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Senior Software Architect with experience designing and implementing web-based applications in a Microsoft environment

Hospitality Full Benefits Career Growth
Company

S.i. Systems

Location

Toronto, Canada

Posted

March 13, 2026

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About This Opportunity

Our client is looking for a Senior Software/Application Architect with experience designing and implementing web-based applications in a Microsoft environment

Must Have:

  • 8+ years in .NET development
  • 4+ years architecture
  • Strong experience with YARP or similar reverse proxy architectures
  • Proven delivery of large system integrations
  • API-first design experience (REST, JSON, versioning)
  • Authentication integration (SSO, OAuth2/OIDC)
  • Strong debugging and system-analysis skills

    • Nice to Have:

  • Hands-on architecture for government or enterprise systems (preferred)