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 r

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