Java Software Engineer / 1

Inetum Polska

1d•Remote

About The Position

For a client in the telecommunications industry, Inetum Polska is seeking a JVM Software Engineer to join a team modernizing and streamlining legacy Java applications. The role focuses on migrating applications from Wildfly to Spring Boot, removing legacy components, and simplifying architecture. The position also involves API standardization, event-driven integrations, quality assurance, cloud deployment, and CI/CD automation. Beyond migration work, the engineer will keep applications up to date with OpenRewrite and Renovate Bot, develop AI-based code review systems, use AI assistants to accelerate development, and explore AI-driven detection of risks and breaking changes during library updates. The position allows remote work for candidates based in Poland.

Requirements

Knowledge of Spring Boot and Java.
Experience with SQL databases.
Good understanding of REST APIs.
Knowledge of OpenAPI.
Experience using Kubernetes.
Fluent written and spoken communication in English and Polish, at minimum B2 level.

Nice To Haves

Kubernetes or cloud environment experience.
Event Sourcing.
Kafka.

Responsibilities

Migrate Java applications from Wildfly to Spring Boot, remove legacy components such as EJBs and JMS, and simplify the architecture.
Create and evolve OpenAPI specifications, promoting contract-first development and clean service design.
Integrate systems and processes through Kafka for reliable, event-driven communication.
Develop integration and regression tests to ensure functional parity after migration.
Define Kubernetes environments, access controls, and deployment strategies aligned with platform standards.
Design and refine CI/CD pipelines to support faster and more stable releases.
Keep applications up to date using OpenRewrite and Renovate Bot.
Design and implement AI-based code review systems as an initial gate for code quality and guideline compliance.
Experiment with GitHub Copilot and other AI assistants to accelerate development.
Explore AI-driven methods for detecting risks and breaking changes during library updates.

Benefits

Flexible working hours.
Hybrid work model, with time divided between home and modern offices in key Polish cities.
Cafeteria system with a choice of benefits.
Referral bonuses of up to PLN 6,000.
Revenue-sharing opportunities for initiating partnerships with new clients.
Guidance from a dedicated Team Manager.
Technical mentoring from an assigned technical leader, depending on expertise and project needs.
Team-building budget for online and on-site events.
Opportunities to participate in charitable initiatives and local sports programs.
Training and certifications fully funded by the company.
Participation in technology conferences supported by the company.