Senior Java Developer

Miratech; Województwo śląskie; On-site; PLN 50,000 - 70,000; Full time

Benefits offered by this job

Competitive Pay and Benefits

Work From Anywhere Culture

Growth Mindset

Welcoming Multicultural Environment

Social Sustainability Values

Job summary

Miratech is looking for a Senior Java Developer to enhance software solutions for public sector clients in Poland. The role involves developing and maintaining a tax administration system and requires over 6 years of Java experience and strong skills in Spring and Quarkus.

You will be part of a collaborative team of 20+, focused on delivering secure and scalable solutions. Miratech offers a culture of relentless performance, competitive pay, and extensive professional development opportunities.

Qualifications

• 6+ years of experience in Java development.
• Strong experience with Spring Framework and 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).
• Good understanding of testing principles.
• Ability to communicate confidently in English.
• Strong communication and collaboration skills.

Responsibilities

• Implement software components according to the design specifications.
• Perform system integration and testing, problem troubleshooting, and resolution.
• Participate in estimating project efforts and delivery timelines.
• Provide technical input into product roadmaps.
• Support and optimize CI/CD processes.

Skills

Java development

Spring Framework

Quarkus

Microservices architecture

Docker

Kubernetes

PostgreSQL

REST/SOAP integrations

Kafka

Good understanding of testing principles

Communication in English

Collaboration skills

Education

Bachelor's degree in Computer Science or related field

Tools

Jira

Grafana

GitLab

Job description

Miratech helps visionaries change the world. We are a global IT services and consulting company that brings together enterprise and start‑up innovation. Today, we support digital transformation for some of the world's largest enterprises. By partnering with both large and small players, we stay at the leading edge of technology, remain nimble even as a global leader, and create technology that helps our clients further enhance their business. We are a values‑driven organization and our culture of Relentless Performance has enabled over 99% of Miratech's engagements to succeed by meeting or exceeding our scope, schedule, and/or budget objectives since our inception in 1989. Miratech has coverage across 5 continents and operates in over 25 countries around the world. Miratech retains nearly 1000 full‑time professionals, and our annual growth rate exceeds 25%.

We are looking to hire a Senior Java Developer who will take part in development and maintenance services for customized software solutions for a 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 includes integration with multiple external systems. The project team consists 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

Project Tech Stack: Backend (Java): Spring, Quarkus. Frontend: Angular (latest versions). Data & Integration: PostgreSQL, RESTEasy, Hibernate / Panache, Kafka. Architecture, DevOps & Tools: Microservices, Maven, Flyway, Docker, Kubernetes, GitLab, Jira, ArgoCD, Grafana

• 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 principlesli>
• 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

We 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.
• Social 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.