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Trading Systems Engineer

Citigroup Inc. | mississauga, Canada | Posted June 05, 2026

Position Overview

We are looking for a highly skilled and hands‑on Software Engineer to drive modern engineering practices and technology transformation within the back‑office trading application. You will play a critical role in designing, developing, and maintaining scalable, high‑quality software solutions while ensuring best‑in‑class engineering standards, including trunk‑based development, test automation, security, and modern ways of working.

Software Development & System Design

  • Design, develop, and maintain robust, scalable, and high‑performance applications.
  • Implement trunk‑based development practices to enable continuous integration and rapid delivery.
  • Develop clean, maintainable, and testable code following SOLID principles and software design best practices.
  • Ensure high levels of unit test coverage, test‑driven development (TDD), and behavior‑driven development (BDD).
  • Actively contribute to hands...

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