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 backend engineer who enjoys building scalable applications, working with modern technologies and continuously expanding their technical expertise.
Responsibilities
Design, develop and maintain high-quality backend applications using Java 17/21
Develop scalable applications based on microservices architecture
Design, develop and maintain RESTful APIs and backend services
Develop applications using Spring Boot and modern Java frameworks
Integrate asynchronous messaging solutions using Kafka
Contribute to frontend developments using Angular 21 when required
Collaborate closely with the Tech Lead to define technical solutions, architecture and development best practices
Write clean,
efficient and maintainable code following industry standards
Participate in code reviews and continuous improvement initiatives
Work in an Agile/Scrum environment alongside developers, QA and Business Analysts
Ensure timely delivery while maintaining high quality standards
Requirements
Bachelor's degree in Computer Science, Software Engineering or equivalent experience
4–6+ years of professional experience in Java software development
Strong expertise in Java Backend development
Solid experience with Java 17
Strong experience with Spring Boot
Experience with Kafka or other event-driven messaging platforms
Proven experience developing microservices-based applications
Experience building REST APIs and working with distributed systems
Experience with Angular 21 is a plus
Experience working in Agile/Scrum environments
Professional level of English
Strong analytical, problem-solving and communication skills
Ability to work effectively in an
📌 Senior Java Backend Engineer (Barcelona)
🏢 Infotel
📍 Barcelona
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