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
View More S.i. Systems Jobs

Contact Information

Contact Human Resources
S.i. Systems

Posted

November 1, 2025
UID: 5474070179

AboutJobs.com does not guarantee the validity or accuracy of the job information posted in this database. It is the job seeker's responsibility to independently review all posting companies, contracts and job offers.