StartupFuel is a venture intelligence company that has built DiligenceGPTâ¢, an AI-powered platform used by venture capital and private market investors to streamline deal flow management, and due diligence, enabling faster, more consistent, and better-informed investment decisions across early and growth-stage companies.StartupFuel is hiring a Full-Stack Software Engineer to build and scale the SaaS platform behind DiligenceGPTâ¢. This role focuses on the product, platform, and infrastructure layer that powers AI-driven workflows. You will build the systems that allow investors to securely interact with AI outputs, documents, and data.

You will work closely with AI engineers to integrate agent outputs into dashboards, workflows, and enterprise-grade features. The emphasis is on clean architecture, performance, and reliability. Build and maintain full-stack features using the MERN stack (MongoDB, Express, React, Node.js)



Tailwind CSS for design Design efficient MongoDB schemas, indexes, and data models Debug production issues and optimize performance Collaborate on system design, architecture, and technical decisions Strong experience with JavaScript / TypeScript Hands-on experience with Node.js & Express Solid knowledge of React (hooks, state management, component architecture) Understanding of async programming, promises, and event-driven systems Experience with Docker and basic deployment workflows Experience working in early-stage startups Close collaboration with AI engineers shipping LLM features Exposure to enterprise customers and investor workflows Explicit growth path with increasing technical ownership

📌 Frontend or Full-Stack Software Engineer (Toronto)
🏢 StartupFuel
📍 Toronto