Senior.NET Developer – Support, Maintenance

Senior .NET Developer – Support, Maintenance & Development Systematix 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 PROJECT Systematix 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

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