Senior Java Developer

Kronospan Polska; Paderborn; Vor Ort; EUR 55.000 - 75.000; Vollzeit

Zusammenfassung

A leading IT service provider is seeking a Senior Java Developer in Paderborn. In this role, you will develop new software modules using Java and Spring Framework while maintaining high software quality standards. You will work within an agile team, contributing your expertise to shape the development roadmap, and enjoy a flexible work environment with opportunities for continuous learning.

Leistungen

Flexible working hours

Remote work options

Continuous learning and development opportunities

International work environment

Qualifikationen

• 5+ years of experience with Java, preferably Java 8 or newer.
• Strong expertise in Spring Framework, Spring Boot, and RESTful API development.
• Ability to write unit and integration tests using JUnit and Mockito.

Aufgaben

• Designing and developing new software modules and features using Spring Framework.
• Maintaining high software quality through automated tests.
• Taking ownership of complex IT projects and serving as a technical contact.

Kenntnisse

Java

Spring Framework

Spring Boot

Hibernate

SQL

JUnit

Mockito

GitLab

Tools

Maven

Oracle

MSSQL

Jobbeschreibung

Technologies we use

Expected

• Java
• Spring Framework
• Spring Boot
• Hibernate
• Maven
• GitLab
• Oracle
• MSSQL
• JUnit
• Mockito

Optional

• Docker
• Angular

Your responsibilities

As a Senior Java Developer, you will be responsible for designing and developing new software modules and features using the Spring Framework, JPA / Hibernate, and SQL databases. You will contribute to maintaining high software quality by writing automated tests and adhering to best development practices. Working within an agile team, you will take ownership of complex IT projects and serve as a technical point of contact for your colleagues. Your expertise and innovative ideas will help shape and enhance the development roadmap.

Our requirements

• 5+ years of experience with Java (preferably Java 8 or newer)
• Strong expertise in Spring Framework, especially Spring Boot and RESTful API development
• Strong proficiency in JPA and Hibernate ORM frameworks
• Experience with Maven for project and dependency management
• Proficient in version control systems, specifically SVN and GitLab
• Solid knowledge of SQL databases, including experience with Oracle, MSSQL, and/or PostgreSQL
• Ability to write unit and integration tests using JUnit and Mockito to ensure code quality and reliability
• Understanding of secure, scalable, and performant application development
• High sense of responsibility
• Discretion in handling confidential data
• Friendly demeanor
• Good knowledge of English (B+ level)

Optional

• Familiarity with containerization using Docker and Docker Compose
• Exposure to orchestration tools such as Kubernetes
• Exposure to front-end frameworks, especially Angular
• Hands-on experience with Apache Tomcat for application deployment and configuration

What we offer

• Work on challenging projects with a team of experienced engineers
• Flexible working hours and remote work options
• Continuous learning and development opportunities
• International work environment

LIRA service GmbH, employing over 80 people, is the exclusive IT service provider for Kronospan locations worldwide. The in-house ERP package manages core components such as sales processing, purchasing, production, storage, and logistics in Paderborn. This includes planning, design, development, testing, operation of the software, support, database administration, and network technology. We are an internationally active IT service provider, specializing in consulting, development, and implementation of customized software solutions.