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For one of our clients in the telecommunications industry we are looking for JVM Software Engineer.
The new joiner will be part of a team focused on modernizing and streamlining legacy Java applications.
Key responsibilities include:
Drive modernization – migrate Java applications from Wildfly to Spring Boot, removing legacy components like EJBs and JMS while simplifying the architecture.
Standardize APIs – create and evolve OpenAPI specifications, driving contract-first development and clean service design.
Integrate seamlessly – connect systems and processes through Kafka to enable reliable, event-driven communication.
Guarantee quality – develop robust integration and regression tests to ensure full functional parity after migration.
Build for the cloud – define Kubernetes environment, access controls, and deployment strategies aligned with platform standards.
Automate delivery – design and refine CI/CD pipelines that bring speed and stability to every release. And beyond migration:
Keep applications continuously up to date using OpenRewrite and Renovate Bot Design and implement AI-based code review systems as an intelligent first gate for code quality and guideline compliance Experiment daily with GitHub Copilot and other AI assistants to accelerate development Explore AI-driven approaches to detect risks and breaking changes during library updates
Project technology: SpringBoot (the latest), Java 21 (version 8, 11, 17 in the migrated project), JPA, GitHub Copilot, Claude Code, Renovate Bot, OpenRewrite, EJB (as part of a migrated project, just being removed), Camunda, Kubernetes, Kibana, CI/CD (Jenkins), Git, Intellij Idea
Qualifications
Knowledge of Spring Boot and Java,
Experience with SQL databases,
Good understanding of REST APIs,
Knowledge of OpenAPI,
Experience using Kubernetes.
Fluent communication skills in English and Polish (minimum B2 level), both written and spoken.
Nice to have:
Kubernetes/ Cloud Environment.
Event Sourcing.
Kafka.
This position allows for remote work for candidates based in Poland.
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:
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.
