Senior C# Developer – Orchestrade (ENG)

CGI

montreal (administrative region), qc, Canada
Full-time
Posted June 01, 2026

Job Description

Introduction

Join CGI and contribute to the evolution of mission‑critical systems at the heart of financial markets. Within our Capital Markets IT team, you will work on a strategic platform built around Orchestrade, as part of a multi‑year transformation program aimed at strengthening performance, robustness, and long‑term sustainability of the information system.

Your Responsibilities

  • Design and develop high‑performance .NET / C# modules and plugins around Orchestrade, contributing to the creation of public APIs and internal frameworks.
  • Refactor and optimise existing components to enhance performance, scalability, and maintainability.
  • Ensure code quality through automated testing, code reviews, and adherence to engineering best practices.
  • Contribute to the evolution of the application architecture, CI/CD pipelines, and release processes.
  • Collaborate closely with business stakeholders and delivery teams, m...