Java Software Engineer - Modernize with Spring Boot Remote

Inetum; Warszawa; Remote; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Hybrid work model

Cafeteria benefits selection

Referral bonuses up to PLN6,000

Revenue sharing opportunities

Dedicated team mentoring

Job summary

Inetum Polska is seeking a JVM Software Engineer to join a client project in telecommunications. You will modernize legacy Java apps by migrating from Wildfly to Spring Boot and building robust, API-driven services.

You will work in a remote-friendly setup across Poland, collaborating with global teams, implementing OpenAPI specs, Kafka-based integrations, and Kubernetes deployments while advancing CI/CD pipelines and AI-assisted code quality tools.

Qualifications

• Spring Boot and Java proficiency.
• Experience with SQL databases.
• Good understanding of REST APIs.
• Knowledge of OpenAPI.
• Fluent communication in English and Polish (B2).

Responsibilities

• Migrate Java apps from Wildfly to Spring Boot; remove EJBs and JMS while simplifying architecture.
• Standardize APIs with OpenAPI; drive contract-first development.
• Integrate systems via Kafka for reliable, event-driven communication.
• Develop robust integration and regression tests to ensure parity after migration.
• Define Kubernetes environment, access controls, and deployment strategies.
• Design and optimize CI/CD pipelines for speed and stability.
• Maintain apps with OpenRewrite and Renovate Bot for updates.
• Implement AI-based code review gate to improve quality and compliance.
• Explore GitHub Copilot and AI tools to accelerate development.
• Assess AI-driven approaches to detect risks during library updates.

Skills

Spring Boot

Java

SQL databases

REST APIs

OpenAPI

English (B2)

Polish (B2)

Tools

GitHub Copilot

Claude Code

Renovate Bot

OpenRewrite

EJB

Camunda

Kubernetes

Kibana

Jenkins

Git

IntelliJ IDEA

Job description

Inetum Polska is seeking a JVM Software Engineer to join a client project in telecommunications. You will modernize legacy Java apps by migrating from Wildfly to Spring Boot and building robust, API-driven services.

You will work in a remote-friendly setup across Poland, collaborating with global teams, implementing OpenAPI specs, Kafka-based integrations, and Kubernetes deployments while advancing CI/CD pipelines and AI-assisted code quality tools.