Senior .NET / C# Blazor Full-Stack Developer - Primarily remote

Mode of Interview :- Webcam interview Long term contract Primarily remote; onsite as neededPreferred Local to PA Candidates***

Job Description:-

The Client Portal Developer leads the design, programming, and testing work for the first stages of the Client Portal. Responsibilities include—but are not limited to—the following:

• Develop conceptual front-end design documents, e.g., wire frames or UI mockups in coordination with Client staff to meet Keystone Design System (KDS) requirements

• Develop back-end technical documents, e.g., data dictionaries, entity relationship diagrams (ERDs) and other architectural documents to assist in development

• Serve as lead programmer for the Client Portal web application

• Coordinate with Client staff as necessary to identify network, database, application, and other technical requirements & specifications

• Coordinate with the GGDC Project Manager and other staff to identify status, risks, obstacles, or other items that may impact the Client Portal development roadmap

• Serve as the lead testing contact for the Client Portal web application, develop & perform test cases, and perform remediation of identified system bugs and other deficiencies

The Client Portal Developer will be a mid-level to senior-level application developer with 5+ years professional experience with the web application technologies (to be determined) used for the Client Portal.

Skills/Requirements:-

Skill Required Years

Proficiency in C# and .NET (preferably .NET 8–10), including asynchronous programming, dependency injection, and modern design patterns. Required

Hands on experience building applications with Blazor and Razor components. Required

Strong understanding of routing, component lifecycle, state management, data binding, and general web application architecture Required

Experience developing RESTful APIs in ASP.NET Core and integrating them with front end Blazor components. Required

Solid experience with SQL Server 2022, including database schema design, stored procedures, functions, triggers, indexes, and performance optimizati Required

Strong T SQL skills for writing and optimizing complex queries. Required

Experience with Entity Framework Core, including migrations, LINQ, and best practices for building data access layers. Required

Ability to design normalized, efficient, scalable databases and integrate them cleanly with application logic. Required

Ability to interpret business requirements and convert them into technical specifications and application architecture diagrams. Required

Experience designing modular, maintainable, and scalable applications. Required

Understanding of authentication, authorization, and security frameworks such as Identity, JWT, or Azure AD. Required

Familiarity with SOLID principles and clean architecture concepts. Required

Familiarity with logging, configuration management, exception handling, and API versioning. Required

Proficiency with Azure DevOps and common branching strategies. Required

Experience using Azure DevOps for CI/CD pipelines, automated builds, and work item management. Required

Ability to create meaningful unit tests and integration tests Required

Knowledge of secure coding practices and common application vulnerabilities. Required

Experience creating Power BI datasets, models, and reports, or integrating Power BI into applications. Nice to have

Experience with front end styling or UI frameworks (CSS, Bootstrap, Tailwind) to enhance Blazor interfaces. Nice to have