Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS expertise in legacy
Job in
Toronto, Ontario, M5A, Canada
Listing for:
S.i. Systems
Full Time, Contract
position
Listed on 2026-07-20
Job specializations:
-
Software Development
Full Stack Developer, Software Engineer, Cloud Engineer - Software, .NET Developer
Job Description & How to Apply Below
Position: Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application
Sr. Full Stack Software Developer (.NET Core, C#, ReactJS, Azure/AWS) with expertise in legacy application modernization, MS Access/on-prem migration, Power Shell scripting, SQL/DB2 -
Duration: 6 Months
Location: Winnipeg, London or Toronto
Hybrid: Yes, 3x/week at preferred office
Overview:
Help Lead a dynamic team to design, develop, integrate, test, transition to production, and maintain internal software applications.Mentor and guide existing developers, providing technical leadership and fostering a collaborative team environment.Collaborate with various functional teams, analysts, and architects to define and implement technical solutions.Contribute to problem elimination through permanent fixes, including identifying solutions, scoping the work, and executing changes.Provide production support, application monitoring, and tuning for applications.Deliver meaningful real-time results by troubleshooting application problems.Drive continuous improvement initiatives and adopt best practices in software development.Must Haves:
Must be Eligible or hold a valid Enhanced Reliability Clearance (5+ years in Canada)7+ years experience with the following stack: .
Net Core, C#, Python, React, VBA, Power Shell/Scripting languagesProven track record of leading successful software development projects.
MOVEit, Powershell, .NET Core, ReactJSExperience migrating legacy applications such as MS Access & on-premises applications to web and cloud solutions.Experience in Azure and/or AWS Cloud Development – Building solutions following sound architecture standards.Deep knowledge of relational and hierarchical databases (
MS SQL, DB2, Entity Framework).Strong understanding of Microsoft Windows operating system and/or mainframe environment.Experience with software development tools, such as:Software Version Control – SVN, Git Lab.Integrated Development Environments (IDE) – MS Visual Studio, VS Code,Collaboration tools – Jira, Confluence, SharePoint, Teams.
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