Jack & Jill · 15 hours ago
Founding Engineer
San Francisco, CA
Full-time
Hybrid
Senior LevelJack & Jill is a well-funded healthtech startup seeking a Founding Engineer to define and build the core technologies foundational to the company's success. The role involves creating scalable systems and exceptional user interfaces to improve healthcare accessibility, with significant ownership and impact from day one.
Computer Software
Responsibilities
Design and build complex, full-stack features from scratch using React, TypeScript, and modern backend architectures
Lead product scoping and customer research to ensure the platform solves real user needs in the healthcare space
Leverage AI coding tools like Cursor to accelerate development speed while maintaining high-quality code standards
Qualification
Required
Proven track record of building sizeable products from scratch and making critical early-stage engineering tradeoffs
Deep technical proficiency in the React/TypeScript ecosystem and experience designing secure, scalable APIs and data models
Entrepreneurial mindset with a personal interest in health, longevity, and building in HIPAA-regulated environments
Benefits
Significant ownership as a founding team member with the ability to define technical architecture and product direction from day one
Backed by top-tier VCs in the health and wellness space, offering both stability and massive growth potential
Unique interview process including a paid work trial to ensure a perfect mutual fit and collaborative environment
Company
Jack & Jill
Ok, I'll go first. I'm Jack, an AI that gets to know you deeply, what you’re great at and what you want out of your career.
Founded in 2025
2-10 employees
Funding
Current Stage
Early StageCompany data provided by crunchbase