The incidence of app-based gig work is expanding rapidly in developed global north countries. Many app-based gig workers are migrants from developing global south countries searching for a better life in their resettlement countries. App-based gig work, however, is insecure, irregular and potentially precarious. Access to decent work is vital for migrants' integration after resettlement and also their career development. In the context of the decent work agenda, this article explores the intersections of migration, app-based gig work, and southern migrants' career development in the global north and considers the implications for career practice and research.