Senior Java Engineer - Azure, Kafka & Trading Platforms

Luxoft; Kraków; On-site; PLN 300,000 - 520,000; Full time

Job summary

Luxoft in Kraków, Poland, seeks an experienced Java developer to design, build, and maintain high-performance trading-oriented applications and messaging systems. You will contribute to scalable, event-driven architectures using Kafka and RabbitMQ, and deploy containerized services on Azure/AKS with Helm and Terraform.

The role emphasizes performance, reliability, and collaboration across global teams. The ideal candidate brings 7+ years in enterprise Java, deep Spring expertise, strong

Qualifications

• 7+ years of professional software development experience in Java and enterprise apps.
• Strong hands-on with Java, Spring Boot, and Spring Security.
• Extensive experience with high-performance messaging (Kafka, RabbitMQ) and patterns.
• Cloud and containerized environments (Azure, AKS).
• DevOps practices with CI/CD, Helm and Terraform.
• Strong SQL/PostgreSQL in data-intensive apps.
• Experience with distributed caching (Ignite, Hazelcast) and performance tuning.

Responsibilities

• Design, develop, and maintain high-performance Java apps and messaging solutions.
• Build scalable event-driven components using Kafka and RabbitMQ.
• Deploy containerized apps on Azure/AKS using Helm and Terraform.
• Implement and improve CI/CD and DevOps practices for reliable delivery.
• Perform performance tuning and incident investigations for high-throughput systems.
• Collaborate across teams on end-to-end delivery and solution design.

Skills

Java

Spring Boot

Spring Security

Apache Kafka

RabbitMQ

Microsoft Azure

AKS

Terraform

Helm

SQL

PostgreSQL

Apache Ignite

Hazelcast

Performance tuning

Tools

Azure Kubernetes Service (AKS)

Helm

Terraform

Job description

Luxoft in Kraków, Poland, seeks an experienced Java developer to design, build, and maintain high-performance trading-oriented applications and messaging systems. You will contribute to scalable, event-driven architectures using Kafka and RabbitMQ, and deploy containerized services on Azure/AKS with Helm and Terraform.

The role emphasizes performance, reliability, and collaboration across global teams. The ideal candidate brings 7+ years in enterprise Java, deep Spring expertise, strong