Senior Support, Maintenance, and Development (.NET)

Focus Systems is seeking an experienced Senior Support, Maintenance, and Development (.NET) to support enterprise application development, maintenance, and production support initiatives.

If you have strong hands-on experience with C# .NET, Web APIs, Angular, SQL Server, and enterprise application integrations, this is an exciting opportunity to contribute to business-critical technology solutions within a large enterprise environment.

Key Details

• Location: Regina, Saskatchewan (100% Onsite)
• Work Schedule: Monday–Friday, 8:00 a.m.–5:00 p.m. Saskatchewan time
• Contract: January 2027 – March 31, 2028
• Potential Extensions: Up to four (4) additional one-year renewal terms
• Industry: Energy / Enterprise Application Services

Role Overview

The Senior .NET Developer will support the development, maintenance, enhancement, and production support of enterprise business applications and integrations.

The successful candidate will collaborate with IT Operations, Enterprise Security, Architecture, and Project Delivery teams to maintain reliable applications, resolve technical issues, and deliver enhancements aligned with business and operational requirements.

Key Responsibilities

• Develop, maintain, and enhance enterprise applications using C# .NET and modern web technologies
• Design, develop, and integrate RESTful Web APIs using XML and JSON
• Support web application development using Angular, Node.js, HTML, CSS, and TypeScript
• Develop and maintain SQL Server database scripts and integrations
• Troubleshoot production issues and implement application fixes and enhancements
• Support application maintenance, upgrades, and deployments
• Conduct code reviews and maintain technical documentation
• Collaborate with cross-functional teams to support operational readiness and application handover

Mandatory Qualifications

• Minimum five (5) years of C# .NET development experience
• Minimum five (5) years of experience integrating Web APIs (REST, XML, JSON)
• Minimum five (5) years of experience developing modern Web APIs
• Minimum five (5) years of web application development experience using Angular, Node.js, HTML, CSS, and TypeScript
• Minimum five (5) years of SQL Server database scripting experience
• Must be available to work full-time onsite in Regina, Saskatchewan, Monday to Friday

Required Skills & Experience

• Strong hands-on expertise in C# .NET, RESTful APIs, and enterprise application development
• Experience developing modern web applications using Angular, Node.js, HTML, CSS, and TypeScript
• Strong SQL Server scripting, database integration, and troubleshooting capabilities
• Experience supporting enterprise applications, production incidents, and system enhancements
• Knowledge of application deployment, maintenance, and technical documentation
• Strong analytical, communication, collaboration, and problem-solving skills

Preferred Experience & Assets

• Bachelor's degree or technical diploma in Computer Science, IT, Engineering, or a related discipline
• Experience with Microsoft Azure, Azure DevOps, CI/CD, Git, IIS, and Windows Server
• Experience with Microsoft Graph, Active Directory, PowerShell, and Microsoft 365 integrations
• Knowledge of SSRS, SQL Server Management Studio, Oracle SQL Developer, and Oracle database scripting
• Experience with Jira, Workday, or IFS integrations
• Experience with performance tuning, load testing, Postman, and Visual Studio/VS Code
• Experience using AI-assisted development tools such as GitHub Copilot
• Experience integrating AI services through APIs/SDKs and using Azure Foundry or comparable platforms
• Experience with code reviews, technical documentation, production support, and operational handover
• Previous North American work experience considered an asset

Application Information

Please complete your initial application by Nov 20, 2026.

Only candidates selected to proceed to the next stage will be contacted and invited to complete their application package.