Senior JVM Software Engineer / 1

Inetum2

Warsaw, Masovian Voivodeship, Poland permanent

Posted: December 3, 2025

Required Skills

Job Description

Inetum Polska is part of the global Inetum Group and plays a key role in driving the digital transformation of businesses and public institutions. Operating in cities such as Warsaw, Poznan, Katowice, Lublin, Rzeszow, Lodz the company offers a wide range of IT services. Inetum Polska actively supports employee development by fully funding training, certifications, and participation in technology conferences. Additionally, the company is involved in local social initiatives, such as charitable projects and promoting an active lifestyle. It prides itself on fostering a diverse and inclusive work environment, ensuring equal opportunities for all.

Globally, Inetum operates in 19 countries and employs over 28,000 professionals. The company focuses on four key areas:

• Consulting (Inetum Consulting): Strategic advisory services that help organizations define and implement innovative solutions.
• Infrastructure and Application Management (Inetum Technologies): Designing and managing IT systems tailored to clients’ individual needs.
• Software Implementation (Inetum Solutions): Deploying partner solutions from industry leaders like Microsoft, SAP, Salesforce, and ServiceNow.
• Custom Software Development (Inetum Software): Creating unique software solutions to meet specific client needs.

With strategic partnerships with major technology giants, including Microsoft, SAP, Salesforce, and ServiceNow, Inetum delivers advanced technological solutions tailored to customer requirements. In 2023, Inetum reported revenues of €2.5 billion, underscoring its strong position in the digital services market.

Inetum distinguishes itself by offering a comprehensive range of benefits that meet the diverse needs of employees, providing flexibility, support and commitment. Here's what makes working at Inetum unique:

Attractive financial benefits:

• A cafeteria system that allows employees to personalize benefits by choosing from a variety of options.
• Generous referral bonuses, offering up to PLN6,000 for referring specialists.
• Additional revenue sharing opportunities for initiating partnerships with new clients.

Professional development and team support:

• Ongoing guidance from a dedicated Team Manager for each employee.
• Tailored technical mentoring from an assigned technical leader, depending on individual expertise and project needs.

Community and Well-Being:

• Dedicated team-building budget for online and on-site team events.
• Opportunities to participate in charitable initiatives and local sports programs.
• A supportive and inclusive work culture with an emphasis on diversity and mutual respect.

We are looking for an experienced Java Developer to join our team, which consists of six developers and two test managers. The team is responsible for migrating software components from Wildfly, Spring Batch, and other technologies to our target architecture using Spring Boot and Spring Batch in Kubernetes. As part of this migration, client applications will also need to be updated.

In this role, you will:

• Develop and implement solutions within the team.
• Collaborate closely with the Lead Developer, Product Owners, Software Architects, and Project Managers.

Must-Have Requirements

• Java > 21
• REST
• Kubernetes, Helm
• Spring Framework
• Wildfly
• Unit and Integration Tests (Mockito, Testcontainers, JUnit 5)
• Git, Swagger, IntelliJ, Maven
• Agile Development (Coordination and Planning of work packages)

Nice-to-Have Requirements

• SQL (Optimal: Postgres, Sybase)
• ELK Stack
• Atlassian tools (Bitbucket, JIRA, Confluence)
• LDAP
• JBPM
• Jenkins (CI/CD)
• Kafka
• Java Swing or JavaFX

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