Senior Software Engineer (Full Stack)

Our client, a rapidly growing Series B B2B SaaS startup, is transforming the construction industry with AI-powered HR, finance, and operations software. Backed by over $50M from leading investors, the company is building the operating system for contractors managing critical infrastructure projects and has quickly grown to thousands of customers and tens of millions in ARR. They're looking for a Senior Software Engineer to build and scale core product features used by real customers. You'll own projects end-to-end—from technical design and architecture to deployment and customer feedback—while working alongside a highly talented, AI-native engineering team in a fast-paced, collaborative environment. Key Responsibilities Design, build, and ship scalable full-stack products and systems. Lead technical design, architecture, and implementation of complex features. Collaborate closely with Product, Design, and Engineering to shape product direction. Build modern frontend applications, backend APIs, and core platform services. Write technical design documents and participate in thoughtful code reviews. Work directly with customers to understand pain points and deliver impactful solutions. Improve engineering quality, scalability, and developer experience. Technology Stack: TypeScript, React, React Native, Node.js, Express, MongoDB, Render, Stripe, Check