CareerPlan

Java Backend Developer (m/k) @ UNITY-T GROUP

Kraków, małopolskieFull-time2026-10-30

Core

Designing, implementing, and developing backend services in Java used by mobile applications and internal systems.

Role type

Senior Java Backend Developer

Builds

Backend services, REST APIs, and microservices for mobile apps and internal systems

Domain

Enterprise IT services, Java ecosystem

Required skills

Java, Spring Boot, Spring Framework, REST API design, PostgreSQL, Git, Linux, CI/CD pipelines, Docker, Kubernetes, RabbitMQ, Kafka, microservices architecture, unit testing, integration testing, code review, system architecture design, performance optimization

Preferred skills

Jenkins, Gradle, Tomcat, React.js, AngularJS, Redmine

Responsibilities

Design and develop Java backend applications, Create and evolve REST APIs, Implement new features according to business requirements, Integrate with external systems, Optimize application performance, Participate in system architecture design, Prepare unit and integration tests, Analyze and debug issues, Update technical documentation, Participate in code reviews