Sr Full Stack Developer #103695Job Title: IT - Applications Developer - Senior (Senior Full Stack Developer)Start/End Dates: 6/15/2026 - 12/14/2026Location: Toronto, Bay St., 81 Bay 21st Floor – hybrid; Wednesday in office plus every 3rd FridayWork Schedule: Mon‑Fri 9‑5 (approximately 40 hours/week). Potential OT on manager approval.Target Rate Range: $70‑$90 per hour (B2B)Contract Details: 6‑month term with potential extension or conversion to FTE.Job DescriptionWe are seeking a highly skilled .NET developer to design, develop, and integrate 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- Hands‑on experience with C#/.NET Core for backend API development – 5+ years- Experience building Single Page Applications (SPA) using React or Angular – 3+ years- Experience with OAuth 2.0, OpenID Connect (OIDC), JWT token validation, and federated identity patterns – 3+ years- Hands‑on experience with Azure AD B2C – custom policies, claims transformation,



and external identity provider federation – 3+ years- Proficiency with Azure SQL Database – schema design, stored procedures, row‑level security (RLS), and performance tuning – 3+ years- Experience building and consuming RESTful APIs with proper authentication, authorization, and error handling – 2+ years- Working knowledge of Azure PaaS services – App Service, API Management (APIM), Azure Functions, Key Vault – 3+ years- Experience with Azure monitoring stack – Application Insights, Azure Monitor, Log Analytics – 3+ yearsNice‑to‑Have Skills- Experience with Microsoft Authentication Library (MSAL)- Experience with serverless patterns using Azure Functions- Familiarity with API gateway patterns and Azure APIM policies (rate limiting, transformation, caching)- Exposure to external‑facing applications in financial services or regulated industries- Knowledge of WCAG 2.1 accessibility standards- Experience with containerization (Docker)- Understanding of secure coding practices (OWASP Top 10)Additional InformationProject: CIBC Goal Planner. Role is closed on June 4 at 1 pm.#J-18808-Ljbffr

📌 Sr.Net Developer 103695 - $70 - $90 An Hour (Toronto)
🏢 CIBC
📍 Toronto