Application Support Engineer

Compunnel Inc.; Calgary; On-site; CAD 70,000 - 90,000; Full time

Job summary

Compunnel, Inc. is looking for an Application Support Engineer in Calgary, Alberta. In this role, you will support and enhance critical web applications and APIs.

The ideal candidate will have strong experience in C#, .NET technologies, and React, along with skills in troubleshooting and production support. Applicants should be familiar with Docker and CI/CD practices. Join us in ensuring the reliability and availability of customer-facing platforms.

Qualifications

• Strong experience with C# and .NET technologies, including .NET Core 6.
• Experience building, supporting, and troubleshooting REST APIs.
• Hands-on experience with React development.

Responsibilities

• Provide ongoing support, maintenance, and enhancement for web applications and APIs.
• Investigate, troubleshoot, and resolve production issues.
• Develop and implement application enhancements, bug fixes, and feature updates.

Skills

C# and .NET technologies

REST APIs

React development

Docker

SQL Server

GitHub and CI/CD pipelines

Troubleshooting and production support

Communication skills

Job description

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

• Strong 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.