S.i. Systems
Sr. Java Developer to support FX trading platforms - 79621
Job Location
Toronto, ON, Canada
Job Description
Line of Business: Fx Developement Duration: 12 months (possibility of extension) Location: Hybrid - Downtown Toronto [In office two days a week. Tuesdays with the team, 2nd day up to the person but subject to change as deemed necessary] Role Mandate: We are seeking a highly motivated and technically skilled developer to join the Global Trading Solutions (GTS) Trading Systems team. This role focuses on building and enhancing mission-critical components of our Electronic FX trading platform. The ideal candidate will have a strong background in Java, a passion for low-latency systems, and a deep understanding of financial markets. Role Responsibilities Include (but are not limited to): • Design and develop robust, scalable software solutions for GTS’s FX trading systems. • Devise and implement efficient algorithms and data structures tailored to low-latency environments. • Create comprehensive test cases to ensure software stability and reliability. • Collaborate with cross-functional teams to research, design, and implement system enhancements. • Communicate effectively with operations teams regarding new features and strategy behaviors. • Investigate and resolve production issues, performing root-cause analysis independently. • Translate business requirements into technical solutions with minimal guidance. Must-Have Skills: • Bachelor’s degree in Computer Science or equivalent practical experience. • Minimum 5 years of professional Java development experience. • Strong multi-threaded programming and performance optimization skills. • Proven experience in developing low-latency trading systems. • Solid understanding of financial markets and electronic trading workflows. • Familiarity with the FIX protocol and market data integration. • Excellent analytical, problem-solving, and communication skills. • Strong team collaboration and mentoring capabilities. • Core java developer. Nice to Have Skills: • Experience with FX trading platforms or capital markets systems. • Experience with profiling tools and latency measurement frameworks. • Exposure to C# or other complementary technologies. • Knowledge of containerization and cloud-native architectures. Interviews: • 1st round - Hiring Manager • 2nd Round - Technical interview • 3rd Round - follow up technical interview Apply
Location: Toronto, Ontario, CA
Posted Date: 11/1/2025
Location: Toronto, Ontario, CA
Posted Date: 11/1/2025
Contact Information
| Contact | Human Resources S.i. Systems |
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