.NET Full Stack Developer will be responsible for designing, developing, and supporting Master Data Management (MDM) applications utilizing AWS serverless architecture and modern .NET technologies. This role requires expertise in backend development, cloud-native application design, frontend development using Blazor, API development, security implementation, and DevOps practices. The ideal candidate will have strong experience with AWS services, .NET development, PostgreSQL databases, and modern web application frameworks. Key Responsibilities • Design, develop, and maintain MDM applications using AWS serverless architecture and .NET technologies. • Develop AWS Lambda functions using .NET and C# to support scalable and high-performance application services. • Implement business rules, validation logic, and reusable application components. • Develop and maintain shared libraries to support backend and frontend application functionality. • Design and implement RESTful APIs using AWS API Gateway, Lambda integrations, and serverless design patterns. • Develop and optimize solutions utilizing AWS Aurora PostgreSQL databases. • Build and maintain frontend applications using Blazor WebAssembly and modern UI frameworks. • Implement secure communication patterns between frontend and backend services. • Integrate third-party components and UI libraries to enhance user experience and application functionality. • Implement authentication and authorization solutions using Amazon Cognito and Microsoft Entra ID. • Configure and support API security controls, access management, and secure application integrations. • Manage application secrets and credentials using AWS Secrets Manager. • Support CI/CD processes using Azure DevOps and GitHub Enterprise. • Develop and maintain automated testing frameworks and quality assurance processes. • Utilize Docker for local development, testing, and deployment support activities. • Configure and support AWS CloudFront, Amazon S3, and other cloud services to optimize application delivery and performance. • Implement monitoring, logging, and observability solutions using CloudWatch, AWS X-Ray, and related tools. • Collaborate with cross-functional teams to define requirements, troubleshoot issues, and deliver high-quality software solutions. • Participate in code reviews, architectural discussions, and continuous improvement initiatives. Required Qualifications • 7+ years of experience in .NET development using C#. • 7+ years of experience developing cloud-based applications using AWS services, including AWS Lambda, API Gateway, and Amazon S3. • Experience designing and developing RESTful APIs and serverless application architectures. • Experience with Blazor WebAssembly (WASM) application development. • Experience with frontend frameworks and component libraries such as Fluxor and MudBlazor. • Strong understanding of OAuth 2.0, OpenID Connect (OIDC), Amazon Cognito, and Microsoft Entra ID. • Experience working with PostgreSQL databases, including Aurora PostgreSQL environments. • Experience with Azure DevOps, GitHub Enterprise, and modern CI/CD practices. • Experience with Docker and container-based development workflows. • Knowledge of application monitoring, observability, and cloud operations best practices. • Strong analytical, troubleshooting, and problem-solving skills. • Excellent verbal and written communication skills. Preferred Qualifications • Experience with AWS Aurora Serverless v2. • Experience using AG Grid or similar advanced data grid components. • Experience implementing automated testing frameworks using Playwright and Python. • Familiarity with F# development and functional programming concepts. • Experience with AWS CloudFront, CloudWatch, AWS X-Ray, and other cloud-native observability tools. • Experience building Master Data Management (MDM) solutions. • Experience working within enterprise cloud environments and distributed application architectures. • Ability to work onsite or in proximity to San Diego, CA preferred.