> Markdown version of [/jobs/ext/1605128-backend-engineer](https://www.wearedevelopers.com/jobs/ext/1605128-backend-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Backend Engineer

- **Company:** Schwarz Gruppe
- **Location:** Barcelona, Spain
- **Contract:** Permanent contract
- **Skills:** .NET Framework, Application Programming Interfaces (APIs), Cloud Engineering, Software Quality, Continuous Integration, Distributed Systems, Message Broker, MongoDB, Mobile Virtual Network Operator, RabbitMQ, Prometheus, SQL Databases, Grafana, Backend, Integration Tests, Solid Principles, Kubernetes, Apache Kafka, React Native, Domain Driven Development, Api Management, Microservices
- **Published:** July 31, 2026
- **Apply:** https://www.buscojobs.com.es/backend-engineer-m-f-d-en-barcelona-ID-364231368

## About the Role

NET Developer, you will build high-quality, scalable software using .
NET, SOLID principles, and DDD within a cloud-native, microservices context.
You own the product end-to-end, collaborating across cross-functional teams to design, deploy, and operate distributed systems on Kubernetes.
You'll ensure code quality through thoughtful reviews and testing, while aligning API contracts with React Native teams.
This role blends agility with strong security and offers impact on digital sovereignty initiatives.Compensaciones / Beneficios* Build high-quality, scalable software using .
NET, SOLID principles, and DDD* Own the product end-to-end beyond individual tickets* Design and manage complex distributed systems and microservices on Kubernetes and in the cloud* Maintain code quality via PR reviews and conscientious analysis* Collaborate in cross-functional teams with developers, designers, data analysts, QA engineers, tech leads, product managers and product owners* Coordinate API and payload contract boundaries with React Native feature teamsResponsabilidades* 5+ years of experience as a .
NET Developer* Proven experience with .
NET 6 or above* Cloud development experience (GCP a plus) xqbhyrx and Kubernetes* Advanced knowledge of distributed architectures and message brokers (Kafka or RabbitMQ)* Experience with MongoDB and SQL databases* Strong testing discipline (Unit and Integration tests) and CI/CD* Experience with OpenTelemetry, Prometheus, and Grafana* English proficiency for technical discussions* Telco domain knowledge in MVNO/MVNE is a plusRequisitos principales*

## Description

Experteer Overview No deje pasar esta oportunidad, inscríbase rápidamente si su experiencia y habilidades coinciden con lo que se indica en la siguiente descripción.As a Senior .NET Developer, you will build high-quality, scalable software using .NET, SOLID principles, and DDD within a cloud-native, microservices context.You own the product end-to-end, collaborating across cross-functional teams to design, deploy, and operate distributed systems on Kubernetes.You'll ensure code quality through thoughtful reviews and testing, while aligning API contracts with React Native teams.This role blends agility with strong security and offers impact on digital sovereignty initiatives.Compensaciones / Beneficios* Build high-quality, scalable software using .NET, SOLID principles, and DDD* Own the product end-to-end beyond individual tickets* Design and manage complex distributed systems and microservices on Kubernetes and in the cloud* Maintain code quality via PR reviews and conscientious analysis* Collaborate in cross-functional teams with developers, designers, data analysts, QA engineers, tech leads, product managers and product owners* Coordinate API and payload contract boundaries with React Native feature teamsResponsabilidades* 5+ years of experience as a .NET Developer* Proven experience with .NET 6 or above* Cloud development experience (GCP a plus) xqbhyrx and Kubernetes* Advanced knowledge of distributed architectures and message brokers (Kafka or RabbitMQ)* Experience with MongoDB and SQL databases* Strong testing discipline (Unit and Integration tests) and CI/CD* Experience with OpenTelemetry, Prometheus, and Grafana* English proficiency for technical discussions* Telco domain knowledge in MVNO/MVNE is a plusRequisitos principales*


## Related Videos

- [Developing the Backend with Stefan Lingler, CTO at Shpock](https://www.wearedevelopers.com/videos/100360-developing-the-backend-with-stefan-lingler-cto-at-shpock)
- [5 steps for running a Kubernetes environment at scale](https://www.wearedevelopers.com/videos/88-5-steps-for-running-a-kubernetes-environment-at-scale)
- [40 Minutes to Build a Serverless COVID-19 REST and GraphQL APIs](https://www.wearedevelopers.com/videos/208-40-minutes-to-build-a-serverless-covid-19-rest-and-graphql-apis)
- [Back(end) to the Future: Embracing the continuous Evolution of Infrastructure and Code](https://www.wearedevelopers.com/videos/440-back-end-to-the-future-embracing-the-continuous-evolution-of-infrastructure-and-code)
- [Meet Your New BFF: Backend to Frontend without the Duct Tape](https://www.wearedevelopers.com/videos/682-meet-your-new-bff-backend-to-frontend-without-the-duct-tape)
- [Nest.js - TypeScript in the backend can also be clean](https://www.wearedevelopers.com/videos/1033-nest-js-typescript-in-the-backend-can-also-be-clean)

## Related Articles

- [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs)
- [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries)
- [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe)
- [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)
- [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)