Senior JVM Software Engineer /1

Warsaw, Masovian Voivodeship, pl on site Until 8/28/2026 First posted June 29, 2026 Last posted June 29, 2026
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:

Flexible and hybrid work:

  • Flexible working hours.
  • Hybrid work model, allowing employees to divide their time between home and modern offices in key Polish cities.

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.

About the project

Join a long-term project focused on Order Management, a critical part of the business ecosystem responsible for managing integrations and business processes. As part of a major modernization initiative, legacy applications built on Java 6/8 and JBoss/WildFly are being migrated to a modern cloud environment based on Spring Boot and Java 21.

Your responsibilities:

  • Migrate existing systems from JBoss/WildFly to Spring Boot-based solutions,
  • Support the transition of legacy applications to a cloud-native environment,
  • Develop and maintain integration services and microservices,
  • Contribute to business process automation and orchestration,
  • Collaborate with cross-functional teams on system modernization initiatives.

Must-have

  • Commercial experience with Java 17+
  • Strong knowledge of Spring Boot 3.x
  • Experience with JPA / Hibernate
  • Knowledge of OpenAPI
  • Good understanding of SQL and PostgreSQL
  • Experience with Git and Maven
  • Basic hands-on experience with Docker and Kubernetes

Nice to have

  • Experience with Prometheus, Grafana, Sonar, or DependencyTrack
  • Knowledge of Camunda or Sygnavio
  • Previous experience in application modernization or migration projects

Hybrid work (3 days per week) in the following locations: Warsaw, Lublin or Poznan

 

About this role

Summary

Develop, migrate, and modernize Java applications in cloud environments.

Job title

Senior JVM Software Engineer

Experience level

professional level

Industry

software

Location requirements

hybrid work 3 days in Warsaw, Lublin, or Poznan

Salary

Not specified

Management role

No

Skills & keywords

Required skills

java 17+spring boot 3.xjpahibernateopenapisqlpostgresqlgitmavendockerkubernetes

Preferred skills

prometheusgrafanasonardependencytrackcamundasygnavio

Specializations

java 17+spring bootmicroservicescloud migrationapplication modernization
Locations

Structured locations inferred from the posting.

Warsaw, Poland

Hybrid City