Java Backend Engineer

King, a leading interactive entertainment company, seeks a mid-level Java backend developer for Catalog Games in Barcelona to build features, services, tools, and systems powering our games. You’ll design, implement, test, deploy and monitor backend components, balancing speed with reliability in large-scale real-time systems. You’ll own complete...

Merkle, a dentsu company, is hiring a Junior Java Software Engineer to join our Barcelona community. You will design and implement Java backend services in an agile team, focusing on code quality and test-driven development.You will work across the development lifecycle, cover RESTful services, ORM with SQL, and collaborate with experienced engineers to...

Merkle, a dentsu company, is hiring Java Developers in Barcelona to join agile teams working for major telecoms and media brands. Design, code, and deliver robust backend services using Java/J2EE, TDD/BDD, and RESTful APIs. You will collaborate with senior engineers, participate in all development phases, and contribute to continuous improvement. The role...

We are looking for a Senior Java Backend Engineer to join our growing Java Development Competence Center. Reporting directly to the Tech Lead, you will be part of an experienced international team, contributing to the design and development of high-quality software solutions for leading international client. This is an excellent opportunity for a passionate...

Marfeel is seeking a Java Developer to join a small, high-ownership engineering team. You will own backend architecture decisions, develop new services, and navigate existing codebases while leveraging AI coding tools as a core part of your workflow.Work involves high concurrency, end-to-end ownership, and collaboration with product and data teams to ship...

Dormont Manufacturing Co is seeking Java Developers in Barcelona to join their agile teams. This role involves designing and coding backend applications using a test-driven development approach, ensuring quality in every coding phase.Ideal candidates should have a degree in software engineering or related fields, with at least 1-2 years of experience in...

A technology firm in Barcelona is seeking a Senior Java Backend Engineer for a long-term freelance project. The role involves building and optimizing backend services using Java and Spring Boot within a hybrid work model. Candidates should have over 7 years of Java development experience, strong expertise in microservices, and familiarity with cloud...

Overview We are looking for a Senior Java Backend Engineer to join a long-term freelance project in Barcelona (hybrid: 3 days onsite, 2 remote). This role is part of a strategic transformation initiative in the financial sector, modernizing data management systems with cloud-native technologies and agile methodologies. Responsibilities Build and...

Marfeel group is searching for a Java Developer to join their innovative team in Barcelona. In this role, you'll develop services and features while navigating existing codebases. Responsibilities include designing scalable systems and collaborating in an agile environment. Ideal candidates have deep knowledge of Java, experience with Spring, and a passion...