Senior Backend-Heavy Full-Stack Engineer (Remote)

Smart Working is seeking a Senior Backend‑Heavy Full‑Stack Engineer to own backend development for the SmartEarn platform integration. You will build Node.js/TypeScript APIs, handle real‑time transaction tracking and reward workflows, and periodically support React Native interfaces and a Next.js portal.

You will work in a fast-paced startup, architect end‑to‑end solutions, ensure transactional accuracy, and ship frequently with robust financial logic in a remote‑first setup.