JVM Backend Engineer - Java Spring Microservices (Hybrid)

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

Benefits offered by this job

Flexible working hours

Hybrid work model

Cafeteria benefits

Referral bonuses up to PLN 6,000

Revenue sharing opportunities

Job summary

Inetum Polska is seeking a Regular JVM Software Engineer to join a backend team supporting a large modernization initiative. You will contribute to the analysis, design, and implementation of solutions aimed at transforming existing applications and migrating them to a modern technology stack.

The role focuses on Java 17/21, Spring Boot, microservices, REST APIs, and CI/CD. You will work in an Agile environment, write automated tests with JUnit and Mockito, and help improve code quality and

Qualifications

• Commercial experience with Java development in the JVM ecosystem.
• Hands-on with Java 17/21 and Spring Boot.
• Experience building microservices and REST APIs.
• Good SQL and PostgreSQL knowledge.
• JUnit 5 and Mockito experience.
• Maven, Git and CI/CD practices.
• Knowledge of Docker and Kubernetes.
• Experience in Agile teams.
• Interest in AI technologies in software development.
• English and Polish at B2 level.

Responsibilities

• Participate in analysis, design, and implementation of backend solutions.
• Develop and maintain applications using Java and Spring Boot.
• Support migration and modernization of existing systems.
• Design REST APIs and microservices.
• Refactor code for maintainability and scalability.
• Collaborate in Agile teams to deliver objectives.
• Create automated tests with JUnit and Mockito.
• Contribute to CI/CD and software quality processes.

Skills

Java development

Spring Boot

REST APIs

CI/CD

English Polish B2

Tools

PostgreSQL

Maven

Git

Docker

Kubernetes

JUnit 5

Mockito

OpenAPI/Swagger

Jenkins

SonarQube

Job description

Inetum Polska is seeking a Regular JVM Software Engineer to join a backend team supporting a large modernization initiative. You will contribute to the analysis, design, and implementation of solutions aimed at transforming existing applications and migrating them to a modern technology stack.

The role focuses on Java 17/21, Spring Boot, microservices, REST APIs, and CI/CD. You will work in an Agile environment, write automated tests with JUnit and Mockito, and help improve code quality and