Winid is seeking a Senior Full Stack Engineer in Madrid to join an international team building a large-scale Saa S platform. You will work across backend with Node.Js/Type Script and frontend with React, shaping architecture and owning features from design through deployment. The role emphasizes technical leadership, product thinking and collaboration with Product Managers in a hybrid in-office/remote setup. Fluent English is required to collaborate with international teams. #J-18808-Ljbffr