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 Technical test: Yes Client interview: Yes If you are interested do not hesitate to send me your most updated CV al [email protected]