Senior Java Developer – Trading Systems

Job Description Senior Java Developer – Trading Systems Company: Cantor Fitzgerald Team: Trading Systems Development Location: Poland (Warsaw) Employment type: Full-time, permanent 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. - Troubleshoot production issues and provide timely resolutions. Qualifications - 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.