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Weekend User Interface Tester Jobs in Virginia (NOW HIRING)

NS2 Mission

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

Knowledge of UI testing frameworks * Exposure to cloud environments (AWS, Azure, or GCP) What You'll Bring * A strong eye for visual detail, layout, and user experience * Passion for creating ...

NS2 Mission

UI Developer

Chantilly, VA · On-site

$51.25 - $66.50/hr

Knowledge of UI testing frameworks * Exposure to cloud environments (AWS, Azure, or Google Cloud Platform) What You'll Bring * A strong eye for visual detail, layout, and user experience * Passion ...

NS2 Mission

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

Knowledge of UI testing frameworks * Exposure to cloud environments (AWS, Azure, or GCP) What You'll Bring * A strong eye for visual detail, layout, and user experience * Passion for creating ...

JASINT

User Interface User Experience (UI/UX)

Alexandria, VA · On-site

$100K - $125K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... testing (UAT). * The minimum skill level of the UI/UX Specialist shall be a Senior with expertise and experiences in the IT UI/UX career field. Position Requirements Minimum Requirements: Education ...

C-MCI

User Interface Developer

Ashburn, VA · On-site

$51.25 - $66.50/hr

... testing. We're looking for a highly skilled and experienced Senior Angular UI Developer to lead the greenfield development of a critical user interface application. This role demands a visionary who ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

... testing frameworks and methodologies for UI development. • Experience with responsive design and cross-browser compatibility. • Experience working with RESTful APIs and backend integration. • ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$51.75 - $67.25/hr

... testing frameworks and methodologies for UI development. • Experience with responsive design and cross-browser compatibility. • Experience working with RESTful APIs and backend integration. • ...

C2 Technologies, Inc.

UI Designer

Arlington, VA · On-site

$50K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Participate in user testing and incorporate feedback into design revisions. Required Education, Experience, and Skills: * BA/BS degree in graphic design, web design, user interface design, or related ...

C2 Technologies

UI Designer

Arlington, VA

$50K - $100K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Participate in user testing and incorporate feedback into design revisions. Required Education, Experience, and Skills: * BA/BS degree in graphic design, web design, user interface design, or related ...

Stem Xpert

UI developer

Herndon, VA · On-site

$51.50 - $66.75/hr

... testing, IT Consulting & staffing for IT Infrastructure Management through strategic consulting and ... Position details: UI Developer - AngularJS expert Location: Herndon, VA contract: 6months Kindly ...

Core Interface

UI Angular/React Engineer

Chantilly, VA · On-site

$106K - $142K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

UI Angular/React Engineer - TS/SCI with Polygraph Required About the Team At Core Interface, we ... End-to-end testing experience with Cypress or Playwright * Contributions to data visualization ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$51.25 - $66.50/hr

Experience with testing frameworks and methodologies for UI development. * Experience with responsive design and cross-browser compatibility. * Experience working with RESTful APIs and backend ...

Closure Technologies

UI/UX Engineer

Mclean, VA

$95K - $118K/yr

Plan and conduct user research activities including interviews, usability testing, and feedback ... Lead UX and UI efforts for complex, high-visibility applications. * Define, maintain, and evolve ...

Steampunk

UI/UX Designer

Mclean, VA · On-site

As a UI/UX Designer, you will be responsible for guiding government clients through our Design ... Conduct user research and testing and effectively translate user needs into an implementable ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$150K - $200K/yr

Experience with testing frameworks and methodologies for UI development. * Experience with responsive design and cross-browser compatibility. * Experience working with RESTful APIs and backend ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$150K - $200K/yr

Experience with testing frameworks and methodologies for UI development. * Experience with responsive design and cross-browser compatibility. * Experience working with RESTful APIs and backend ...

Redhorse Corporation

UI Developer

Chantilly, VA · On-site

$150K - $200K/yr

Experience with testing frameworks and methodologies for UI development. * Experience with responsive design and cross-browser compatibility. * Experience working with RESTful APIs and backend ...

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Weekend User Interface Tester jobs near you
Infographic showing various Weekend User Interface Tester job openings in Virginia as of August 2026, with employment types broken down into 1% As Needed, 69% Full Time, 25% Part Time, 4% Contract, and 1% Nights. Highlights an 94% Physical, 1% Hybrid, and 5% Remote job distribution.

UI Developer

NS2 Mission

Chantilly, VA • On-site

$51.75 - $67.25/hr

Full-time

Re-posted 28 days ago

Job description

Want to build clean, intuitive user interfaces that directly support mission-critical space operations? NS2 Mission is looking for a UI Developer with strong Vue.js experience to craft modern, responsive applications that deliver both performance and exceptional user experience.

In this role, you’ll support the EMMETT program, a next-generation Space Domain Awareness (SDA) Indications and Warning (I&W) system. The platform establishes and maintains a repository of resident space objects (RSOs), identifies objects of interest, and delivers critical data to ground operators.

You’ll play a key role in developing user interfaces that make complex space and sensor data accessible and actionable, working alongside a team leveraging programmatic expertise, sensor modeling, and systems engineering to deliver a world-class SDA capability.

Key Responsibilities

  • Design and develop dynamic, responsive user interfaces using Vue.js
  • Build reusable UI components and maintain consistency across applications
  • Translate wireframes, mockups, and design systems into high-quality code
  • Collaborate with UX/UI designers to refine user workflows and interactions
  • Integrate front-end components with RESTful APIs and backend services
  • Optimize UI performance and initial load times
  • Participate in code reviews and contribute to front-end/UI best practices
  • Troubleshoot and resolve UI/UX issues in production environments

Required Qualifications

  • Bachelor’s degree in Computer Science, or a related field
  • 5+ years of experience in user interface development
  • Proficiency in Vue.js
  • Experience with JavaScript, TypeScript, HTML5, and CSS
  • Understanding of responsive design and UI/UX principles
  • Experience integrating with RESTful APIs
  • Experience with version control systems (Git)
  • Ability to work onsite in Chantilly, VA

Preferred Qualifications

  • Experience with modern build tools and deployment pipelines
  • Knowledge of UI testing frameworks
  • Exposure to cloud environments (AWS, Azure, or GCP)

What You’ll Bring

  • A strong eye for visual detail, layout, and user experience
  • Passion for creating intuitive and aesthetically polished interfaces
  • Well-tested, maintainable code
  • Ability to balance design fidelity with technical performance
  • Strong collaboration and communication skills across geographically distributed team
  • A proactive mindset and attention to continuous UI improvement

Position Clearance Requirement:

TS/SCI with CI Poly


Please be aware many of our positions require the ability to obtain or maintain a U.S security clearance which requires U.S citizenship.

We win with inclusion

NS2 Mission’s culture of inclusion, focus on health and well-being, and flexible working models help ensure that everyone – regardless of background – feels included and can run at their best. At NS2 Mission, we believe we are made stronger by the unique capabilities and qualities that each person brings to our company, and we invest in our employees to inspire confidence and help everyone realize their full potential. We ultimately believe in unleashing all talent and creating a better world.

NS2 Mission is committed to the values of Equal Employment Opportunity and provides accessibility accommodations to applicants with physical and/or mental disabilities. If you are interested in applying for employment with NS2 Mission and are in need of accommodation or special assistance to navigate our website or to complete your application, please send an e-mail with your request to Recruiting Operations Team: NS2Mission.Careers@sapns2.com.

Qualified applicants will receive consideration for employment without regard to their age, race, religion, national origin, ethnicity, age, gender (including pregnancy, childbirth, et al), sexual orientation, gender identity or expression, protected veteran status, or disability, in compliance with applicable federal, state, and local legal requirements.