Build low-latency backend systems at Crescendo Technology in Toronto using Microsoft .NET, distributed systems, React, and TypeScript.
As a Senior Software Engineer, you will develop business components and services for real-time trading, risk management, and core platform services. You will work across backend architecture, cloud-native technologies, and user-facing applications. The work includes requirements analysis, design, testing, deployment, troubleshooting, and ongoing maintenance.
Key Responsibilities: Design reliable backend systems using Microsoft .NET
Develop React and TypeScript front-ends for trading data
Build, deploy, and operate cloud-native services
Integrate RabbitMQ, Redis, and relational databases




Provide technical leadership and mentorship to developers
Requirements: Five or more years developing software with Microsoft .NET
Two or more years using modern front-end frameworks
Solid TypeScript proficiency regardless of framework
Computer Science or related degree or diploma
Experience with scalable, high-performance distributed systems preferred
Apply backend architecture, .NET, React, and TypeScript expertise to reliable trading technology systems at Crescendo Technology.

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📌 Senior .NET Trading Systems Engineer (Ontario)
🏢 Crescendo Technology
📍 Ontario