Backend Engineer (m/f/d)

Schwarz Digits; Barcelona; Presencial; EUR 70.000 - 110.000; Jornada completa

Descripción de la vacante

Schwarz Digits is seeking a senior .NET developer to build scalable software with a focus on distributed systems, microservices, and cloud deployments. You will own architectural decisions and contribute to quality through tests and PR reviews, collaborating with cross-functional teams including React Native developers.

5+ years of .NET experience and English fluency are required; MVNO/MVNE telco knowledge is a plus.

Formación

• Must have strong OO software development with deep knowledge of the .NET ecosystem (.NET 6 or above).
• Experience with cloud-native development and Kubernetes is required.
• Strong knowledge of microservices architectures and message brokers (Kafka, RabbitMQ).
• Proficient with MongoDB (NoSQL) and SQL databases.
• Experience with unit and integration tests and CI/CD pipelines.
• Strong observability skills (OpenTelemetry, Prometheus, Grafana).
• Fluent English for technical discussions.
• 5+ years of experience as a .NET Developer.
• Telco domain knowledge in MVNO/MVNE is a plus.
• Nice-to-have: DDD, vertical slicing, MongoDB, Typescript, React.

Responsabilidades

• Build high-quality, scalable software using .NET and DDD principles.
• Own the architecture and operations of complex distributed systems and microservices.
• Hands-on work with Kubernetes and cloud deployments.
• Contribute to code quality via PR reviews and strong testing practices.
• Collaborate in cross-functional teams including designers, data analysts, and product managers.
• Coordinate API and payload contracts with React Native feature teams.

Descripción del empleo

Schwarz Digits creates the technological foundation for digital sovereignty in Europe. As the IT and digital division of the Schwarz Group, we develop and manage the IT infrastructures for the retail divisions Lidl and Kaufland, as well as Schwarz Production and PreZero.

Join us and contribute to digital sovereignty in Europe. With us, you will work at the intersection of agility and security: You will benefit from fast decision-making processes, enjoy genuine creative freedom in your projects, and be able to build upon the stable foundation of the Schwarz Group.

Your Tasks:

• Technical Excellence: Build high-quality, scalable software using .NET, SOLID principles, and Domain-Driven Design (DDD).
• Global Ownership: Embrace the "You build it, you run it" philosophy, caring for the product as a whole rather than just your individual tickets.
• Architecture & Ops: Design and manage complex distributed systems and microservices while being hands-on with Kubernetes and cloud deployments.
• Code Quality: Provide value through conscientious analysis and Pull Request Reviews to maintain a clean codebase.
• Agile Collaboration: Work in cross-functional teams, collaborating closely with developers, designers, data analysts, QA engineers, tech leads, product managers and product owners
• Mobile App Syncing: Coordinate exact API and payload contract boundaries with React Native feature teams.

Your profile:

• Seniority in .NET: Proven experience in object-oriented software development with deep knowledge of the .NET ecosystem (.NET 6 or above).
• Cloud & Infrastructure: Proven experience in Cloud development (GCP is a plus) and managing workloads in Kubernetes.
• Microservices: Advanced knowledge of distributed architectures and message brokers like Kafka or RabbitMQ.
• Database Expertise: Proven experience with MongoDB (NoSQL) and SQL databases.
• Testing & CI/CD: Strong habit of creating Unit and Integration tests and managing CI/CD pipelines.
• Observability: Experience with open telemetry, prometheus and grafana.
• Languages: Proficiency in English is required to engage in technical discussions.
• 5+ years of experience as a .NET Developer.
• Telco Domain Knowledge: Previous engineering experience within an MVNO / MVNE will be a plus
• The following skills would be a plus: Experience in DDD, vertical slicing architecture, MongoDB, Typescript, React

• Reference no. 48326 Stiftsbergstraße 1
• 74172 Neckarsulm, Germany