Senior Java Engineer - High-Performance Trading, Hybrid

Luxoft; Kraków; Hybrid; PLN 300,000 - 420,000; Full time

Benefits offered by this job

MyBenefit program

Employee assistance program

LuxTalent platform

Internal Mobility program

Job summary

Luxoft invites you to join a global Agency Trading technology team responsible for developing, enhancing, and supporting high-performance trading platforms used in financial markets. The group operates internationally, delivering scalable Java-based applications and cutting-edge messaging solutions.

You will design and maintain JVM services, implement Kafka/RabbitMQ messaging, deploy containerized apps on Azure/AKS with Helm and Terraform, and drive CI/CD and DevOps practices for reliable,

Qualifications

• 7+ years of professional software development experience with 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.

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, leveraging Helm and Terraform.
• Implement and improve CI/CD and DevOps practices to support reliable and efficient delivery.
• Perform performance tuning, troubleshooting, and optimization of high-throughput applications.
• Monitor production systems, investigate incidents, and ensure reliability, security, and operational stability.
• 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

Terraform

Helm

CI/CD

DevOps

SQL

PostgreSQL

Apache Ignite

Hazelcast

Performance tuning

Job description

Luxoft invites you to join a global Agency Trading technology team responsible for developing, enhancing, and supporting high-performance trading platforms used in financial markets. The group operates internationally, delivering scalable Java-based applications and cutting-edge messaging solutions.

You will design and maintain JVM services, implement Kafka/RabbitMQ messaging, deploy containerized apps on Azure/AKS with Helm and Terraform, and drive CI/CD and DevOps practices for reliable,