Big Data Developer (Java) - Relocation to Spain

You will join a senior technical team working on large‑scale, data‑intensive platforms in a regulated financial environment . The project focuses on backend development using OOP technologies , strong interaction with Data Lake ecosystems , and complex SQL‑based data processing , within a modern microservices and DevOps‑oriented architecture .

What You Will Do

• Design, develop and maintain backend components using Java and OOP principles
• Build and optimize SQL queries over large datasets (Oracle / PostgreSQL)
• Work with Data Lake environments and data integration flows
• Contribute to microservices architectures (Spring Boot)
• Collaborate in CI/CD pipelines using Git, GitHub Actions and Kubernetes
• Participate in Agile ceremonies and technical decision‑m...