Founding Full Stack Engineer

ABOUT THE ROLE Join an early-stage consumer health and ecommerce company as its founding full stack engineer. You will own engineering across a consumer membership platform, internal operations, and data infrastructure, helping bring new digital products to customers. WHAT YOU'LL DO - Build and maintain a consumer membership web application using Shopify and Recharge. - Improve storefront speed and application performance, including bundle size and third-party scripts. - Manage tracking, consent tools, and data handling to support privacy compliance. - Make decisions about architecture, databases, security, technology choices, and vendors. - Lead development of a consumer-facing React Native app, with an iOS-first focus. - Build and operate LLM-powered agents and internal tools with monitoring, evaluations, and human oversight where appropriate. - Create scripts, automations, and workflows that reduce manual work across the business. - Work directly with leadership on high-priority product and infrastructure needs. WHAT WE'RE LOOKING FOR - At least 5 years of full stack engineering experience, including shipping consumer products to production. - Strong proficiency in TypeScript and React, plus production experience with Python or Node.js. - Hands-on experience with Shopify and Recharge, and a record of optimizing web application performance. - Experience building consumer-facing React Native applications, preferably with an iOS-first approach. - Knowledge of architectural and security decisions, privacy compliance, and consent management. - Experience with AI tools or production automation is valuable, especially LLM agents with monitoring and evaluation practices. - A bachelor's degree in engineering, computer science, mathematics, or a related field, or equivalent experience shipping software products. COMPENSATION & BENEFITS Salary range: $130,000 to $200,000 USD annually. Visa sponsorship is not available. LOCATION On-site in San Francisco, California, United States.