Senior Backend Developer

RDT·Zamudio, Spain

What they ask for

  • Have the right to work in Spain

    RDT doesn't mention sponsorship in the ad.

  • Speak fluent Spanish

    Listed as a requirement in the ad.

  • Work on-site in Zamudio

    No relocation package mentioned.

  • Have 6+ years of experience

    Senior-level role.

Pulled from the advert automatically — the full ad is what counts.

This job was published 5 months ago

Read the full advert

About the role

We are looking for a Senior Backend Developer to join our software team!

We are developing a document management software focused on automating all the processes and documentation required for the development of complex industrial and energy projects.

What you'll do

💻 What you will do

  • Design and develop new backend features using Java 17/21 and Spring Boot 3.x.

  • Create robust and secure REST APIs, using Spring Security (OAuth2, JWT).

  • Manage PostgreSQL databases and apply migrations with Flyway or Liquibase.

  • Write unit tests (JUnit, Mockito) and apply best practices (SOLID, modular architecture).

  • Make technical decisions that shape the direction of the backend and the system architecture.

Nice to have

  • Experience with complex workflows, ERP integration, or S3/MinIO storage.

  • Knowledge of hexagonal architecture and auditable/traceable systems.

  • JVM performance optimization.

What you'll get

💡 What we offer

  • Work in a close-knit team with great energy 😄

  • Challenging projects where your opinion matters

  • Flexibility and learning opportunities

  • An environment that combines innovation with best practices

If you are looking for a place where your experience is valued, your ideas matter, and your code makes a difference, this is the right place for you.

Essential

🌟 What we are looking for

  • 6+ years of experience in backend development.

  • 3+ years with Spring Boot.

  • Participation in at least 2 medium-to-high complexity enterprise projects.

  • Experience leading backend technical decisions.

You'll most likely need Spanish to apply.This job was automatically translated to English, .

About the company

RDT

RDT

Engineering and IT solutions

View company profile
Spanish company
500 employees