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Added 5 days ago
M
RQ10575 - Software Developer - ETL - Senior
Maarut
Toronto, ON
- Contract
senior Software Developer ETL is required to provide best practice
Added 5 days ago
TH
SENIOR ANALYST PRICING CAN
The Home Depot
Canada
- Full-time
Experience with GBQ, SQL, Python, or other query/analytics languages.
Added 5 days ago
T
UNIT4 System Administrator
TEEMA
Vancouver, BC
- Contract
Support SQL integration with the ERP system, including writing SQL code for querying, troubleshooting, and integrations
Added 5 days ago
ET
Software Engineer - Embedded
Electrans Technologies Ltd
Oakville, ON
- Full-time
Experience with SQL (specifically PostgreSQL) and time series (specifically InfluxDB) database management, including writing/optimizing queries and building visualizations with tools such…
Added 5 days ago
TC
SENIOR JAVA DEVELOPER
TMC Canada
Montreal, QC
- Full-time
Développer et optimiser les requêtes SQL et les traitements de données.
Added 5 days ago
RT
Java Full Stack Microservice Developer
Reveille Technologies,Inc
Vancouver, BC
- Full-time
Added 5 days ago
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Senior Full Stack Developer
RBC
Burlington, ON
- Full-time
…for businesses. We're seeking a talented Senior Full Stack Developer to help design, develop, and maintain our secure and high-performing digital platform. As a key player, you'll…
Added 6 days ago
QA Analyst
Corpay
Toronto, ON
Performing backend validation using SQL queries, API responses, and system logs as needed.
Added 6 days ago
Principal Consultant - RightAngle Operations, Functional
capSpire - Canada
Calgary, AB
Added 6 days ago
C
Software/Application Developer Co-op
CIBC
Toronto, ON
- Full-time
Join our CIBC Technology team as a Software/Application Developer Co-Op and have a real impact in making our clients’ ambitions a reality! This is a great opportunity to be a part of an…
Added 6 days ago
C1
Senior Data Engineer (Microsoft Fabric) - 6 months Contract - Vancouver - (Hybrid)
Central 1
Vancouver, BC
- Full-time
Strong proficiency in Azure Data Factory (ADF), Microsoft Fabric, SQL, and Azure Storage services.
Added 6 days ago
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.Net Application Developer
isgSearch
Toronto, ON · Greater Toronto Area, Canada
- Full-time
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…
Added 6 days ago
EC
GCP Data Engineer
Experis Canada
Toronto, ON
- Contract
Added 6 days ago
UO
Analyst, Investment Data and Systems (Contract)
University of Toronto Asset Management Corporation
Toronto, ON
- Contract
Assist in identifying and implementing solutions to address data integration needs on investment data platforms such as MS SQL Server and other tools.
Added 6 days ago
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Senior Product Manager – Logistics & Transportation
Cella
Mississauga, ON
- $90,000 to $95,000 CAD / year
- Full-time
Data Analytics & Quantitative Insights: Leverage SQL, database tools, and reporting dashboards to perform market sizing, customer behavior analysis, competitive benchmarking, and financial…
Added 6 days ago
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Senior Salesforce QM Tester / Toronto, ON / Hybrid - (FTE)
AceStack
Toronto, ON
- Full-time
…strong expertise in quality assurance, functional testing, SQL, API testing, and data validation. The ideal candidate will have hands-on experience testing Salesforce platforms, web and…
Added 6 days ago
C
RightAngle Consultant, Functional, Operations
capSpire
Calgary, AB
- Full-time
Added 6 days ago
M
Business Strategic Insights – Client Analytics Lead
Manulife
Toronto, ON · Waterloo, ON
- Full-time
Experience with SQL and/or Python for data extraction and segmentation analysis; familiarity with Jira/Confluence is an asset
Added 6 days ago
R
Stage - Gestion des Programmes - Hiver 2027 Internship - Operations Program Management - Winter 2027
RTX
Longueuil, QC
- Full-time
…programmation OOP et des langages de programmation tels que SQL, VBA, Power BI (DAX), Windows PowerShell (niveau intermédiaire à…
Added 6 days ago
Senior IT PMO Analyst, Project Controls & Governance
Domtar Products
Montreal, QC
Added 6 days ago
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Senior Manager - IT Audit, Technology Risk Services
KPMG
AB · Winnipeg, MB · Regina, SK · Saskatoon, SK · Calgary, AB · Edmonton, Alberta
- Full-time
Added 6 days ago
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Database Administrator
Workiy
Winnipeg, MB
- Contract
…administration experience, with strong hands-on expertise in SQL, Microsoft SQL Server, Online Transaction Processing (OLTP), Online Analytical Processing (OLAP), and SQL Server Integration…
Added 6 days ago
SAP Project Lead
ROSEN-Group
Calgary, AB
Write SQL queries to extract, analyze, and validate data from the Data Warehouse, including SAP, and other Rosen financial systems as required.
Added 6 days ago
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Manager, Wealth Reporting Analytics & Automation
BMO
Toronto, ON · FCP
- Full-time
Advanced level of proficiency in SQL and SAS (SAS Macros, Proc SQL etc.)
Added 6 days ago
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Solution Architect (ID#5258)
New Value Solutions
Vancouver, BC · Greater Vancouver, BC
- $85 to $105 CAD / hour
- Contract
…thinking with hands-on technical expertise, including coding and developer support when needed, to drive innovation and maintain architectural integrity across our IT…

isgSearch

.Net Application Developer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 21, 2026
Posting language: English
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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