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# Senior Backend Java Developer (Microservices / Aws) - Spain (Hybrid/Remote)

- **Company:** Talent Connect
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Amazon S3, Unit Testing, Cloud Computing, Code Review, Document Management Systems, Hibernate (Java), Java Persistence API, Junit, PostgreSQL, Apache Maven, Mockito, Spring-boot, Caching, Backend, Git, Integration Tests, Non-relational Database, Restful APIs, Spring Batch, Golang, Microservices
- **Published:** September 25, 2026
- **Apply:** https://www.buscojobs.com.es/senior-backend-java-developer-microservices-aws-spain-hybrid-remote-en-madrid-ID-373144303

## About the Role

We are looking for Senior Backend Java Developers to join an international digital banking project focused on building scalable, cloud-native backend solutions., +3 years of hands-on experience developing backend microservices with:
Java
Spring Boot
Spring Batch
PostgreSQL
Experience working with:
REST APIs
JPA / Hibernate
Relational and non-relational databases
Caching technologies
Experience with:
AWS
AWS S3/Lambda
Git
Maven
Experience developing:
unit tests (JUnit, Mockito)
integration tests
Spanish fluent/native level
English B2 (spoken and written) - required
Nice to have
Knowledge of Go / Golang
Experience in digital banking or high-transaction environments
Experience working in distributed agile teams

## Description

OverviewSenior Backend Java Developer (Microservices / AWS) (2) - Spain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the countryFull-timeWe are looking for Senior Backend Java Developers to join an international digital banking project focused on building scalable, cloud-native backend solutions.You will work on the development of modern microservices architectures within a high-availability environment, collaborating with distributed engineering teams in an agile ecosystem.This is a hands-on backend role focused on performance, scalability, and clean engineering practices.What you'll doDesign, develop, and maintain backend microservices using Java and Spring BootBuild and maintain REST APIsWork with relational and non-relational databasesDevelop integration and unit testsCollaborate with cloud-native environments on AWSParticipate in code reviews and technical discussionsContribute to scalable and maintainable backend architecturesWhat we're looking for+3 years of hands-on experience developing backend microservices with:JavaSpring BootSpring BatchPostgreSQLExperience working with:REST APIsJPA / HibernateRelational and non-relational databasesCaching technologiesExperience with:AWSAWS S3/LambdaGitMavenExperience developing:unit tests (JUnit, Mockito)integration testsSpanish fluent/native levelEnglish B2 (spoken and written) - requiredNice to haveKnowledge of Go / GolangExperience in digital banking or high-transaction environmentsExperience working in distributed agile teamsWork modelHybrid model available in:MadridBarcelonaMálagaLogroñoRemote from other locations within SpainNoteWe are looking for backend-focused profiles with strong Java and microservices experience.Experience limited to document management platforms or unrelated enterprise systems will not be considered relevant for this role.How to applyPlease follow the kinl and apply right away!#J-*****-Ljbffr


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