Senior Java Backend Engineer - Public Sector (Remote)

HeadHR; Warszawa; Hybrid; PLN 165,312 - 247,968; Full time

Benefits offered by this job

B2B contract

Long-term cooperation

Work on large-scale public sector systems

Collaboration within experienced teams

Job summary

HeadHR is seeking a Senior Java Developer for a public sector project based in Warsaw. The successful candidate will develop and maintain tax-related software systems while working in a structured Agile team.

The ideal candidate should have strong Java development skills, experience in large-scale projects, and must be fluent in German (C1). The role offers a B2B contract with competitive rates and the opportunity for long-term cooperation.

Qualifications

• Minimum 5 years of experience in software development.
• Strong ability to communicate in German (C1 level).
• Experience in Agile environments is a plus.

Responsibilities

• Develop and maintain backend applications using Java.
• Build and extend RESTful APIs.
• Collaborate with cross-functional teams in Agile.
• Support CI/CD processes in containerized environments.
• Participate in code reviews.

Skills

German language at C1 level

Java (Java 8+)

Git

Jira

Confluence

Linux

OpenShift and Helm

ORM frameworks (Spring Data, JPA)

CI tools (Gradle)

large-scale projects experience

Education

Higher education in IT (Bachelor/Master)

Tools

Spring Boot

JUnit

Mockito

Oracle

PostgreSQL

React

TypeScript

Job description

HeadHR is seeking a Senior Java Developer for a public sector project based in Warsaw. The successful candidate will develop and maintain tax-related software systems while working in a structured Agile team.

The ideal candidate should have strong Java development skills, experience in large-scale projects, and must be fluent in German (C1). The role offers a B2B contract with competitive rates and the opportunity for long-term cooperation.