Job Description
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 specifications

Perform system integration and testing,



problem troubleshooting, and resolution

Perform unit testing of software components

Participate in estimating project efforts and delivery timelines

Proactively collaborate with teammates and communicate with the Project Stakeholders to ensure that the Project efforts proceed efficiently and with predictability

Provide technical input into product roadmaps

Participate in triage activities (incident analysis and prioritization)

Support and optimize CI/CD processes

Qualifications

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 communicati

📌 Senior Java Developer (Madrid)
🏢 Miratech
📍 Madrid