About the role
Job Description
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
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.
Additional Information
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:
https://inetum.whispli.com/speakup?locale=pl