Java Developer (Cequeliños)

Socium - Teams Done Differently is looking for a Mid-Senior Java Engineer to join their team in Spain, Galicia, Arbo. This contract role is focused on backend development using Java and Spring Boot., * Developing and maintaining backend applications using Java and Spring Boot.

• Designing and improving RESTful APIs and system integrations.
• Participating in code reviews and troubleshooting issues.

Conocimientos

Java backend development Spring Boot API design principles PostgreSQL CI/CD pipelines Docker AWS JUnit, We're currently seeking an experienced Java Engineer to join a growing team working on a modern, cloud-based platform. This is a hands-on contract role focused on building and enhancing backend services and APIs within a scalable architecture. What you'll be doing:

• Developing and maintaining backend applications using Java and Spring Boot
• Designing and improving RESTful APIs and system integrations
• Writing clean, testable, and maintainable code
• Contributing to architectural discussions and technical decision-making
• Participating in code reviews, including validating AI-assisted contributions
• Supporting testing efforts (unit and integration)
• Working closely with cross-functional teams across engineering, QA, and product
• Troubleshooting issues across development and live environments

Tech environment:

• Java (11+) with Spring Boot
• PostgreSQL and relational databases
• CI/CD pipelines (e.g. Jenkins or similar)
• Docker (Kubernetes exposure beneficial)
• Cloud platforms (AWS experience is advantageous)
• Testing frameworks such as JUnit and Testcontainers
• Monitoring and observability tools

The ideal candidate has proven experience, strong knowledge of API design principles, and the ability to work independently while collaborating with cross-functional teams.

Familiarity with cloud platforms like AWS and container orchestration tools such as Docker is a plus., * Proven experience in Java backend development at mid-senior level.

• Strong knowledge of Spring Boot and API design principles.
• Solid understanding of modern development practices and workflows., * Proven experience in Java backend development at mid-senior level
• Strong knowledge of Spring Boot and API design principles
• Solid understanding of modern development practices and workflows
• Experience working with databases (PostgreSQL preferred)
• Ability to take ownership and work independently
• Comfortable collaborating in technical discussions and code reviews
• Experience working with AI-assisted development tools is a plus
• Strong communication skills

Nice to have:

• Cloud experience (especially AWS)
• Containerisation and orchestration (Docker/Kubernetes)
• Microservices architecture exposure
• Performance tuning and debugging experience
• Familiarity with observability practices
• Additional scripting languages (e.g. Python or Groovy)