Full-time jobs in Vaughan, Ontario

Find full-time jobs in Vaughan, Ontario and nearby towns within 25 km. Read the full details and apply.

Newest first

Within 25 km of Vaughan

Added 8 days ago
Sr. Consultant, Fraud Strategy
CIBC
Toronto, ON
Added 8 days ago
Sr. Financial Advisor CIRO-ID (Urban)
CIBC
Brampton, ON
Added 8 days ago
Transfer Administrator (Fixed-Term)
CI Financial
Toronto, ON
Added 8 days ago
Auto Body Technician (Toronto Area)
Boyd Group Services
Toronto, ON
Added 8 days ago
Principal Mechanical Engineer - HVAC, Building Services, Fire Protection
Worley
Toronto, ON
Added 8 days ago
Secondary Long Term Occasional (LTO) 33.33% Grade 9 English
York Region District School Board
Vaughan, ON
Added 8 days ago
Secondary Long Term Occasional (LTO) 100% - Grade 9 and 10 Communications Technology, (TGJ2O) Grade 10 Design Technology (TDJ2O)
York Region District School Board
Aurora, ON
Added 8 days ago
.Net Application Developer
isgSearch
Toronto, ON
Added 8 days ago
Secondary Long Term Occasional (LTO) 100 % Grade 9 Healthy Active Living (PPL101), Grade 10/11 Healthy Active Living (PPL201/PPL301), and Grade 11 Personal Fitness (PAF301)
York Region District School Board
Woodbridge, ON
Added 8 days ago
Q
Revenue Operations Manager – Partner & Channel Operations
Quadient
Markham, ON
- $90,000 to $100,000 CAD / year
Added 8 days ago
Secondary Long Term Occasional (LTO) 33 % Special Education (Monitoring)
York Region District School Board
Richmond Hill, ON
Added 8 days ago
Supply Chain Coordinator
Winters Instruments
Toronto, ON
Added 8 days ago
Secondary Long Term Occasional (LTO)/100 % Grades 10 & 11 Technological Education
York Region District School Board
Vaughan, ON
Added 8 days ago
HC
Manager, Collections
Hyundai Capital Canada
Toronto, ON
- $80,000 to $128,000 CAD / year
Added 8 days ago
Future Opportunities - North Star: Calling All Whistleblowers
AARUNI Inc.
Toronto, ON
Added 8 days ago
IVR-Contact Centre Engineer
Apptoza Inc.
Toronto, ON
Added 8 days ago
Senior Salesforce QM Tester / Toronto, ON / Hybrid - (FTE)
AceStack
Toronto, ON
Added 8 days ago
BIM Specialist
NGE Canada
Toronto, ON
Added 8 days ago
Elementary Long Term Occasional (LTO)100 % Grade 2/3 Homeroom
York Region District School Board
Vaughan, ON
Added 8 days ago
Enterprise Business Planning Solution Architect - Anaplan
Slalom
Toronto, ON
Added 8 days ago
Senior Compensation Analyst
Elith Consultancy Services
Toronto, ON
Added 8 days ago
Auto Body Technician (Toronto Area)
Assured Automotive
Toronto, ON
Added 8 days ago
Bilingual Field Coordinator
Amynta Group
Thornhill, ON
Added 8 days ago
K
Key Lead (Markville Mall)
Knix
Markham, ON
- $22.7 CAD / hour
Added 8 days ago
Business Strategic Insights – Client Analytics Lead
Manulife
Toronto, ON

isgSearch

.Net Application Developer

Toronto, ON, Canada

Full-time

Within 25 km of Vaughan · About 22.9 km from the city centre

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Job details

Job type: Full-time
Apply by: Nov 21, 2026
Posted: Oct 22, 2026

Original 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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More about this job

Responsibilities

Develop, maintain, troubleshoot, and modernize legacy .NET applications, including Windows Forms desktop software, and analyze existing codebases, workflows, dependencies, and integrations. Build application components, APIs, and database solutions; integrate with Windows services, hardware, and external systems; and support deployments, cloud infrastructure, and CI/CD pipelines.

Requirements

Requires strong hands-on C# and .NET experience, particularly with legacy and Windows Forms applications, plus extensive knowledge of SQL Server, Entity Framework, ADO.NET, and database integration. Candidates should also have experience with concurrency, performance tuning, Windows and hardware integrations, APIs, external systems, and deployment tools; retail banking or financial services experience is an asset.

Skills

C#
.NET
Windows Forms
SQL Server
Entity Framework
ADO.NET
Multithreading
Asynchronous Programming
Data Binding
Windows Services
COM Interop
P/Invoke
API Development
AWS
Azure DevOps
CI/CD

Visa sponsorship

Not detected in the job text

Keywords

.NET
C#
Windows Forms
Enterprise Applications
Entity Framework
ADO.NET
SQL Server
Multithreading
Asynchronous Programming
Data Binding
Reflection
Windows Services
COM Interop
P/Invoke
Hardware Integration
API Development
Database Integration
AWS
Azure DevOps
CI/CD Pipelines
Domain-Driven Design
CQRS
Application Modernization
Performance Tuning
Retail Banking
Financial Services

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