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C# Desktop App Developer Intern (Remote)

Tartigrade

mississauga, peel region, Canada Full-time June 02, 2026

Found Description

Remote

Internship

Job Description

We are looking for an intern to support the development and maintenance of our internal desktop trading tools. You’ll work on C#/.NET WinForms/WPF applications that interact with market data sources, improve application reliability, and deliver new features for the trading team.

Responsibilities

Desktop Applications

  • Maintain and enhance WinForms/WPF apps.
  • Improve schedulers and background services for robustness and stability.
  • Package, sign, and distribute applications (MSIX or similar).

Integration & APIs

  • Connect applications to external APIs (e.g., Interactive Brokers TWS, Yahoo Finance).
  • Optimize data-fetching pipelines and error handling.

Testing & Documentation

  • Debug and fix crashes, scheduler issues, and performance bottlenecks.
  • Write setup guides and documentation for long-t...

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