Junior/Mid Java Developer

Quick Facts

• Role: Junior/Mid Java Developer (GWT is a plus)

• Focus: Development + modernization/migration to Spring

• Work model: Initially fully on-site in Warsaw office, then hybrid

• Project length: At least 3–4 years

Description

You will develop and maintain a system in the public sector, including creating new Java software and keeping existing modules running. A key responsibility is migrating applications from GWT to a Spring-based architecture while working closely with analysts, frontend, QA, and DevOps. You’ll support code quality through unit tests and code reviews, and contribute to technical documentation and solution architecture.

Responsibilities

• Build new Java functionality

• Maintain and develop existing applications

• Migrate the system from GWT to Spring-based architecture

• Collaborate with analysts, frontend, QA, and DevOps

• Ensure code quality (unit tests, code review)

• Help design solution architecture

• Create technical documentation

Requirements

• 2–3+ years of commercial Java development experience

• Experience in the public or financial sector (must-have)

• Relational database knowledge (PostgreSQL/Oracle, SQL)

• Experience with Docker

• Higher education in IT

• Nice to have: GWT, JPA/Hibernate, Thymeleaf, Maven/Gradle, WildFly/Tomcat, Git, Linux

Benefits

• Long-term stable employment

• Chance to work on key projects for a large, stable organization in a stable sector

• Attractive compensation aligned with skills and experience

• Benefits package (Lux Med, MultiSport)