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 international team

What We Offer

Permanent contract

Hybrid working model (2–3 days on-site)

Competitive compensation package including attractive employee benefits

Company-sponsored technical and language certifications

Continuous learning and professional development

Participation in international projects for leading clients 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) (Madrid)
🏢 Infotel
📍 Madrid