Java Backend Development

MPower Plus; Wrocław; On-site; PLN 180,000 - 300,000; Full time

Job summary

MPower Plus is seeking an experienced Java backend developer with deep expertise in Spring Boot, REST APIs, and enterprise application design. You will work on high-throughput, data-heavy systems, leveraging Kafka, RabbitMQ, and distributed caching.

The role emphasizes Azure-based deployments, AKS, and modern DevOps practices including Terraform and Helm for automation. You should bring 7+ years of hands-on development, strong performance tuning skills, and a track record of delivering scalable,

Qualifications

• 7+ years of professional software development experience.
• Strong hands-on expertise in Java and enterprise application development using Spring Boot and Spring Security.
• Strong experience with high-performance messaging apps, including Kafka and RabbitMQ.

Tools

Java

Spring

REST API

DevOps

CI/CD

PostgreSQL

Azure Functions

Azure Data Factory

React

Kafka

RabbitMQ

AKS

Terraform

Helm

Ignite

Hazelcast

Job description

Java, Spring, REST API, DevOps and CI/CD, PostgreSQL, Azure Functions, Azure data factory, React (plus)

7+ years of professional software development experience, with strong hands-on expertise in Java and enterprise application development using Spring Boot and Spring Security.

Strong experience with high-performance messaging applications, including Apache Kafka and RabbitMQ, messaging patterns, and performance considerations.

Strong experience with Microsoft Azure, AKS (Azure Kubernetes Service), and containerized application environments.

Hands-on experience with DevOps practices and CI/CD, including Helm and Terraform for deployment and infrastructure management.

Strong knowledge of SQL and PostgreSQL, particularly within data-intensive applications.

Experience with distributed caching and in-memory data technologies, including Apache Ignite and Hazelcast.

Proven experience with performance analysis, troubleshooting, and performance tuning, particularly for high-throughput and messaging-intensive applications.