Founding Software Engineer - Full Stack

Founding Software Engineer (Full Stack)New York, NY (Hybrid)$200,000 - $240,000 Base + Significant Equity$3+ million in fundingEarly stage hire - 5 current staffEquity expected to ~5x in ~5 months post-closeHiring 3–4 engineers in the next two monthsLaunched 7 months ago and already 25 customers liveEven in the present day most high-growth brands still run critical parts of their wholesale operations through spreadsheets, emails, PDFs, and manual processes.The result is complexity, inefficiency, and thousands of hours spent moving information between systems.Our client is building an AI-native platform that will change that by automating the entire order-to-cash lifecycle, giving operators the tools and intelligence to manage wholesale operations with dramatically less manual work.The company is still in its earliest chapter but that's exciting right?They are looking for a couple of Founding Engineers to join a team of five people. Customers are already live. Significant transaction volume is flowing through the platform. Growth is accelerating so this isn't a hire driven by speculation, it is driven by demand.The OpportunityNo messing about, in this role you'll be helping define the product, architecture, and engineering culture from the ground up.As a Founding Engineer, you'll work directly with customers, identify problems worth solving, design solutions, and ship them into production.There is variety because one day you might be building APIs and event-driven workflows. Next, you could be designing customer-facing experiences, integrating external systems, or improving the infrastructure for autonomous workflowsWhat Makes This Role DifferentThe real challenge isn't building AI.It's building everything around it - Infrastructure, integrations, reliability, visibilityThat's where you'll spend your time.Not building demos but building software that customers rely on every dayWhat We're Looking ForEssential5+ years of software engineering experience (proficiency in TypeScript, Node, and Postgres)Strong full stack development experience (Back End most important, Front end less)Depth in queues/streams and cloud platforms (AWS/GCP)Strong understanding of backend systems, APIs, and data modellingAbility to take products from concept through to productionNice To HaveExperience building integrations with third-party platformsExposure to logistics, operations, supply chain, commerce, or fintech productsExperience working in early-stage startupsFamiliarity with event-driven architectures and distributed systemsExperience building internal tooling, workflow systems, or operational platformsTechnology EnvironmentReact • TypeScript • Node.js • PostgreSQL • AWS • GCP • Event-Driven Systems • APIs • Workflow AutomationIf you're the kind of engineer who enjoys building from scratch, thrives in high-ownership environments, and wants to help create a category-defining product from day one, we'd love to hear from you.