We are seeking an Application Support Engineer to join an operations team responsible for supporting and enhancing critical customer-facing platforms. This role combines application support, troubleshooting, maintenance, and enhancement activities across web applications, APIs, and cloud-based environments. The ideal candidate will have strong experience with .NET technologies, React, API development, production support, and modern deployment practices.

Key Responsibilities

- Provide ongoing support, maintenance, and enhancement for customer-facing web applications and API platforms.
- Investigate, troubleshoot, and resolve production issues, incidents, and support tickets.
- Perform root cause analysis and implement corrective actions to improve application stability and performance.
- Develop and implement application enhancements, bug fixes, and feature updates.
- Build, maintain, and support RESTful APIs and related integrations.
- Collaborate with platform, infrastructure, and development teams on deployments and environment changes.
- Support containerized application deployments using Docker and cloud-native technologies.
- Manage and contribute to CI/CD pipelines using GitHub and GitHub Actions.
- Work with relational databases to support application functionality, troubleshooting, and data analysis.




- Partner directly with business stakeholders and end users to understand issues, gather requirements, and deliver solutions.
- Participate in operational support activities and ensure the reliability and availability of supported applications.

Required Qualifications

- Solid experience with C# and .NET technologies, including .NET Core 6 and .NET Framework/MVC.
- Experience building, supporting, and troubleshooting REST APIs.
- Hands-on experience with React development.
- Experience providing production support, troubleshooting complex issues, and performing root cause analysis.
- Experience with Docker and container-based deployments.
- Experience with GitHub, GitHub Actions, and CI/CD pipelines.
- Experience with SQL Server or other relational database technologies.
- Experience working in ticket-driven support environments.
- Strong communication skills and the ability to work directly with business stakeholders and users.

Preferred Qualifications

- Experience with Sitecore CMS.
- Experience with payment processing platforms or payment integrations.
- Experience administering IIS and Windows Server environments.
- Exposure to Microsoft Azure and Amazon Web Services (AWS).
- Experience working with Azure AKS, .NET Core 6 Azure DevOps, Azure Container Registry, AWS ECS, and related cloud technologies.

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📌 Application Support Engineer (Calgary)
🏢 Compunnel
📍 Calgary