.Net Application Developer

6-month contract, hybrid, downtown Toronto

We are working with a client seeking a .Net Application Developer with strong legacy application development and maintenance experience. The ideal candidate will have expertise in designing, developing, maintaining, and modernizing enterprise-grade applications within the .NET ecosystem.

Key Responsibilities

Develop, maintain, and troubleshoot legacy .NET applications, including Windows Forms desktop applications

Analyse existing codebases and application architecture to understand business logic, workflows, dependencies, and system integrations

Design and enhance application components using C#, .NET, Entity Framework, ADO.NET, and SQL Server

Work with multithreading, asynchronous programming, data binding, reflection, and Windows UI components

Integrate applications with Windows Services, hardware peripherals, printers, serial devices, COM components, and external systems

Develop and maintain APIs, database integrations, and data-persistence solutions

Support application deployments, cloud infrastructure, and CI/CD pipelines using AWS and Azure DevOps





Apply software design principles, including Domain-Driven Design (DDD) and CQRS, to improve application maintainability and performance

Required Experience

Strong hands-on experience with C# and .NET application development, particularly legacy applications

Extensive experience with Windows Forms and desktop application development

Strong knowledge of SQL Server, Entity Framework, ADO.NET, and database integration

Experience with multithreading, asynchronous programming, data binding, and application performance tuning

Experience with Windows Services, COM Interop, P/Invoke, and hardware/peripheral integration

Experience developing APIs and integrating applications with external systems

Familiarity with AWS, Azure DevOps, CI/CD pipelines, and deployment processes

Robust troubleshooting, analytical, and problem-solving skills

Retail banking or financial services experience is an asset isgSearch does not use artificial intelligence throughout the hiring process.

📌 .Net Application Developer (Winnipeg)
🏢 isgSearch
📍 Winnipeg