> Markdown version of [/jobs/ext/3074910-senior-backend-engineer-java-21-spring-boot-microservices](https://www.wearedevelopers.com/jobs/ext/3074910-senior-backend-engineer-java-21-spring-boot-microservices). 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). --- # Senior Backend Engineer: Java 21, Spring Boot Microservices - **Company:** BCNC GROUP - **Location:** Leganés, Spain - **Contract:** Permanent contract - **Skills:** Clean Code Principles, Java (Programming Language), Application Programming Interfaces (APIs), Cloud Computing, PostgreSQL, MongoDB, Scrum Methodology, Spring-boot, Backend, Apache Kafka, Microservices - **Published:** September 25, 2026 - **Apply:** https://www.buscojobs.com.es/senior-backend-engineer-java-21-spring-boot-microservices-en-leganes-ID-373104733 ## About the Role El candidato ideal aporta experiencia con Java 21, Kafka, PostgreSQL/MongoDB y prácticas de Clean Code, además de capacidad para trabajo en equipo en entorno ágil y SCRUM. Se valoran cloud y soluciones escalables. ## Description BCNC Group busca un Senior Backend Developer Java con experiencia en Spring Boot y arquitectura de microservicios para liderar una iniciativa tecnológica global. Participarás en decisiones de diseño, evolución de APIs y optimización de procesos logísticos complejos.El candidato ideal aporta experiencia con Java 21, Kafka, PostgreSQL/MongoDB y prácticas de Clean Code, además de capacidad para trabajo en equipo en entorno ágil y SCRUM. Se valoran cloud y soluciones escalables.#J-*****-Ljbffr ## 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) - [Our journey with Spring Boot in a microservice architecture](https://www.wearedevelopers.com/videos/511-our-journey-with-spring-boot-in-a-microservice-architecture) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [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) - [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) - [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) ## Related Articles - [20 Essential Tools For Backend Development](https://www.wearedevelopers.com/magazine/218-20-essential-tools-for-backend-development) - [The 7 Most Popular Backend Frameworks for Developers](https://www.wearedevelopers.com/magazine/403-the-7-most-popular-backend-frameworks-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [What’s the Difference Between Frontend and Backend Development?](https://www.wearedevelopers.com/magazine/240-what-s-the-difference-between-frontend-and-backend-development)