Senior Java Developer
Cantor Fitzgerald · Warsaw, Mazowieckie, Poland
Tailor my CV for this job — freeSenior Java Developer – Trading Systems
About the Role
Cantor Fitzgerald is seeking a highly skilled Senior Java Developer to join the Trading Systems development team. The role involves developing modules of a high-frequency trading platform and matching engine.
Key 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.Core Competencies & Skills: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).
Qualifications
Bachelor’s degree in Computer Science, Engineering, or a 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.Desirable Skills:Monitoring and observability tools: Splunk, ELK stack, Grafana/Prometheus.