Senior Frontend Engineer: TypeScript, React & GraphQL (Hybrid Porto)

KWAN is seeking a senior frontend developer based in Porto to lead the design, development and delivery of scalable, responsive features for the Business Account portal using React, TypeScript, and GraphQL. You will own frontend implementation and integration with backend services.

Collaborate with product and design to translate merchant needs into secure, end-to-end experiences backed by reliable APIs, including multi-currency views and SCA flows.