Senior Backend Java Developer (Microservices / AWS) (2) — Spain | Hybrid in Madrid, Barcelona, Málaga or Logroño | Remote in the rest of the country
Full-time
We 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.
Design, develop, and maintain backend microservices using Java and Spring Boot
Work with relational and non-relational databases
Develop integration and unit tests
Collaborate with cloud-native environments on AWS




Contribute to scalable and maintainable backend architectures
3 years of hands-on experience developing backend microservices with:

~ Java
~ Spring Boot
~ Spring Batch
~ PostgreSQL

JPA / Hibernate
Relational and non-relational databases
AWS
AWS S3/Lambda
unit tests (JUnit, Mockito)
integration tests
Spanish fluent/native level
English B2 (spoken and written) – required

Knowledge of Go / Golang
Experience in digital banking or high-transaction environments
Experience working in distributed agile teams
Hybrid model available in:

Remote from other locations within Spain

Note We are looking for backend-focused profiles with strong Java and microservices experience.

📌 Senior Backend Java Developer (España)
🏢 Talent Connect
📍 España