Founding Engineer (Full Stack)

ABOUT THE ROLE Join an early-stage AI/ML startup tackling one of construction's most challenging problems: automating blueprint reading, cost estimation, and material takeoffs. The team raised a seed round from top-tier VCs before demo day and is deeply customer-obsessed. You'll be among the first engineers, owning the full stack and helping shape the product from the ground up. WHAT YOU'LL DO - Build beautiful, intuitive UIs that surface computer vision model outputs to end users - Work with geometries, streaming data, and design complex user interactions - Ship initial prototypes quickly, then iterate based on direct user feedback - Collaborate closely with founders and customers to drive product direction WHAT WE'RE LOOKING FOR Required: - Strong frontend experience, particularly with React and TypeScript - Proven full-stack ability — comfortable building 0-to-1 across the entire stack - Track record of shipping real products used or paid for by real users - Deep problem-solving skills, especially in open-ended, math-oriented contexts - Strong communication skills emphasizing empathy and honesty - Bachelor's degree in Computer Science or related technical field (exceptional portfolio considered in lieu) - Experience as an early employee or founding engineer at a startup - Willingness to work fully in-person in San Francisco 5 days per week Nice to Have: - Proficiency in Python - Experience in or with the construction industry (e.g. Autodesk, PDF workflows, real estate) - Prior founder experience or something you've built that people used or paid for COMPENSATION & BENEFITS - Salary: $100,000 – $180,000 USD annually, depending on experience - Equity in an early-stage, venture-backed company - Direct impact on a product solving a real, large-scale industry problem Note: Visa sponsorship is not available for this role. LOCATION San Francisco, CA — fully on-site, 5 days per week. Candidates must be SF-based or willing to relocate.