Senior Full-Stack Engineer: Backend Core + Admin Dashboard

Codup is seeking a Senior Full Stack Engineer to join a mobile product delivery engagement. You will own the middleware layer that connects a mobile commerce platform to multiple integrated services, and you will build a web‑based admin dashboard for the marketing team.

Ideal candidates have 5+ years in full‑stack development, at least 4 years of production Node.js experience, and proven work on multi‑platform integrations with complex data flows.