Java Backend Engineer — Kafka, Spring Boot & Microservices

Hiberus; Wrocław; Hybrid; PLN 120,000 - 160,000; Full time

Job summary

Hiberus is seeking a Java Developer to work on a backend system for high-volume message processing using Apache Kafka and a microservices architecture. The role involves implementing features, writing tests, and maintaining documentation within a Scrum team.

Preferred candidates have 3+ years in Java backend development, practical Kafka knowledge, Docker/containerization experience, and familiarity with microservices and event-driven processing. Angular is a nice-to-have;

Qualifications

• At least 3 years of experience in Java backend development.
• Practical knowledge of Apache Kafka.
• Experience with Docker and containerization.
• Knowledge of microservices architecture and event-driven processing.

Responsibilities

• Implementing new features in line with business requirements.
• Writing unit tests.
• Creating, maintaining, and updating technical documentation.
• Implementing fixes, refactoring code, and optimizing performance.
• Participating in code reviews to ensure code consistency and high quality.
• Collaborating within a Scrum team, including sprint planning, daily stand-ups, and retrospectives.
• In a later stage of the project: investigating and resolving production issues and supporting the operations team.

Skills

Java backend development

Apache Kafka

Microservices

Event-driven processing

Angular

Tools

Docker

Harbor

RKE2

Jenkins

OpenTelemetry

MongoDB

Gradle

Spring Boot 3.5

Java 21

JUnit 5

Job description

Hiberus is seeking a Java Developer to work on a backend system for high-volume message processing using Apache Kafka and a microservices architecture. The role involves implementing features, writing tests, and maintaining documentation within a Scrum team.

Preferred candidates have 3+ years in Java backend development, practical Kafka knowledge, Docker/containerization experience, and familiarity with microservices and event-driven processing. Angular is a nice-to-have;