Overview
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.
What you’ll do
Design, develop, and maintain backend microservices using Java and Spring Boot
Build and maintain REST APIs
Work with relational and non-relational databases
Develop integration and unit tests
Collaborate with cloud-native environments on AWS
Participate in code reviews and technical discussions
Contribute to scalable and maintainable backend architectures
What we’re looking for
+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
Work model
Hybrid model available in:
Madrid
Barcelona
Málaga
Logroño

Remote from other locations within Spain
Note
We 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 apply
Please follow the kinl and apply right away!
#J-18808-Ljbffr

📌 Senior Backend Java Developer (Microservices / AWS) - Spain (Hybrid/Remote)
🏢 Talent Connect
📍 Madrid