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# Senior Java Backend Engineer (Java 17/21)

- **Company:** Infotel
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Clean Code Principles, Java (Programming Language), Applications Architecture, Code Review, Distributed Systems, Scrum Methodology, Message Oriented Middleware, Software Engineering, Software Systems, Working Model 2D, Spring-boot, Backend, AngularJS, Information Technology, Apache Kafka, Front End Software Development, Restful APIs, Microservices
- **Published:** August 5, 2026
- **Apply:** https://www.buscojobs.com.es/senior-java-backend-engineer-java-17-21-en-madrid-ID-365581488

## About the Role

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

## Description

We are looking for aSenior Java Backend Engineerto join our growingJava Development Competence Center .Reporting directly to theTech 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.ResponsibilitiesDesign, develop and maintain high-quality backend applications usingJava *****Develop scalable applications based onmicroservices architectureDesign, develop and maintainRESTful APIsand backend servicesDevelop applications usingSpring Bootand modern Java frameworksIntegrate asynchronous messaging solutions usingKafkaContribute to frontend developments usingAngular 21when requiredCollaborate closely with the Tech Lead to define technical solutions, architecture and development best practicesWrite clean, efficient and maintainable code following industry standardsParticipate in code reviews and continuous improvement initiativesWork in an Agile/Scrum environment alongside developers, QA and Business AnalystsEnsure timely delivery while maintaining high quality standardsRequirementsBachelor's degree in Computer Science, Software Engineering or equivalent experience4-6+ years of professional experience in Java software developmentStrong expertise inJava BackenddevelopmentSolid experience withJava 17Strong experience withSpring BootExperience withKafkaor other event-driven messaging platformsProven experience developingmicroservices-based applicationsExperience building REST APIs and working with distributed systemsExperience withAngular 21is a plusExperience working in Agile/Scrum environmentsProfessional level of EnglishStrong analytical, problem-solving and communication skillsAbility to work effectively in an international teamWhat We OfferPermanent contractHybrid working model (2-3 days on-site)Competitive compensation package including attractiveemployee benefitsCompany-sponsored technical and language certificationsContinuous learning and professional developmentParticipation in international projects for leading clientsA highly technical and international environment within ourJava Development Competence CenterDirect mentoring from the Tech Lead and real opportunities for professional growth#J-*****-Ljbffr


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