Hiring Freelance Senior Java Developers

We are looking for a Senior Java Developer to join a long-term project for a leading financial institution.

- Location: Madrid
- Remote: 100% remote
- Duration: Long-term
- English: C1+

Requirements

- 8+ years of professional experience with Java
- 3+ years working with Java 17 or 21
- Strong experience with Spring / Spring Boot
- Experience with Kafka
- Experience with Redis and PostgreSQL or MongoDB
- Strong testing experience with JUnit 5 and Mockito
- Experience with AWS or equivalent cloud environments
- Knowledge of streaming and microservices architectures

Nice to have

- Experience leading complex migrations or refactoring projects
- Multimodule Java applications
- Docker / containerization and multi-architecture images
- Python knowledge

T echnical test: Yes

Client interview: Yes

If you are interested do not hesitate to send me your most updated CV al

📌 Remote Senior Java Backend Engineer | Spring, Kafka, Cloud - Remote (La Coruña)
🏢 ALTEN
📍 La Coruña