeringProductionization MindsetFull Stack DevelopmentTechnical Strategy InfluenceScalability DesignService Uptime Management

Soft Skills

CollaborationMentoringLeadershipProblem-SolvingCommunication

Industry Keywords

Applied AIPatient-Facing ExperienceTechnical InitiativesOrganizational BlockersCustomer Needs TranslationSustainable GrowthClinical StakeholdersImmigration Sponsorship

About the role

Key responsibilities & impact

Own the overall architecture for the Applied AI stack and patient-facing experience from intake through ongoing companion interactions
Partner with research-focused teammates to productionize AI-driven experiences
Harden services for uptime, reliability, and scale
Establish best practices for debugging, observability, and operational readiness
Design systems for robustness and scalability from day one
Mentor senior technical leaders and elevate engineering capabilities across the organization
Lead through complexity and ambiguity, remove organizational blockers, and accelerate strategic initiatives
Translate customer needs and product goals into scalable technical solutions
Define architectural principles and patterns centered on customer needs
Design systems and team boundaries for sustainable growth
Drive early investment in observability, migrations, and reliability

Requirements

What you’ll need

15+ years of professional software engineering experience
Deep architectural expertise and a record of delivering production systems at scale
Proven track record influencing technical strategy and delivering cross-org technical initiatives at group or organizational level
Experience standing up services at scale in production
Deep experience owning service architecture across a full stack
Productionization mindset focused on uptime and reliability
Hands-on engineering ability and close involvement with code and architecture
Some exposure to LLM/AI services or AI-powered systems
Ability to balance near-term delivery with durable architecture
Strong communication and collaboration skills across research, product, and clinical stakeholders
Legally authorized to work in the U.S. without restriction for any employer
Must indicate whether immigration sponsorship will be required

Benefits

Comp & perks

Equity grant may be included as part of the Total Rewards package
Flexible/remote work approach
Reasonable accommodations for qualified individuals with disabilities and disabled veterans
Comprehensive Total Rewards package may be available