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Expert UI/UX Developer

ManTech

Herndon, VAJobSeen 2 days agoSeen in employer's feed 2 days ago

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At a glance

Compensation
No compensation found
Location
Herndon, VA
Work Authorization
US work authorization required

Olive lists jobs from US employers, including remote roles you can work from the United States.

Requirements

Credentials this posting asks for.

TS/SCI clearance

Job overview

MANTECH seeks an Expert UI/UX Developer to build responsive front-end applications for Intelligence Community capabilities. The role involves translating user and mission requirements into maintainable software, creating design mockups, integrating with cross-functional teams, and supporting testing and deployments. The developer also participates in Agile/Scrum ceremonies, communicates with stakeholders, and drives troubleshooting and process improvement.

Skills & qualifications

RequiredNice to have

Skills

Vue.jsJavaScriptHTML5CSS3Backend DevelopmentPythonLinuxWindowsTechnical LeadershipMentoringNode.jsAgile/ScrumSoftware AccessibilityADA ComplianceSection 508GitLabGitHubUI/UX Development

Qualifications

High School Diploma11+ Years Software Development5+ Years UI/UX DevelopmentBachelor's in Computer Science, Software Engineering, Information Systems, or Related Technical DisciplineTS/SCI With PolygraphStationary Position 50% of Time

Full job description

MANTECH seeks a motivated, career and customer-oriented Expert UI/UX Developer to join our team in Herndon VA. In this role you will work with an elite team of Software Developers, Data Engineers, and System Engineers who are developing and deploying unprecedented capabilities for the Intelligence Community.

Responsibilities include, but are not limited to:

  • Architect, design, and implement responsive front-end applications with deep expertise in UI/UX principles to deliver seamless, intuitive user workflows.

  • Analyze complex user and mission requirements to design robust, scalable, and maintainable software components.

  • Create high-fidelity design mockups and wireframes for new product features to secure customer and stakeholder buy-in prior to sprint implementation.

  • Collaborate closely with cross-functional team members to assess existing baseline functionality and plan seamless integration paths.

  • Execute unit testing, support automated test suites, and coordinate with independent verification and validation (IV&V) teams prior to production deployments.

  • Actively engage in all Agile/Scrum ceremonies, including sprint planning, backlog grooming, daily stand-ups, and retrospectives.

  • Maintain clear and transparent communication channels across development teams, project leadership, and end-user stakeholders.

  • Drive engineering excellence, root-cause troubleshooting, and continuous process improvements across the software development lifecycle (SDLC).

Minimum Qualifications:

  • High School Diploma and 11+ years of experience with software development

  • 5+ years of experience with UI/UX development

  • Experience with Vue.js, modern JavaScript, HTML5, and CSS3.

  • Experience with backend development or scripting experience developing in Python.

  • Experience with cross-platform development across both Linux and Windows

  • Ability to lead technical teams and mentor junior and mid-level developers.

Preferred Qualifications:

  • Bachelor’s degree in Computer Science, Software Engineering, Information Systems, or a related technical discipline.

  • Experience developing scalable server-side applications using Node.js.

  • Strong working knowledge of Agile/Scrum methodologies and framework practices.

  • Familiarity with software accessibility standards and compliance guidelines (e.g., ADA compliance / Section 508).

  • Experience with enterprise version control and CI/CD pipelines utilizing GitLab or GitHub.

Clearance Requirements: Active/current TS/SCI with Polygraph is required for this position

Physical Requirements: Must be able to remain in a stationary position 50% of the time

MANTECH International Corporation considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.

How this job compares

Set against the 41,225 open Software Engineer jobs on Olive Jobs, counted November 3, 2026.

Pay
  • This postingNot listed
  • Virginia median$128–205K/yr1,530 salary ranges
  • Virginia median$44–60/hr38 hourly ranges
Openings
Olive Jobs lists 1,779 open Software Engineer jobs in Virginia and 41,225 across the US. 7% of them nationwide are listed as remote or flexible.
Hiring the most in Virginia
Experience
This posting asks for at least 11 years of experience — more than three in four Software Engineer postings that state a minimum ask for (median 5 years, across 33,478 postings).
Education
This posting asks for a high school diploma; 14,596 of the 41,225 open Software Engineer jobs (35%) ask for a high school diploma or higher.

Counted across the open, public US postings on Olive Jobs on November 3, 2026. Pay medians are the middle values of the low ends and of the high ends of postings that list both ends of a range in the same cadence (a yearly salary or an hourly rate); a range's midpoint is halfway between its ends. Pay and experience figures resting on fewer than 20 postings are left out.

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