Cantor Fitzgerald Ireland Ltd
Senior Java Developer – Trading Systems
Senior Java developer on Cantor Fitzgerald's Trading Systems team in Warsaw (hybrid), building and maintaining server-side Java/Spring Boot trading platform applications, optimizing for low latency and high throughput, with Kafka/REST integrations and GitLab/Jenkins CI/CD.
- Compensation
- Not disclosed
- Location
- Poland
- Work setup
- Not specified
- Seniority
- Senior
- Employment
- Full time
- Experience
- Not specified
- Category
- Software engineering
- Posted
Skills
Must have
- 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)
Nice to have
- Experience with monitoring/observability tools: Splunk, ELK stack, Grafana/Prometheus
Full description
Senior Java Developer – Trading SystemsCompany: 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.
Job Info
- Job Identification 248951
- Posting Date 10/27/2026, 03:15 PM
- Locations Ul. Prosta 20, Warsaw, 00-850, PL (Hybrid)