Founding Software Engineer

About the job

ABOUT THE ROLE A well-funded, seed-stage B2B SaaS startup in the supply chain integrations space is looking for a Founding Software Engineer to help shape the architecture, culture, and product direction of an agentic integrations platform. This is a high-ownership role where you'll work across the full stack and have a direct impact on the company's trajectory from day one. WHAT YOU'LL DO - Build and evolve the integrations platform — including mapping, testing, retries, queues, observability, and the full infrastructure layer. - Work across the entire stack: frontend (TypeScript, React), backend (Node.js), infrastructure (AWS), and LLM/agentic workflows. - Own projects end-to-end, from…