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Senior Java Developer

Madrid, MD, es🌐 Remote💼 Full-time🗓 2026-09-28

Core

Develop and maintain customized software solutions for a large European public sector client, specifically a tax administration system covering declaration processing and calculations.

Role type

Senior Java Backend Developer

Builds

Tax administration microservices and digital transformation platforms for public sector organizations

Domain

Public sector / Tax administration / Enterprise software

Required skills

Java, Spring Framework, Quarkus, Microservices architecture, PostgreSQL, REST/SOAP integrations, Kafka, Unit testing, CI/CD optimization

Preferred skills

Angular, Docker, Kubernetes, German or Swiss German

Technologies

Spring, Quarkus, Angular, PostgreSQL, RESTEasy, Hibernate, Panache, Kafka, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana

Responsibilities

Implement software components per design specs, perform system integration and testing, troubleshoot issues, estimate project efforts, collaborate with stakeholders, provide technical input on roadmaps, participate in incident triage, support CI/CD processes

Seniority

Senior, hands-on IC

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