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# Sr. UI/UX Developer

- **Company:** Halvik Corp.
- **Location:** Vienna, VA, United States (Remote available)
- **Experience:** Expert
- **Salary:** $160,000.0 - $180,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, XML Schema, HTML5, C Sharp (Programming Language), Cascading Style Sheets (CSS), Darwin Information Typing Architecture (DITA), Language Integrated Query, Design of User Interfaces, Web Applications, Extensible Markup Language (XML), Xml Technologies, Blazor, Information Technology, Figma
- **Published:** July 2, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=cbda478dde55e95c

## About the Role

* HTML5 experience
 * Advanced Cascading Style Sheet (CSS) experience
 * Web design experience
 * UI/UX Research and requirements gathering
 * Figma prototyping
 * HTML coding skills and prototyping
 * Advanced CSS design skills
 * Education: Bachelor's Degree in Computer Science recommended, but not required
 * Experience: 5+ years recent experience as a Senior Developer
 * Technical Proficiency: CSS, HTML5, UI design, XML content creation, XML Schema

Preferred Expertise:

 * Experience with XML syntax
 * Experienced at creating XML documents that conform to an established schema or DTD (DITA / DocBook / MIL-Specs / etc.)
 * Experience designing web sites with Microsoft Blazor

## Description

This position serves as a key liaison between XML schema development for the Federal Register and Congressional Record and the XPub Horseshoe application used by PrePress staff to create, edit, and publish XML documents. Specific activities include but are not limited to:

Core Responsibilities

 * Improving the user experience and workflow for document editors, ensuring Horseshoe effectively supports XML markup, validation, and correction activities.
 * Collaborate with business stakeholders, XML schema developers, and software engineers to translate publishing requirements into intuitive application functionality while leveraging knowledge of XML technologies, document publishing workflows, and enterprise web applications.
 * Experience with Microsoft Blazor, C#, LINQ-to-XML, and REST-based architectures is highly desirable


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