Overview In this role you build and scale high-quality software within a security-conscious, agile environment. You own end-to-end execution—from development to running in production—and work across cross-functional teams to deliver cloud-native, microservices-based systems. You will shape architecture, align API contracts with mobile teams, and continuously improve code quality and observability.

This position offers impact through integral ownership and collaboration with stakeholders to advance digital sovereignty in Europe.

Responsabilidades

- Build scalable software using .NET, SOLID principles, and DDD
- Own the product end-to-end under a You build it, you run it philosophy
- Design and operate distributed microservices, Kubernetes, and cloud deployments
- Maintain code quality via thoughtful PR reviews and testing
- Collaborate in cross-functional teams with designers, data analysts, QA, tech leads, PMs,



and product owners
- Coordinate API and payload contracts with React Native teams

Requisitos principales
- 5+ years of .NET development experience
- Proven cloud development experience and Kubernetes workloads
- Advanced knowledge of distributed architectures and message brokers (Kafka or RabbitMQ)
- Experience with MongoDB and SQL databases
- Strong unit and integration testing practice and CI/CD pipelines
- Experience with OpenTelemetry, Prometheus, and Grafana
- English proficiency for technical discussions
- MVNO/MVNE engineering experience is a plus
- collaborative mindset
- proactive problem-solving
- strong communication
- .NET 6+
- Domain-Driven Design (DDD)
- Microservices architecture

📌 Backend Engineer (m/f/d) (Barcelona)
🏢 Schwarz Gruppe
📍 Barcelona