Senior .Net Developer - Support, Maintenance & Development

Senior .NET Developer – Support, Maintenance & DevelopmentSystematix is currently seeking a
Senior .NET Developer – Support, Maintenance & Development
for our client, a major provincial energy utility organization, to support the development, maintenance, integration and ongoing operation of enterprise business applications.
ABOUT THE PROJECTSystematix is supporting a major Canadian energy utility organization with the ongoing development, maintenance and support of enterprise applications and integrations.The successful candidate will join the Enterprise Application Services (EAS) team, working closely with IT Operations, Enterprise Security, Solutions and Architecture, and Project Delivery teams to maintain and enhance critical business applications.The technology environment includes C# .NET, Angular, Node.Js, TypeScript, SQL Server, Microsoft Azure, Azure DevOps, IIS and REST-based APIs. Enterprise platforms include Oracle Fusion, ESRI, Oracle Customer Care and Billing, IFS, Amazon Connect, Jira and Microsoft 365.The Senior .NET Developer will contribute to application development, production support, system integrations, technical enhancements and the transition of new solutions into ongoing operations.
Design, develop, maintain and support enterprise applications using C# .NET and related Microsoft technologies
Develop and maintain modern web applications using Angular, Node.Js, HTML, CSS and TypeScript
Design, develop and integrate RESTful Web APIs using XML and JSON
Develop and maintain database scripts, queries and stored procedures using Microsoft SQL Server
Investigate and resolve production application issues, defects and performance problems
Implement application enhancements, system changes and ongoing maintenance activities
Support application and database server upgrades
Develop and maintain integrations between enterprise applications and external systems
Configure, deploy and support applications hosted in Internet Information Services (IIS)
Work with Microsoft Azure, Azure DevOps and CI/CD pipelines to support application delivery
Participate in application testing, debugging, performance tuning and technical troubleshooting
Conduct code reviews and ensure adherence to established development standards
Develop and maintain technical documentation, operational procedures and application support materials
Support operational acceptance activities and transition project deliverables into production support
Collaborate with developers, architects, security specialists, project managers and business stakeholders
Use development tools including Git, Visual Studio, Visual Studio Code and Postman
Support continuous improvement of application development, maintenance and operational support practices
Participate in on-call support activities when required and mutually agreed upon
REQUIREMENTS – Must-have
Minimum 5 years of experience developing applications using C# .NET
Minimum 5 years of experience integrating applications with Web APIs using REST, XML and JSON
Minimum 5 years of experience developing modern Web APIs
Minimum 5 years of experience developing web applications using Angular, Node.Js, HTML, CSS and TypeScript
Minimum 5 years of experience with Microsoft SQL Server database scripting
Demonstrated experience supporting and maintaining enterprise business applications
Strong application troubleshooting, debugging and problem-solving skills
Experience working collaboratively with technical teams and business stakeholders
Ability to develop and maintain technical documentation
Ability to work full-time onsite in Regina, Saskatchewan, Monday to Friday, 8:00 a.M.–5:00 p.M.
Ability to attend an interview if shortlisted
Nice-to-have
Bachelor’s degree or technical diploma in Computer Science, Information Systems, Engineering or a related discipline
5+ years of experience with Microsoft Azure administration, Azure DevOps and CI/CD pipelines
Experience with Microsoft Graph and Active Directory integrations
Experience with Git, Postman, Visual Studio and Visual Studio Code
Experience with SQL Server Reporting Services (SSRS), SQL Server Management Studio and Oracle SQL Developer
Experience with Oracle database scripting, stored procedures and data modelling
Experience configuring and deploying applications using IIS
Experience with Windows Server and PowerShell scripting
Experience with Jira administration and integrations
Experience with Workday integrations
Experience conducting load testing and application performance tuning
3+ years of experience with IFS integrations
2+ years of experience using AI-assisted software development tools, including GitHub Copilot or equivalent
Experience using AI-assisted tools for implementing, testing, debugging and refactoring code
2+ years of experience integrating AI services through APIs and SDKs
Experience with authentication, model response handling, testing and error handling for AI-enabled applications
2+ years of experience with Azure AI Foundry or a comparable AI development platform
5+ years of experience conducting code reviews and maintaining technical documentation
5+ years of experience supporting production applications, enhancements and ongoing maintenance
Experience leading operational acceptance and transitioning project deliverables into production support
Experience supporting enterprise applications in the energy or utilities sector
Strong communication, collaboration and analytical skills
ABOUT THE ROLELocation:
Onsite – Regina, SaskatchewanSchedule:
Monday to Friday, 8:00 a.M.–5:00 p.M. Saskatchewan timeStart:
January 2027End:
March 31, 2028Initial Duration:
Approximately 15 months
PAY DISCLOSUREIntermediate:
$75–90/hr CADSenior:
$95–105/hr CADCompensation is commensurate with experience, technical qualifications, specialized integration expertise and market conditions. The hourly rate is intended to be inclusive of applicable travel and living costs associated with the onsite requirement.
AI DISCLOSURESystematix may use artificial intelligence (AI) or other automated tools to support portions of our recruitment process. No automated system is used to make hiring decisions.
ABOUT SYSTEMATIXSystematix is one of Canada’s largest privately owned national consulting and resourcing firms. With offices across North America, we deliver high-calibre consulting services and technology professionals to clients across all levels of government and the private sector.Systematix is committed to fostering a diverse, inclusive workplace and is proud to be an equal opportunity employer.Systematix. Results Focused. People Driven.
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