Senior Java Developer — Remote, Growth & Impact

Miratech; Madrid; Remote; EUR 60,000 - 90,000; Full time

Benefits offered by this job

Health insurance

Language courses

Relocation program

Remote work culture

Job summary

Miratech is seeking a Senior Java Developer to contribute to development and maintenance of customized software solutions for a large European client in the tax administration domain. You will work on a complex system covering the full lifecycle of tax declarations, with a 20+ person team and modern tech stack including Spring, Quarkus, Angular, PostgreSQL, and Kafka.

The role emphasizes system integration, testing, CI/CD optimization, and collaboration with distributed teams across Europe.

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 communication and collaboration skills with stakeholders and distributed teams.

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.

Skills

Java development

Spring Framework

Quarkus

Microservices

REST/SOAP

Kafka/ActiveMQ

Testing principles

English communication

Distributed teams collaboration

Tools

Docker

Kubernetes

PostgreSQL

RESTEasy

Hibernate/Panache

Maven

GitLab

ArgoCD

Grafana

Jira

Job description

Miratech is seeking a Senior Java Developer to contribute to development and maintenance of customized software solutions for a large European client in the tax administration domain. You will work on a complex system covering the full lifecycle of tax declarations, with a 20+ person team and modern tech stack including Spring, Quarkus, Angular, PostgreSQL, and Kafka.

The role emphasizes system integration, testing, CI/CD optimization, and collaboration with distributed teams across Europe.