Java Software Engineer / C

Job Description

We are looking for a Java Software Engineer to join a long-term development and maintenance project covering 7 business applications built in Java.

You will become part of a 5-person development team responsible for further development of the client’s applications, implementing new functionalities and improvements, as well as supporting the resolution of application-related issues when needed.

This role is a good fit for someone who feels comfortable working with existing enterprise applications while also actively contributing to their ongoing development.

Your responsibilities

• Developing and enhancing Java-based applications

• Implementing new functionalities and improvements across the client’s application landscape

• Designing and implementing REST APIs

• Working with relational databases and optimizing SQL queries

• Managing database schema changes using Liquibase

• Supporting the investigation and resolution of support tickets when required

• Working closely with other members of the 5-person development team

• Contributing to the ongoing maintenance and technical development of the applications

Profile

Must-have skills

Java & Backend

• Very good knowledge of Java 17+

• Minimum 3 years of professional experience in Java backend development

• Good knowledge of Spring Boot 3.x

• Experience in designing and implementing REST APIs

Databases

• Experience working with relational databases, particularly:

  • Oracle Database
  • PostgreSQL

• Strong SQL skills, including writing and optimizing queries

• Experience managing database schema changes with Liquibase

Nice to have

Systems & tools

• Knowledge of Java EE / Jakarta EE
• Basic knowledge of Linux
• Familiarity with Bash
• Experience working with Git
• Basic knowledge of Apache Kafka
• Experience with CI/CD tools such as Azure DevOps, GitHub Actions or Jenkins
• Knowledge of GlassFish 7

Business application frontend

• Knowledge of JSF
• Experience with PrimeFaces

Additional Information

Fluency in Polish and English required.

Hybrid work model: 2 days from the office, 3 days of home office.

Office location: Warsaw, Poznań, Lublin, Katowice, Rzeszów or Łódź.

Thank you for your interest in our offer. We will contact selected candidates whose experience best matches the requirements of the role.

Additional Information

We hereby inform you that Inetum Polska sp. z o.o. has implemented an internal reporting (whistleblowing) procedure. The content of the procedure and the possibility to submit an internal report are available at: https://inetum.whispli.com/speakup?locale=pl