Principal Engineer, Applied AI (Fullstack/Backend)
Hims & Hers · Remote · US Remote ·
COMPENSATION
$290k – $330k
Listed on the employer's job board (Ashby)
- Principal Engineer level
- Fully remote work
- Applied AI focus
- Backend & Fullstack
- 15+ years experience
Join the Applied AI team at Hims & Hers to transform how patient care is delivered through technology. As a Principal Engineer, you will bridge the gap between rapid research experimentation and production-grade reliability, owning the end-to-end service architecture.
You will design systems that handle intake and ongoing care companionship, ensuring they are debuggable, scalable, and resilient. This hands-on leadership role involves mentoring senior engineers and defining technical standards for the organization.
What you'll do
- Own the overall architecture for the Applied AI stack and patient-facing services
- Productionize AI-driven experiments by hardening them for uptime and scale
- Instill best practices for debugging, observability, and operational readiness
- Mentor senior technical leaders and elevate engineering capabilities
- Navigate ambiguity to clarify direction and remove organizational blockers
- Translate customer needs into scalable technical solutions and patterns
- Design systems to support sustainable growth and non-functional priorities
What you'll need
- 15+ years of software engineering experience with architectural expertise
- Proven track record of delivering production systems at scale
- Deep experience owning service architecture across a full stack
- Ability to balance robustness, scalability, and debuggability from day one
- Comfortable acting as a counterweight to fast-moving research cultures
- Hands-on engineering ability with desire to stay close to code
- Some exposure to LLM or AI-powered systems in a professional capacity
- Strong communication skills for partnering with research and product teams
Stack
- LLM
- AI services
How you'll work
- Fully remote work approach
- Flexible work environment
What you get
- Talent-first culture
- Focus on wellness and belonging
- Reasonable accommodations provided