ph3Overview /h3pWe are looking for a bSenior Java Backend Engineer /b to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). /ppThis role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. /ph3Responsibilities /h3ulliBuild and optimize back-end services with Java 8+/11/21, Spring Boot, and Microservices. /liliTranslate complex business needs into scalable solutions. /liliImprove GUI functionality in collaboration with frontend teams. /liliImplement best practices in security, compliance, and governance. /liliWork with Apache Kafka and Apache Spark for real-time data pipelines. /liliDeploy and manage applications in OpenShift and Azure with Kubernetes and Docker. /liliCollaborate in agile cross-functional teams (SCRUM, SAFe).
/liliProvide technical leadership and mentor junior developers. /lili7+ years of Java development (Java 8+, ideally 17/21). /liliStrong expertise in Spring Boot, Microservices, REST APIs. /liliExperience with Kubernetes, Docker, CI/CD pipelines. /liliCloud knowledge (OpenShift, Azure). /liliFamiliarity with PostgreSQL, Hibernate, distributed systems. /liliProficiency in Kafka and Spark for real-time streaming. /liliAwareness of Angular and testing frameworks (JUnit, Jasmine, Karma). /liliPrevious work in financial services / trading platforms is a big plus. /li /ulh3Seniority level /h3pMid-Senior level /ph3Employment type /h3pContract /ph3Job function /h3pSoftware Development /p /p #J-18808-Ljbffr