Founding Software Engineer

ABOUT THE ROLE Join an early-stage B2B AI team building software that helps large organizations manage supplier agreements and enterprise spending. As a founding engineer, you will shape the product and technical direction while delivering systems that address complex data challenges and create measurable business impact. WHAT YOU'LL DO - Build and ship full-stack product features end to end as a core member of the engineering team. - Develop systems that reconcile negotiated supplier terms with purchasing and invoice data at scale. - Make product and technical decisions that influence the company's direction from an early stage. - Work directly with enterprise customers to understand their needs and deliver practical solutions. - Contribute to AI and LLM systems that help organizations identify savings and resolve discrepancies. WHAT WE'RE LOOKING FOR - Two to eight years of full-time software engineering experience, with backend or full-stack product experience. - Experience shipping end-to-end B2B software products and working with enterprise customers. - Strong skills in full-stack development, including Python, TypeScript, React, and experience with AI, machine learning, or LLM systems. - Experience at a reputable technology company or venture-backed startup, with a track record of building products and taking ownership. - Interest in early-stage company building and solving complex data problems in enterprise spending, procurement, supply chains, or related areas. COMPENSATION & BENEFITS Base salary: $200,000 to $250,000 annually. Visa sponsorship is available. LOCATION On-site in San Francisco, California, United States.