C# · .NET · ASP.NET Core · APIs
The Role
Capco is seeking a Senior Software Engineer with strong expertise in C#, .NET, ASP.NET Core, and API development to join our Technology & Engineering practice in Toronto.
In this role, you will design, develop, modernize, and maintain enterprise applications and APIs that support business-critical solutions for our clients.
We are looking for an experienced, hands-on engineer who brings strong backend development capabilities, an understanding of modern frontend frameworks, and experience delivering secure, scalable, and reliable software.
You will collaborate with cross-functional engineering teams, contribute to technical design decisions, and leverage modern development practices, including AI-assisted engineering tools, to improve software quality and delivery efficiency.
Why This Role Is Open
We are currently hiring for this role due to an existing or newly created vacancy within our organization. This position is open as part of our ongoing business needs, and we are actively reviewing applications to fill this role with a qualified candidate who can make an immediate impact.
What You’ll Do
- Design, develop, and maintain scalable backend services and enterprise applications using C#, .NET, ASP.NET Core, and SQL Server.
- Build, enhance, and integrate secure RESTful APIs, including authentication, authorization, data validation, and error handling.
- Contribute to the modernization of existing applications, including refactoring legacy code, improving performance, and enhancing system reliability.
- Work across the application stack, collaborating o