Senior Java Developer z Niemieckim

HeadHR; Warszawa; On-site; 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

About the project

We are looking for a Senior Java Developer to join a large-scale project within the public sector, focused on developing and maintaining tax-related software systems.

The project involves building and evolving complex, high-availability systems used in a regulated environment. You will work on backend services, system integrations, and participate in maintaining high standards of performance, security, and code quality.

You will join a large, structured team working in an Agile setup, contributing to long-term system development in a complex organizational environment.

About the company

Kyotu Technology is a boutique software house based in Wrocław and Warsaw, working fully remotely or in hybrid mode across Poland. We focus on long-term, high-quality engineering and building complex, production-grade systems with real business impact.

Your responsibilities

• develop and maintain backend applications using Java
• build and extend RESTful APIs
• work with relational databases and ORM frameworks
• collaborate with cross-functional teams in Agile environment
• participate in code reviews and ensure high code quality
• support CI/CD processes and work in containerized environments
• perform occasional DevOps-related tasks

Kogo poszukujemy?

Must haves

• German language at C1 level (fluent written and spoken communication)
• higher education in IT (Bachelor/Master) or equivalent qualification + min. 5 years of experience
• strong experience with Java (Java 8+)
• minimum 5 years of experience working with Git
• experience working with Jira and Confluence
• experience with Linux (terminal-based work)
• experience with OpenShift and Helm (min. 2 years)
• experience with ORM frameworks (e.g. Spring Data, JPA)
• experience with build tools and CI (e.g. Gradle, CI pipelines)
• experience working on large-scale projects (long-term, multi-person teams)

Nice to have

• experience with Spring Boot
• experience in building RESTful services
• experience with testing frameworks (JUnit, Mockito)
• experience with databases (Oracle, PostgreSQL)
• basic frontend experience (React, TypeScript)
• experience working in Agile environments (Scrum, Kanban)
• English at B1 level

What we offer

• B2B contract, 120 - 180 +vat/h
• long-term cooperation
• work on large-scale public sector systems
• collaboration within experienced, structured teams
• projects with high impact and stability