Senior Java Developer – Fixed Income Technology - 84809

S.i. Systems

📍 Toronto, Ontario, Canada

Contract Computer Occupations Posted February 28, 2026

Job Description

Senior Java Developer – Fixed Income Technology -

Duration: 6 months (Possibility of Extension)

Location: Hybrid (Downtown Toronto - 3 days a week in office, Tue to Thurs)

This Isn’t Just Another Dev Role — It’s Your Chance to Engineer the Core of Global Fixed Income Trading

We’re talking ultra-low-latency architectures, real-time market data, and automation at scale — all in an environment where milliseconds matter and billions move. You’ll work on greenfield and semi-greenfield projects, building dealer-side workflows that redefine how traders quote, price, and execute.

From RFQ ingestion and auto-response logic to automated execution, your code will sit at the heart of high-stakes trading desks. Every decision you make will shape performance, resilience, and speed for mission-critical systems.

If you thrive on complexity, love solving performance challenges under pressure, and want to collaborate directly with traders and product teams at the ...