Senior Java Engineer – High-Performance Trading Platforms

Luxoft; Wrocław; On-site; PLN 200,000 - 320,000; Full time

Job summary

Luxoft in Wrocław is seeking a senior Java developer to help design, develop, and maintain high-performance trading applications and messaging systems. You will work on scalable, event-driven components using Kafka and RabbitMQ, and deploy containerized services on Azure/AKS with Helm and Terraform.

The role emphasizes reliability and performance in a demanding production environment. The team collaborates across regions, focusing on architecture modernization, performance optimization, and

Qualifications

• 7+ years of professional software development experience with Java and enterprise app development using Spring Boot and Spring Security.
• Strong experience with high-performance messaging apps including Apache Kafka and RabbitMQ, messaging patterns, and performance considerations.
• Hands-on experience with Microsoft Azure, AKS, and containerized environments.
• DevOps practices and CI/CD, including Helm and Terraform for deployment and infra management.
• Strong knowledge of SQL and PostgreSQL in data-intensive apps.
• Experience with distributed caching/in-memory tech like Apache Ignite and Hazelcast.
• Proven experience with performance analysis and tuning for high-throughput/messaging-heavy apps.

Responsibilities

• Design, develop, and maintain high-performance Java applications and messaging solutions.
• Build scalable, event-driven components using Kafka and RabbitMQ.
• Develop and deploy containerized applications on Azure/AKS, using Helm and Terraform.
• Implement and improve CI/CD and DevOps practices for reliable delivery.
• Perform performance tuning, troubleshooting, and optimization of high-throughput applications.
• Monitor production systems, investigate incidents, and ensure reliability and security.
• Collaborate with development, DevOps, and business teams on solution design and end-to-end delivery.

Skills

Java

Spring Boot

Spring Security

Kafka

RabbitMQ

Azure

AKS

CI/CD

Terraform

Helm

SQL/PostgreSQL

Ignite

Hazelcast

Tools

Azure

AKS

Terraform

Helm

Job description

Luxoft in Wrocław is seeking a senior Java developer to help design, develop, and maintain high-performance trading applications and messaging systems. You will work on scalable, event-driven components using Kafka and RabbitMQ, and deploy containerized services on Azure/AKS with Helm and Terraform.

The role emphasizes reliability and performance in a demanding production environment. The team collaborates across regions, focusing on architecture modernization, performance optimization, and