We need someone who can build onboarding flows and backend architecture in the same week. Not a frontend dev. Not a backend architect. Someone who owns the platform — design system to database. The role Lead Full Stack Platform Engineer (React · Node.js · AWS · Bootstrap Design System). Remote. Full-time or contract. What you will own ▸ Bootstrap theme governance — one shared CSS file, no drift, Figma-to-code discipline ▸ React frontend — component libraries, Core Web Vitals, onboarding flows, dashboards ▸ Node.js backend — API architecture, microservices, event-driven systems, WebSockets ▸ Data layer — schema design, ETL pipelines, sub-20ms query performance ▸ Platform reliability — auth, RBAC, monitoring, auto-scaling, security ▸ AI-assisted development — using Cursor, Copilot, and Claude effectively with engineering judgment What you must bring ✔ 5 years React in production — including design system and component library ownership ✔ 5 years Node.js building scalable APIs and backend...