Senior/Staff - Backend Engineer - remote friendly

Senior/Staff Backend Engineer at Qonto in Barcelona, Spain. **What you'll do** - Design, build, and maintain services handling real financial transactions with high reliability. - Co-own service architecture, resilience, and scalability using Domain-Driven Design. - Lead design discussions and mentor less experienced engineers. - Drive continuous improvement through post-mortems and CI fixes. **What they're looking for** - Experience with Go and Ruby in a Kubernetes and AWS environment. - Strong understanding of event-driven architecture using Kafka. - Ability to own reliability in production for real-time banking services. **Details** - Location: Barcelona, Spain (Remote) - Type: Full-time