Senior Java Developer – Trading Systems
Company: Cantor Fitzgerald
Team: Trading Systems Development
Location: Poland (Warsaw)
Employment type: Full-time, permanent
- 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.
- Troubleshoot production issues and provide timely resolutions.
- Strong proficiency in Java (8+) with a focus on server-side development.
- Expertise in Spring, Spring Boot, and Maven for enterprise application development.
- Experience with at least one web application development framework (e.g., Angular, React, or similar).
- Solid understanding of multithreading, concurrency, and application performance tuning.
- Experience with DevOps practices and CI/CD pipelines.
- Familiarity with message queue systems (e.g., Kafka, JMS) and RESTful services.
- Knowledge of SQL and relational databases (Oracle, PostgreSQL).
Preferred Qualifications
- Monitoring and observability tools: Splunk, ELK stack, Grafana/Prometheus.
Skills Required
- Strong proficiency in Java 8 or later with server-side development experience
- Expertise in Spring, Spring Boot, and Maven
- Experience with at least one web application development framework, such as Angular or React
- Understanding of multithreading, concurrency, and application performance tuning
- Experience with DevOps practices and CI/CD pipelines
- Familiarity with message queue systems such as Kafka or JMS
- Experience with RESTful services
- Knowledge of SQL and relational databases, including Oracle or PostgreSQL
- Experience with monitoring and observability tools such as Splunk, ELK Stack, Grafana, or Prometheus
What We Do
Cantor Fitzgerald is a leading global financial services firm, serving clients from over 30 offices around the world. Founded in 1945 as a securities brokerage and investment bank, the firm pioneered computer-based bond trading, built one of the broadest distribution networks in the industry and became the market’s premier dealer of government securities. Today, Cantor Fitzgerald is known for its strength across a diverse array of businesses, including equity and fixed income capital markets, investment banking, commercial real estate finance and services, prime brokerage, asset management and wealth management, and e-commerce and online ventures. In all its businesses, the firm is an acknowledged leader in developing advanced technologies to expand market access, and help clients achieve their most important financial and strategic objectives. This commitment to client-centered innovation has led to enduring relationships with many of the world’s most demanding institutional investors and corporations. For more information please visit www.cantor.com.









