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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Java Developer - **Company:** Miratech - **Location:** Madrid, Spain (Remote available) - **Contract:** Internship / Graduate position - **Skills:** Java (Programming Language), Apache ActiveMQ, Unit Testing, Continuous Integration, Relational Databases, Spring Framework, PostgreSQL, Simple Object Access Protocol (SOAP), Software Engineering, Software Systems, Systems Integration, Cloud Platform System, AngularJS, Kubernetes, Apache Kafka, Data Management, Front End Software Development, Docker, Microservices - **Published:** August 7, 2026 - **Apply:** https://www.buscojobs.com.es/senior-java-developer-en-madrid-ID-366116027 ## About the Role 6+ years of experience in Java development Strong experience with Spring Framework, Quarkus Understanding of microservices architecture and containers (Docker/Kubernetes) Experience with relational databases (PostgreSQL or other RDBMS) Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ) Good understanding of testing principles Ability to communicate confidently in English Strong communication and collaboration skills with stakeholders and distributed teams Nice to have: Experience in Angular front-end development German or Swiss German language skills ## Description Job DescriptionCompruebe que cumple con los requisitos de habilidades para este puesto, así como con la experiencia asociada, y luego envíe su CV a continuación.We are looking to hire a Senior Java Developer who will take part in development and maintenance services for customized software solutions for large European customer, a provider of innovative software solutions for the public sector.The client is a technology service provider specializing in digital solutions for public sector organizations.The company focuses on developing secure, scalable platforms that support administrative processes, data management, and digital transformation initiatives.The project includes software application development in the tax administration domain.The system under development is the tax administration system that covers taxation processes in one of the European countries.This is the complex system that covers the full life?cycle of tax declarations processing and tax calculations and assessments that included integration with multiple external systems.The project team consist of 20+ people.Responsibilities:Implement software components according to the design specificationsPerform system integration and testing, problem troubleshooting, and resolutionPerform unit testing of software componentsParticipate in estimating project efforts and delivery timelinesProactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictabilityProvide technical input into product roadmapsParticipate in triage activities (incident analysis and prioritization)Support and optimize CI/CD processesQualifications6+ years of experience in Java developmentStrong experience with Spring Framework, QuarkusUnderstanding of microservices architecture and containers (Docker/Kubernetes)Experience with relational databases (PostgreSQL or other RDBMS)Experience with REST/SOAP integrations and messaging (Kafka, ActiveMQ)Good understanding of testing principlesAbility to communicate confidently in EnglishStrong communication and collaboration skills with stakeholders and distributed teamsNice to have:Experience in Angular front-end developmentGerman or Swiss German language skillsAdditional InformationWe offer:Culture of Relentless Performance:join an unstoppable technology development team with a 99% project success rate and more than 30% year?over?year revenue growth.Competitive Pay and Benefits:enjoy a comprehensive compensation and benefits package, including health insurance, and a relocation program.Work From Anywhere Culture:make the most of the flexibility that comes with remote work.Growth Mindset: reap the benefits of a range of professional development opportunities, including certification programs, mentorship and talent investment programs, internal mobility and internship opportunities.Global Impact:collaborate on impactful projects for top global clients and shape the future of industries.Welcoming Multicultural Environment:be a part of a dynamic, global team and thrive in an inclusive and supportive work environment with open communication and regular team?building company social events.xcskxljSocial Sustainability Values:join our sustainable business practices focused on five pillars, including IT education, community empowerment, fair operating practices, environmental sustainability, and gender equality.*Miratech is an equal opportunity employer and does not discriminate against any employee or applicant for employment on the basis of race, color, religion, sex, national origin, age, disability, veteran status, sexual orientation, gender identity, or any other protected status under applicable law.#J-*****-Ljbffr ## 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