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Added 23 mins ago
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Desktop Publisher/Graphic Designer - Adobe/Banking
BeachHead
Toronto, ON
- $17.6 to $30.43 CAD / hour
- Contract
Working with one of our top financial clients, this role calls for a Desktop Publisher/Graphic Designer - Adobe/Banking to create, format, and produce high-quality business documents and…
Added 23 mins ago
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Associate Technical Account Manager
Yardi
Toronto, ON
- $69,600 to $73,100 CAD / year
- Full-time
…ATAM, your main role will be to provide top-notch customer support, focusing on troubleshooting and resolving software issues over phone and email across Yardi's diverse suite of products.…
Added 23 mins ago
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Technicien De Service Sur Site/field Service Technician
TEKsystems
Longueuil, QC
- $25 to $35 CAD / hour
- Full-time
Added 23 mins ago
BU
I.T.C. Infrastructure Technologist
Brandon University
Brandon, MB
- Full-time
…of the City’s computing and communication infrastructure to support all municipal government operations. This includes optimizing networks, servers, and related components for high…
Added 1 hour ago
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Engineer In Training
Precinmac
Milton, ON
- $22 to $24 CAD / hour
Fully support Process Engineers in development of internal sub processes
Added 1 hour ago
PA
IT Technician (Head office - Muskoka
Performance Auto Group
Huntsville, ON
- Full-time
The successful candidate will be providing technical assistance and support in an effective and efficient manner. Must be self-starting, a team player with the ability to establish good…
Added 1 hour ago
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Deskside Support Technician
Worley
Calgary, AB
- Full-time
…Leveraging extensive experience and AI-enabled delivery, we support customers in navigating complexity as they meet today's needs and transition to more sustainable…
Added 1 hour ago
RI
Service Desk Analyst (fluent English and French)
Raas Infotek
Mississauga, ON
- Contract
Microsoft Windows,MS Remote Desktop Services (RDS),Touch Services,Video/Telepresence - Others
Added 1 hour ago
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IT Support Analyst - Fulltime Position (On-Site)
QSP Geographics Inc.
Vaughan, ON
- $55,000 to $70,000 CAD / year
- Full-time
Diagnose and resolve end-user issues related to password resets, application support, desktop/laptop hardware, printing, and network connectivity.
Added 1 hour ago
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Senior Manager - WM Business Risk
RBC
Toronto, ON
- Full-time
The Senior Manager, Business Risk, provides support to RBC Wealth Management (WM) Canada’s Operational Risk management leadership, by providing expertise, advice and counsel, enhancing…
Added 1 hour ago
WM
AP AR Specialist
Wyse Meter Solutions Inc.
Vaughan, ON
- $50,000 to $52,000 CAD / year
- Full-time
Support with building reporting for the Accounts Payable function.
Added 1 hour ago
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Desktop support Analyst
Air Transat
Montreal, QC
- Full-time
…analysis, mobility management, service optimization, and technical support expertise to enhance the employee experience and improve IT service delivery. The incumbent works closely with…
Added 1 hour ago
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Service Desk Analyst
Yochana
Mississauga, ON
- Contract
Microsoft Windows,MS Remote Desktop Services (RDS),Touch Services,Video/Telepresence - Others
Added 1 hour ago
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IT Help Desk Support I
YNCU
Kitchener, ON
- $53,000 to $62,000 USD / year
- Full-time
The IT Help Desk I provides responsive, professional, and customer-focused technical support to the organization’s end users. Serving as the first point of contact for technology-related…
Added 1 hour ago
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TSR 2 - Technical Service Representative
Compugen Inc
Quebec, QC
- Full-time
…associated operating systems and application software at the desktop…
Added 1 hour ago
NC
Help Desk Analyst (6-month contract)
Noble Corporation
Concord, ON
- Temporary
Support common remote work technologies including virtual desktop environments (Citrix, RDP)
Added 2 hours ago
AS
Quality Engineer
AgileGrid Solutions
Canada
- Full-time
…liquid cooling technology for data centers, supercomputers, and desktop computers. Founded in Calgary, Alberta, in 2001, CoolIT designs and manufactures cooling solutions used by major…
Added 2 hours ago
NC
Help Desk Analyst (6-month contract)
Noble Corporation
Vaughan, ON
- Temporary
Support common remote work technologies including virtual desktop environments (Citrix, RDP)
Added 2 hours ago
ND
Deskside Technician - FTR - Victoria
NTT DATA North America
Victoria, BC
- Full-time
1-2 years’ experience with desktop/software support & hardware (break/fix).
Added 2 hours ago
Interim Retail Store Manager
Fire & Flower Inc.
Ottawa, ON
Manual dexterity required to use desktop computer and peripherals.
Added 2 hours ago
I.T.C. Infrastructure Technologist
City of Brandon
Brandon, MB
…of the City’s computing and communication infrastructure to support all municipal government operations. This includes optimizing networks, servers, and related components for high…
Added 2 hours ago
MD
Office Administrative Assistant-Office & Admin Specialist Int
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
…inclusion, and invests in employees by providing benefits, support resources, and training and development…
Added 2 hours ago
RI
Service Desk Analyst
Raas Infotek
Mississauga, ON
- Contract
Microsoft Windows,MS Remote Desktop Services (RDS),Touch Services,Video/Telepresence - Others
Added 2 hours ago
RI
Service Desk Analyst
Raas Infotek
Mississauga, ON
- Contract
Provide Level 2 remote support to end users. Resolve escalations from the Service Desk across operating systems, networks, applications, and endpoint management. Meet SLAs and keep…
Added 2 hours ago
TT
IT Support Technician
TWD Technologies Ltd.
Burlington, ON
- Full-time
TWD is currently seeking an IT Support Technician in either our Burlington - Ontario, Edmonton - Alberta or Burnaby - British Colombia office. If you would like to apply for this position,…

Aptino, Inc.

Senior Dotnet Developer

Montreal, QC, Canada

$45 to $50 CAD / hour · Contract

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Job details

Pay: $45 to $50 CAD / hour
Job type: Contract
Apply by: Dec 4, 2026
Experience: 5+ years of hands-on experience in Microsoft .NET technologies.
Posting language: English
Posted: Nov 4, 2026

Original job description

We are looking for an experienced Senior .NET Developer to design, develop, maintain, and modernize enterprise applications. The ideal candidate will have strong hands-on experience with C#, .NET Core, API development, Windows applications, application troubleshooting, and enterprise integrations.

Key Responsibilities

Design, develop, implement, and maintain enterprise applications using C# and .NET/.NET Core.
Support and modernize legacy applications while improving performance, stability, and maintainability.
Develop and integrate REST APIs, SOAP web services, HTTP services, and XML-based integrations.
Troubleshoot application issues, perform root cause analysis, and resolve security vulnerabilities.
Support applications running on Windows 10/11, Windows Server, cloud, and container platforms.
Work with OpenShift and containerized application environments.
Participate in code reviews, testing, deployment, CI/CD, and production support.
Collaborate with Agile teams, infrastructure, SRE, and business stakeholders.

Required Skills

5+ years of hands-on experience in Microsoft .NET technologies.
Strong expertise in C#, .NET, and .NET Core.
Experience with front-end, back-end, desktop, and Windows-based applications.
Strong knowledge of REST APIs, SOAP, HTTP services, and XML.
Experience with OAuth, Active Directory, application certificates, and authentication mechanisms.
Experience in application debugging, troubleshooting, root cause analysis, and legacy code refactoring.
Knowledge of CI/CD, source control, and deployment processes.
Exposure to OpenShift, Kubernetes, or containerized environments.
Strong communication, analytical, and problem-solving skills.

Nice to Have

Experience with Java, Spring Boot, and Spring MVC.
Knowledge of Maven/Gradle, JUnit, and Hibernate/JPA.
Experience with microservices and cloud platforms.
Banking or financial services industry experience.

Important Requirement

Candidates must be willing to work onsite in Montreal 4 days per week. This requirement is non-negotiable.

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More about this job

Responsibilities

Design, develop, maintain, and modernize enterprise applications using C# and .NET, and build integrations through REST APIs, SOAP services, HTTP services, and XML. Troubleshoot and secure applications, support Windows and containerized environments, and contribute to code reviews, testing, CI/CD, deployments, and production support.

Requirements

Candidates need at least five years of hands-on Microsoft .NET experience, strong C# and .NET Core expertise, and experience with application development, integrations, authentication, debugging, and legacy code. The role also calls for CI/CD and deployment knowledge, exposure to container platforms, strong communication and problem-solving skills, and willingness to work onsite in Montreal four days per week.

Skills

C#
.NET
.NET Core
REST APIs
SOAP
HTTP Services
XML
OAuth
Active Directory
Application Certificates
Application Troubleshooting
Root Cause Analysis
CI/CD
OpenShift
Kubernetes
Legacy Code Refactoring

Visa sponsorship

Not detected in the job text

Keywords

C#
.NET
.NET Core
Enterprise Applications
REST APIs
SOAP Web Services
HTTP Services
XML
OAuth
Active Directory
Application Certificates
Windows 10
Windows 11
Windows Server
OpenShift
Kubernetes
Containers
CI/CD
Source Control
Code Reviews
Agile
Application Security
Legacy Modernization
Java
Spring Boot
Spring MVC
Maven
Gradle
JUnit
Hibernate/JPA

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