Senior Web Developer hands-on development and modernization of enterprise web applications
Job in
Edmonton, Alberta, Canada
Listing for:
S.i. Systems
Contract
position
Listed on 2026-06-04
Job specializations:
-
Software Development
C# / Unity Developer, ASP.NET Developer, Web Developer, .NET Developer
Job Description & How to Apply Below
Position: Senior Web Developer responsible for hands-on development and modernization of enterprise web applications using.NET,
Our client has an immediate opportunity for a Senior Web Developer responsible for hands-on development and modernization of enterprise web applications using .NET, SQL Server, and Umbraco CMS, including legacy refactoring and COTS evaluation.
6-month contract with extension
Must Have:
7+ years of Web Application Development experienceStrong expertise in C# and .NET / ASP.NET Core (MVC, Web APIs)Hands-on experience with Umbraco CMS (v8+ preferred)Advanced SQL Server skills (query optimization, stored procedures, data modelling)Experience with RESTful APIs, authentication, and authorizationStrong understanding of modern web technologies (HTML5, CSS3, JavaScript)Experience with Git / source control workflowsNice-to-Have:
Experience with Azure (App Services, SQL Azure, Dev Ops)Familiarity with CI/CD pipelines and Dev Ops practicesExperience with React, Angular, or VueExperience with WCAG / accessibility standardsExposure to Agile/Scrum environmentsExperience modernizing legacy systems and supporting application rationalization initiativesExperience evaluating or integrating COTS solutionsResponsibilities:
Ability to work in a 70–80% hands-on development role with some architecture/design involvementAbility to collaborate with technical and business stakeholdersDevelop and maintain enterprise web applications using C#, .NET / ASP.NET Core, SQL Server, and Umbraco CMSSupport web modernization initiatives, including legacy refactoring and COTS evaluationBuild and optimize SQL Server databases (queries, stored procedures, performance tuning)Collaborate with stakeholders on requirements, design, estimates, and technical solutionsParticipate in code reviews, CI/CD processes, and deployment activities to ensure quality delivery
Position Requirements
10+ Years
work experience
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