Senior Full Stack Developer (10+ years) to design, implement, and optimize electronic trading platforms using Java and low-latency systems 483 Our financial services client is seeking a Senior Full Stack Developer (10+ years) to design, implement, and optimize electronic trading platforms using Java and low-latency systems
Join a team supporting large-scale front office electronic trading initiatives within a global banking environment. This role focuses on enhancing and scaling electronic trading platforms across Cash Equities and Capital Markets using Java in highly automated and containerized environments. The position offers exposure to real-time and low-latency systems with collaboration across global engineering teams.
Contract, Toronto, Hybrid, 3 days per week in-office. Days must align with team schedule. Thursday is a must
12 months
Must Haves 10+ years developing low-latency systems or real-time software applications
Advanced proficiency in Java , including concurrency, tuning, and memory management
Hands-on use of Linux/UNIX command line interface
Domain expertise in Cash Equities and Capital Markets
Nice to Have Using agentic AI for software maintenance
Container runtimes including Podman and Docker with Kubernetes orchestration
Message passing systems such as Kafka and Aeron
Data-driven optimizations including profiling and metrics collection
Responsibilities Design enhancements to the electronic trading platform
Implement enhancements to the electronic trading platform
Deploy enhancements to the electronic trading platform
Support production software built by the engineering team
Optimize existing platform components and applications
Collaborate with software engineers across multiple time zones
Reduce repetitive tasks through automation
Senior Full Stack Developer (10+ years) to design, implement,



and optimize electronic trading platforms using Java and low-latency systems 483 Our financial services client is seeking a Senior Full Stack Developer (10+ years) to design, implement, and optimize electronic trading platforms using Java and low-latency systems
Join a team supporting large-scale front office electronic trading initiatives within a global banking workplace. This role focuses on enhancing and scaling electronic trading platforms across Cash Equities and Capital Markets using Java in highly automated and containerized environments. The position offers exposure to real-time and low-latency systems with collaboration across global engineering teams.
Contract, Toronto, Hybrid, 3 days per week in-office. Days must align with team schedule. Thursday is a must
12 months
Must Haves 10+ years developing low-latency systems or real-time software applications
Advanced proficiency in Java , including concurrency, tuning, and memory management
Hands-on use of Linux/UNIX command line interface
Domain expertise in Cash Equities and Capital Markets
Nice to Have Using agentic AI for software maintenance
Container runtimes including Podman and Docker with Kubernetes orchestration
Message passing systems such as Kafka and Aeron
Data-driven optimizations including profiling and metrics collection
CI/CD techniques
Responsibilities Design enhancements to the electronic trading platform
Implement enhancements to the electronic trading platform
Deploy enhancements to the electronic trading platform
Support production software built by the engineering team
Optimize existing platform components and applications
Collaborate with software engineers across multiple time zones
Reduce repetitive tasks through automation
Disclaimer:
AI may be used in evaluating candidates.
This posting is for an existing vacancy.
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📌 Senior Full Stack Developer (10+ years) to design, implement, and optimize electronic trading platfo (Ontario)
🏢 S.I. Systems
📍 Ontario