Senior Java Developer

O projekcie: Cantor Fitzgerald is seeking a highly skilled Senior Java Developer to join the Trading Systems development team. The role involves developing modules of high frequency trading platform and matching engine. Cantor is a global financial services firm with over 75 years of history, known for its entrepreneurial culture, independence, and focus on innovation. Founded in 1945, the firm provides investment banking, capital markets, trading, research, and advisory services to institutional clients worldwide. As part of its international growth, Cantor has opened a new office in Warsaw, creating a new technology hub that supports global initiatives and works closely with international teams. The Warsaw (Poland) office plays an important role in the company’s long‑term development and future growth. Wymagania: 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, 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 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. Codzienne zadania: - 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.