Senior Java / Kotlin Engineer

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 **

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 **