Senior Java Developer — Low-Latency Trading Platform

Cantor Fitzgerald; Warszawa; On-site; PLN 300,000 - 420,000; Full time

Job summary

Cantor Fitzgerald is seeking a highly skilled Java Developer to join the Trading Systems development team in Warsaw. You will design, develop, and maintain server-side Java applications for a high-frequency trading platform and matching engine.

The role requires strong expertise in Java 8+, Spring, Spring Boot, Maven, and experience with web frameworks, multithreading, and DevOps practices. You will work with analysts, traders, and other developers to deliver mission-critical features and

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field.
• 5+ years of professional experience in Java development.
• Prior experience in electronic trading systems, brokerage platforms, or financial services technology is a strong plus.

Responsibilities

• Design, develop, and maintain server-side Java applications for trading platforms.
• Implement robust, scalable solutions using Spring Framework and Spring Boot.
• Collaborate with business analysts, tech leads, traders, and other developers to deliver mission-critical features.
• Optimize application performance for high throughput and low latency in a real-time trading environment.
• Ensure code quality through unit tests and end-to-end test automation.
• Participate in DevOps pipeline development and deployment automation using Git/GitLab, Maven and Jenkins CI/CD pipelines.

Skills

Java

Spring

Spring Boot

Maven

Web frameworks

Multithreading

Concurrency

DevOps

RESTful services

SQL

Oracle

PostgreSQL

Kafka

JMS

Angular/React

Education

Bachelor’s degree in Computer Science, Engineering, or related field

Job description

Cantor Fitzgerald is seeking a highly skilled Java Developer to join the Trading Systems development team in Warsaw. You will design, develop, and maintain server-side Java applications for a high-frequency trading platform and matching engine.

The role requires strong expertise in Java 8+, Spring, Spring Boot, Maven, and experience with web frameworks, multithreading, and DevOps practices. You will work with analysts, traders, and other developers to deliver mission-critical features and