Job Description
Our client, a leader in mobile payment systems, is seeking a Senior Fullstack Frontend Engineer to own and solve complex frontend challenges in connected payments. You will contribute to a major payments platform used by over 27 million monthly active users and supporting $100 billion in transaction volume, ensuring reliability, performance, and quality across the web experience.
This role is an opportunity to take technical ownership of mission-critical frontend systems, work across the full stack with when needed, and improve testing and observability practices using Jest and React Testing Library.
Responsibilities
- Design and develop React-based web applications and UI components for a high-scale payments platform
- Build and maintain unit and functional tests using Jest and React Testing Library
- Debug client-side issues and trace problems across the web application stack, including server-side logs
- Diagnose and resolve produc...
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Submit ApplicationJob Details
- Location Argentina, Argentina
- Job Type Full-time
- Category Other-General
- Posted Date February 24, 2026
- Application Deadline April 05, 2026