Java Backend Engineer | Spring Boot, REST APIs, SQL

Inetum; Województwo mazowieckie; Hybrid; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Cafeteria benefits

Referral bonuses up to PLN 6000

Revenue sharing opportunities

Job summary

Inetum Polska is seeking a Java Software Engineer to join a long-term project covering 7 Java-based business applications. You will be part of a 5-person development team delivering new features and maintaining existing systems.

The role offers a hybrid work model (2 days in the office, 3 days from home) and opportunities for training, certifications, and participation in technology conferences. Fluent Polish and English required.

Qualifications

• 3+ years of professional experience in Java backend development.
• Strong knowledge of Java 17+ and Spring Boot 3.x.
• Experience designing REST APIs and working with relational databases.
• Familiarity with Liquibase for DB changes.
• Proficient in SQL and query optimization.

Responsibilities

• Develop and enhance Java-based applications.
• Implement new functionalities across the client’s apps.
• Design and implement REST APIs.
• Work with relational databases and optimize SQL queries.
• Manage database schema changes with Liquibase.
• Assist in resolving support tickets as needed.
• Collaborate within a 5-person development team.
• Contribute to maintenance and technical growth of applications.

Skills

Java 17+

3+ years Java backend

Spring Boot 3.x

REST APIs

SQL

Liquibase

Linux basics

Git

CI/CD (Azure DevOps/GitHub Actions/Jen

Kafka (basic)

Education

Tools

Oracle DB

PostgreSQL

Liquibase

Git

Linux

Bash

Azure DevOps

GitHub Actions

Jenkins

GlassFish 7

JSF

PrimeFaces

Job description

Inetum Polska is seeking a Java Software Engineer to join a long-term project covering 7 Java-based business applications. You will be part of a 5-person development team delivering new features and maintaining existing systems.

The role offers a hybrid work model (2 days in the office, 3 days from home) and opportunities for training, certifications, and participation in technology conferences. Fluent Polish and English required.