Job Title: Senior Full‑Stack Web Portal Developer (.NET/Blazor)
Job ID: 814559 - Hybrid (Intial onsite)
Client: Commonwealth of PA - PDE
Closing Date: 10/26/2026 04:00 PM
Hybrid, available onsite at the start of the engagement and later when needed.
The interview will be virtual
The PSE SLDS Portal Developer will be a mid-level to senior-level application developer with 5+ years professional experience with the web application technologies.The PSE SLDS Portal Developer leads the design, programming,and testing work for the first stages of the PSE SLDS Portal.
Responsibilities:
·Develop conceptual front-end design documents,e.g., wire frames or UI mockups in coordination with OA OIT 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 PSE SLDS Portal web application.
·Coordinate with OA OIT 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 PSE SLDS Portal development roadmap.
·Serve as the lead testing contact for the PSESLDS Portal web application, develop & perform test cases, and perform remediation of identified system bugs and other deficiencies.
<>Required/Desired Skills</>
• Proficiency in C# and .NET (preferably .NET 8–10), including asynchronous programming, dependency injection, and modern design patterns.
• Hands on experience building applications with Blazor and Razor components.
• Strong understanding of routing, component lifecycle, state management, data binding, and general web application architecture
• Experience developing RESTful APIs in ASP.NET Core and integrating them with front end Blazor components.
• Solid experience with SQL Server 2022, including database schema design, stored procedures, functions, triggers, indexes, and performance optimizati
• Strong T SQL skills for writing and optimizing complex queries.
• Experience with Entity Framework Core, including migrations, LINQ, and best practices for building data access layers.
• Ability to design normalized, efficient, scalable databases and integrate them cleanly with application logic.
• Ability to interpret business requirements and convert them into technical specifications and application architecture diagrams.
• Experience designing modular, maintainable, and scalable applications.
• Understanding of authentication, authorization, and security frameworks such as Identity, JWT, or Azure AD.
• Familiarity with SOLID principles and clean architecture concepts.
• Familiarity with logging, configuration management, exception handling, and API versioning.
• Proficiency with Azure DevOps and common branching strategies.
• Experience using Azure DevOps for CI/CD pipelines, automated builds, and work item management.
• Ability to create meaningful unit tests and integration tests
• Knowledge of secure coding practices and common application vulnerabilities.
• Experience creating Power BI datasets, models, and reports, or integrating Power BI into applications.
• Experience with front end styling or UI frameworks (CSS, Bootstrap, Tailwind) to enhance Blazor interfaces.
