Senior C# Backend Developer – Orchestrade / Capital Markets IT

CGI • Montreal, Quebec, Canada • Posted June 26, 2026

Location Montreal, Quebec
Job Type Full Time
Category Computer Occupations
Posted June 26, 2026

Position Description:

Location: Québec, Canada
Work Model: On-site
Contract: 12 months (renewable)
Start Date: ASAP
Language: English required; French is an asset

Role Overview

We are looking for a Senior C# Backend Developer to join the Capital Markets IT team and contribute to the evolution of Orchestrade, a critical financial platform supporting multiple asset classes including Rates, FX, Credit, Equities, and Commodities.

The successful candidate will work on backend development, performance optimization, architecture improvements, and modernization initiatives within a complex enterprise environment.

Your future duties and responsibilities:

Responsibilities
Develop and maintain high-quality C#/.NET backend applications.
Design, optimize, and refactor existing components to improve performance and scalability.
Participate in code reviews, testing, and technical improvements.

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