Staff Software Engineer, Backend

This position is posted by Jobgether on behalf of a partner company. We are currently looking for a Staff Software Engineer, Backend in Spain.

This role sits at the core of a global payments infrastructure platform, where you will help design and scale the backend systems that power high-volume, mission-critical financial transactions. You will operate at staff level, shaping technical direction across multiple engineering teams while remaining deeply hands-on in system design and implementation. The work focuses on building resilient distributed systems that support complex third-party integrations and ensure reliability, performance, and clarity across the payments ecosystem. You will act as a key technical authority for partner connectivity and backend architecture, influencing decisions that directly impact product scalability and merchant success. This is a remote-first environment where collaboration, autonomy, and strong engineering judgment are es...