Blazor Web Application Developer

TECKpert•Washington, DC

1d•$135,000 - $170,000•Remote

About The Position

We are looking for a Senior Blazor UI/UX Developer to support our client, a federal agency, on a multi-year modernization program that is replacing a legacy document publishing system with a modern Blazor-based web platform. The platform is a document-centric authoring and editing environment supporting the production of legislative and regulatory documents for both print and digital delivery. This engagement has two openings on the same program: a Mid-Level Blazor UI Developer (minimum 5 years of web application development experience) and a Senior Blazor UI/UX Developer (minimum 7 years of complex web application development experience). Both positions are Firm-Fixed-Price contract engagements with a base year and two option years, with primary work performed remotely and occasional trips to the client's Washington, DC facility.

Requirements

Bachelor's or Master's degree in computer science, information systems, or a related field, or equivalent professional experience
Minimum 5 years of web application development experience (7 years for senior candidates on complex web application projects)
Minimum 5 years of hands-on C#, JavaScript, HTML, and CSS in production environments
Demonstrated production experience with Blazor Server, including component design, state management, and server-side rendering behavior
Experience translating XML document structures into rendered HTML for browser display
Strong JavaScript interoperability experience (JS interop) for browser DOM manipulation from Blazor Server components
Experience with secure software development practices consistent with federal software security standards
At least one active or historical certification from the qualifying list (see Preferred Qualifications), with current relevant experience to support any historical certification
Authorized to work in the United States without sponsorship
Ability to pass an independent background check prior to client submission
Strong written and verbal communication skills for working with government stakeholders and cross-functional teams

Nice To Haves

Microsoft Certified: Azure Developer Associate (AZ-204)
Microsoft .NET certification (any current .NET credential)
CIW HTML5 Specialist or CIW JavaScript Specialist
Microsoft Certified: DevOps Engineer Expert (AZ-400)
Microsoft Certified: Azure Solutions Architect Expert (AZ-305)
Microsoft Certified: Power Platform Developer Associate (PL-400)
Experience with structured XML schemas such as DITA, DocBook, or comparable document-centric XML frameworks
Hands-on experience with Azure DevOps pipelines and Git-based CI/CD workflows
Prior work supporting federal, state, or public-sector document publishing platforms
Familiarity with legislative or regulatory document workflows

Responsibilities

Develop dynamic HTML rendering based on XML document structures using Blazor Server and C#
Implement event-driven UI behavior integrated with C# application logic on the Blazor Server rendering model
Build and maintain JavaScript interoperability for browser DOM interaction (JS interop) supporting rich in-browser editing behavior
Design and implement XML-to-HTML translation strategies and structured document rendering (senior role leads these strategy decisions)
Write secure, maintainable front-end code that complies with federal software security and accessibility standards
Contribute to CI/CD pipelines using Azure DevOps and support automated build, test, and deployment workflows
Participate in code reviews, architecture discussions, and iterative delivery ceremonies with the client's technical team
Author and maintain technical documentation, deployment runbooks, and knowledge transfer materials
Support user acceptance testing, defect triage, and post-deployment issue resolution
Coordinate with business owners, editors, and other developers to translate publishing requirements into working software