Java Developer

Quick Facts

• Role: Java Developer (Middle)

• Focus: system integration, ESB, Kafka, microservices

• Work model: hybrid (Warsaw), number of days based on project needs

• Compensation: 90–110 PLN net + VAT per hour (B2B)

Description

You’ll join a project building and maintaining integration services and microservices. The work includes implementing data transformations, validation, and exchanges between systems, along with creating unit and integration tests. You’ll also analyze and fix issues and optimize solutions for quality, performance, and reliability.

Responsibilities

• Develop and maintain integration services and microservices

• Implement transformations, validations, and data exchange between systems

• Create unit and integration tests

• Analyze and fix bugs, optimize solutions

• Ensure application quality, performance, and reliability

• Collaborate with analysts, architects, and project teams

Requirements

• 3–5 years of commercial Java experience

• Java SE 11+

• Spring Boot / Spring Integration

• Relational databases

• Git, Maven, Jira, Jenkins

• REST, SOAP, XML, JSON

• Higher education in computer science or related field

Benefits

• 90–110 PLN net + VAT per hour (B2B)

• Hybrid work in Warsaw (days defined by project needs)