Senior Support Maintenance and Dev (.NET)

Aplin; Regina; On-site; CAD 110,000 - 140,000; Full time

Benefits offered by this job

Accommodation available

Job summary

Aplin is seeking a Senior Support, Maintenance and Development (.NET) professional to keep mission critical business applications running smoothly while building and enhancing modern integrations in a complex enterprise environment. This is a hands-on role blending development with production support, improving reliability and user experience.

The position is fully on-site in Regina, Saskatchewan (Monday to Friday).

Qualifications

• 5+ years of professional C# .NET development.
• 5+ years of experience integrating with REST Web APIs using XML and JSON.
• 5+ years of experience building modern APIs and backend services.
• 5+ years of experience building web applications with Angular, Node.js, TypeScript, HTML and CSS.
• 5+ years of SQL Server scripting experience.
• Ability to work full time on site in Regina, SK (Monday to Friday).

Responsibilities

• Build, enhance, and maintain C# .NET applications and services.
• Design and develop REST Web APIs and integrations using XML/JSON.
• Develop and support web applications using Angular, Node.js, TypeScript, HTML, and CSS.
• Write and maintain SQL Server scripts and queries.
• Troubleshoot, triage, and resolve production issues with emphasis on stability.
• Participate in code reviews and release readiness activities.
• Support application deployments and IIS configurations.
• Contribute to ongoing maintenance and environment compatibility work.

Skills

C# .NET

REST Web APIs

XML

JSON

Angular

Node.js

TypeScript

HTML/CSS

SQL Server

IIS

Azure

CI/CD

Education

Degree in Computer Science / Information Systems / Engineering

Tools

Azure DevOps

Git

Postman

Job description

Our client is seeking a Senior Support, Maintenance and Development (.NET) professional to keep mission critical business applications running smoothly while also building and enhancing modern integrations. This is a hands on role blending new development with production support, where your work will directly improve reliability, performance, and user experience across a complex enterprise environment. This position is fully on site in Regina, Saskatchewan (Monday to Friday).

Responsibilities

• Build, enhance, and maintain C# .NET applications and services
• Design and develop modern Web APIs (REST) and integrations (XML, JSON)
• Develop and support web applications using Angular, Node.js, TypeScript, HTML, and CSS
• Write and maintain database scripts and queries using SQL Server
• Troubleshoot, triage, and resolve production issues; deliver fixes and improvements with strong attention to stability
• Participate in code reviews, documentation, and operational readiness to support smooth releases
• Support application deployments and configuration in IIS
• Contribute to ongoing maintenance activities such as upgrades and environment compatibility work
• Collaborate with cross functional teams (operations, security, architecture, delivery) to ensure solutions are supportable

Qualifications

• 5+ years of professional experience developing with C# .NET
• 5+ years of experience integrating with Web APIs (REST) using XML and JSON
• 5+ years of experience developing modern APIs and backend services
• 5+ years of experience building web applications with Angular, Node.js, TypeScript, HTML, CSS
• 5+ years of SQL Server scripting experience
• Ability to work full time on site in Regina, SK (Monday to Friday)

Nice to have (not required):

• Degree or diploma in Computer Science, Information Systems, Engineering, or a related discipline
• Experience with Azure, Azure DevOps, and CI CD
• Familiarity with Git, Postman, performance testing and tuning
• Experience with SSRS, SSMS, or Oracle tooling and scripting
• Integrations experience (for example, identity directory services, ERP, HRIS, service platforms)
• Exposure to AI assisted development tools and integrating AI services via APIs or SDKs

If you’re ready to turn complex systems into calm predictable outcomes, send your application and let’s build something sturdy together.

At Aplin — together with our brands CompuStaff, Impact Recruitment, and Vantix Systems — we connect great people with great organizations across North America. We believe diverse teams build stronger companies, and we welcome applicants from all backgrounds, experiences, and perspectives. We use AI tools to assist in a fair and efficient matching process, helping our recruiters connect the right people with the right opportunities. To be considered, applicants must be legally entitled to work in Canada, including holding any required permits. Our recruitment services are always free for job seekers.Accommodation is available upon request throughout all stages of the recruitment process.