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Posted 24 days ago

.Net Application Developer

@ isgSearch

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Toronto, Ontario

Full-time
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SIGNALS

Overview

isgSearch is hiring a .NET Application Developer on a 6-month full-time contract for a client in downtown Toronto, with a hybrid work arrangement. The role maintains and modernizes legacy .NET desktop and enterprise applications, including Windows Forms, C#, SQL Server and cloud deployment. Candidates need strong legacy .NET and Windows Forms experience; retail banking or financial services experience is an asset.

Responsibilities:

  • Develop, maintain and troubleshoot legacy .NET applications
  • Analyse existing codebases and application architecture
  • Design and enhance components using C#, Entity Framework and SQL Server
  • Integrate applications with Windows Services, hardware and external systems
  • Support deployments, cloud infrastructure and CI/CD pipelines

Requirements summary:

  • Strong hands-on C# and .NET experience, particularly legacy applications
  • Extensive Windows Forms and desktop application development
  • Strong SQL Server, Entity Framework and ADO.NET knowledge
  • Experience with Windows Services, COM Interop and P/Invoke
  • Familiarity with AWS, Azure DevOps and CI/CD pipelines
  • Retail banking or financial services experience is an asset

Tools & skills

SQL ServerEntity FrameworkADO.NETAWSAzure DevOps
Source and dates

Source type not verified · apify-linkedin

Employer posting date
2026-10-21
First seen by our source
2026-11-15
Source record updated
2026-11-15

These dates describe the source record, not a live verification that the employer is still hiring. Check the original posting.

Job details

SeniorityMid level
DepartmentSoftware development
Hours per week40 (estimated)
Travelair: none · ground: none
Work settingOffice
PositionMostly sitting
Physical demandsphysical low · computer high
LanguagesEnglish

Summary and details written by AI from the posting; the employer’s posting is the authority.

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isgSearch

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FieldValue
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Job description
.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
  • Strong 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.

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