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.

Contract: January 2027 – March 31, 2028

Potential Extensions: Up to four (4) additional one-year renewal terms

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 up-to-date 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

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📌 Senior Support, Maintenance, and Development (.NET) (Saskatchewan)
🏢 Focus Systems
📍 Saskatchewan