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Sr. UI​/UX Developer

Job in Vienna, Fairfax County, Virginia, 22184, USA
Listing for: Tetra Tech
Full Time position
Listed on 2026-07-04
Job specializations:
  • Software Development
    Front End Developer, HTML CSS, Full Stack Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below

Position Overview

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 Pre Press 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.
Minimum Requirements
  • 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 / Doc Book / MIL-Specs / etc.)
  • Experience designing web sites with Microsoft Blazor
Benefits
  • Company-supported medical, dental, vision, life, STD, and LTD insurance
  • Benefits include 11 federal holidays and PTO
  • Eligible employees may receive performance-based incentives in recognition of individual and/or team achievements
  • 401(k) with company matching
  • Flexible Spending Accounts for commuter, medical, and dependent care expenses
  • Tuition Assistance
  • Charitable Contribution matching

Halvik Corp is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

Halvik's pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

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