.Net developer

Job Description

We are seeking a highly skilled .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:

• Hands-on experience with C#/.NET Core for backend API development – 5 years
• Experience in 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 yeras
• Experience with Azure monitoring stack — Application Insights, Azure Monitor, Log Analytics – 3 years

Nice-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)