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Senior Banking .Net Developer - C#.net development, Outh2.0, strong cloud Azure experience and [...]

📍 S.i. Systems • toronto, on, Canada • Posted May 27, 2026

Full-time Posted May 27, 2026
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Job Description

Position Title: .Net developer

Duration: 6 months

Remote/Hybrid: Hybrid, Wednesday 3rd Friday

Office Location: 81 Bay 21st Floor

Responsibilities

.Net Developer to lead the design, development, and integration of a Single Sign-On (SSO) solution using OAuth 2.0 with a SaaS-based investment planning tool. The developer will work on an existing Java-based application, implementing secure integrations and leveraging existing frameworks to retrieve client financial data and transmit it to the SaaS platform.

Must Have Skills

  1. Hands-on experience with C#/.NET Core for backend API development - 5 years
  2. Experience in building Single Page Applications (SPA) using React or Angular - 3 years
  3. Experience with OAuth 2.0, OpenID Connect (OIDC), JWT token validation, and federated identity patterns - 3+ years
  4. Hands-on experience with Azure AD B2C - custom policies, claims transformation, and external identity prov...

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