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