Staff / Senior Software Engineer

About Mandrel Mandrel is building the AI-native ERP for physical goods. Today, our wedge is simple and painful: true, auditable gross margin by SKU and channel, tied to real supply-chain source of truth documents. Founded in 2023, Mandrel has raised over $12M top-tier investors like Lux Capital, Construct Capital, Zigg Capital, Asymmetric Capital Partners, WndrCo, and Clocktower Ventures. The team is headquartered in New York and brings deep expertise in finance and AI. About this role We’re hiring a highly motivated Staff / Senior Software Engineer to join our team in New York. and collaborate across engineering, product, and customer teams to scale our core platform. You will own critical architecture decisions, drive technical standards, and ship high-impact systems end-to-end—from initial concept and prototypes to reliable, production-ready features. This is a deeply autonomous role where you will shape both the product and the underlying engineering foundation. What You'll Do - Design, develop, test and deploy systems that automate key finance workflows and transform data into real-time financial insights for our brands. - Define and contribute to the technical roadmap, working with customers and the internal team translate requirements into scalable architectures and identify opportunities for improvement - Develop and refine AI-powered data pipelines for extracting, classifying, and linking unstructured data from a variety of operations and finance data sources, including supply chain documentation - Architect and implement real-time data synchronization systems using GraphQL subscriptions, WebSockets, and PubSub to keep data instantly updated across all users - Design multi-tenant enterprise features for procurement, inventory, and accounting automation with organization-level data isolation - Build sophisticated integration layers connecting ecommerce platforms (Shopify, Amazon), warehouse platforms, financial software (Bill, QuickBooks), logistics provider