Senior Backend API Engineer — SDUI for Flutter

TurnKey Tech Staffing seeks an experienced backend developer located in Argentina to lead the design and operation of SDUI APIs for Flutter clients. The ideal candidate will have over 7 years of experience building production microservices and APIs, with a strong expertise in TypeScript and a solid understanding of AWS services.

This role involves improving service reliability, mentoring team members, and collaborating with design and engineering teams. Advanced English proficiency is required, and adaptable PTO is offered.