Senior Software Engineer – Low Latency & Realtime Systems Kitchener, Ontario

The Low Latency Platform and Realtime Technology teams build and maintain the core infrastructure that powers GTSs electronic trading systems. Our software is responsible for the reliable movement processing and distribution of market data and trading events across a globally distributed high-performance environment where latency throughput and resiliency are critical.

This role is focused on designing and developing the foundational systems that enable real-time trading at scale. You will work on low-latency services messaging infrastructure distributed systems and performance-critical applications that support some of the most demanding workloads in financial markets. The position is ideal for developers who enjoy solving complex systems problems optimizing software for performance and reliability and working close to the interaction between hardware networking and software.

• Design develop and maintain high-performance C software that powers GTSs real-time trading infrastructure
• Build and enhance low-latency messaging market data and event distribution systems used across the firm
• Analyze profile and optimize application performance across software operating system and network layers
• Collaborate with trading infrastructure and other engineering teams to deliver robust solutions for mission-critical production environments

• Significant professional experience designing and building production software systems in C (typically 5-10 years of experience)
• BS/MS degree in Computer Science Computer Engineering or related technical field
• Strong proficiency in modern C and systems-level software development
• Demonstrated ability to effectively leverage modern AI-assisted software development tools to build high-quality software efficiently while maintaining strong engineering standards
• Experience developing software on Linux platforms
• Strong understanding of concurrent programming multithreading and performance-oriented system design
• Experience building distributed systems real-time applications or low-latency infrastructure
• Solid understanding of networking concepts and protocols (TCP/IP UDP multicast)
• Experience diagnosing and optimizing application performance in production environments
• Strong communication skills and ability to collaborate effectively across technical and non-technical teams
• Ability to work independently and as part of a highly collaborative engineering organization

Nice to Have:

• Experience in electronic trading market data or financial systems
• Experience with time-series or relational database technologies

Were proud to employ leading talent in the industry and work to ensure our employees enjoy a high quality of life.

Please note: The use of AI tools during interviews isstrictly prohibited unless explicitly agreed upon.

Benefits:

Perks: Daily Meal Allowance Equinox Corporate Membership Rate Snacks Casual Dress.

Hybrid Work Policy: 4 Days a Week in office Fridays can be worked from home.

All qualified applicants will receive consideration for employment without regard to race color religion sex sexual orientation gender identity age national origin or protected veteran status and will not be discriminated against on the basis of disability.

Unsolicited resumes:

We do not accept unsolicitedheadhunterand agency resumes and will not pay fees to any third-party agency or company that does not have a signed agreement with GTS.