.Net Developer

Job Overview

We are seeking a .NET Developer to lead the design, development, and integration of secure authentication solutions for a financial client. This role involves backend API development, single sign‑on integration, and cloud platform support.

• Lead the development of backend APIs using C#/.NET Core, ensuring scalability and security
• Design and implement Single Sign‑On solutions with OAuth 2.0, OpenID Connect, and JWT tokens
• Integrate secure APIs with existing Java applications to retrieve and transmit client financial data
• Develop and maintain SPA front‑end components using React or Angular
• Configure and optimize Azure SQL Database schemas, stored procedures, and security features such as row level security
• Utilize Azure PaaS services including App Service, API Management, Functions, and Key Vault for deployment and management
• Monitor application performance and troubleshoot issues using Azure Monitor, Application Insights, and Log Analytics
• Collaborate with cross‑functional teams to ensure security standards and accessibility compliance (WCAG 2.1)
• Contribute to containerization efforts using Docker and support secure coding practices

• Minimum 5 years of hands‑on experience with C#/.NET Core backend API development
• At least 3 years of experience building SPAs with React or Angular
• Proven expertise with OAuth 2.0, OIDC, JWT, and federated identity patterns over 3 years
• Strong knowledge of Azure AD B2C, including custom policies, claims transformation, and federation
• Proficiency with Azure SQL Database—schema design, stored procedures, and row level security—at least 3 years
• Experience developing and consuming REST APIs with proper security controls
• Working knowledge of Azure services like App Service, API Management, Functions, and Key Vault
• Familiarity with Azure monitoring and logging tools such as Application Insights and Log Analytics
• Awareness of secure coding practices aligned with OWASP Top 10 standards

• Experience with Microsoft Authentication Library (MSAL)
• Knowledge of serverless patterns using Azure Functions
• Familiarity with API gateway patterns, including Azure API Management policies (rate limiting, transformation, caching)
• Exposure to external‑facing financial or regulated industry applications
• Understanding of WCAG 2.1 accessibility standards
• Hands‑on experience with Docker containerization
• Knowledge of secure coding practices and industry compliance standards

Beach Head is an equal prospect agency and employer. We advocate for our candidates and welcome applicants regardless of race, color, religion, national origin, sex, age, or physical or mental disability. Beach Head or our clients may use technology‑enabled tools, including automation and artificial intelligence (AI), to support parts of the recruitment process such as resume screening, application management, and candidate matching.

These tools assist our recruiters and our clients, and do not replace human decision‑making. This job posting represents a current or anticipated vacancy. The position may be filled at any time, and the posting may be removed without notice once the role has been filled.