We are looking for a

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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 a n 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 international team.

What We Offer:
Permanent contract.
Hybrid working model (2–3 days on-site).
Flexible working hours.
Competitive compensation package including attractive

employee benefits.
Company-sp onsored technical and language certifications.
Continuous learning and professional development.
Participation in international projects for leading clients. xkdbapo
A highly technical and international environment within our

Java Development Competence Center .
Direct mentoring from the Tech Lead and real opportunities for professional growth.

📌 Senior Java Backend Engineer (Java 17/21) (Barcelona)
🏢 Infotel
📍 Barcelona