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WEB Front-End Developer; Mid-Level

Donan Consulting
Full Timemid
Washington, District of Columbia, US$150k – $200kPosted February 27, 2026

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JavaScriptHTMLCSSReactAngularBootstrap

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Job Description

Position: WEB FRONT-END DEVELOPER (Mid-Level)

THE OVERALL PURPOSE OF POSITION:

  • The purpose of this position is to build application and web front-ends based on requirements from Stakeholder Engagement, programs, UX, and designers.

SCOPE OF WORK

  • The scope of work includes:
  • Supporting critical business functions through the development, implementation, and maintenance of web component libraries, ensuring the technical feasibility of UI/UX designs.
  • Skilled in front-end development frameworks and processes from UX design to web component delivery.
  • Understanding client-side scripting and JavaScript frameworks, including jQuery, Durandal

JS, Angular, Angular 2, React

JS, Gulp, Webpack.

  • Creating accessible forms (using ARIA) with client-side validation.
  • Experience with Bootstrap or similar technologies.
  • Using collaboration platforms and version control systems.
  • Building reusable code and libraries for future use.
  • Optimizing applications for speed and scalability.
  • Applying Lean principles, including rapid prototyping for user testing.
  • Understanding asynchronous request handling, partial page updates, and AJAX.
  • Basic knowledge of CSS pre-processing platforms like LESS and SASS.
  • Awareness of WCAG compliance as it relates to front-end code.
  • Working with Word Press APIs.
  • Basic image editing skills, familiarity with Gimp or Photoshop a plus.
  • Ensuring cross-browser compatibility.
  • Understanding SEO principles and ensuring adherence.
  • Leading and contributing front-end expertise across projects.
  • Designing, coding, testing, debugging, maintaining, and documenting web front-end customizations.
  • Following accessibility and W3C standards, contributing to improvements.
  • Collaborating with development teams and supporting business applications.
  • Representing IT front-end development expertise internally and externally.
  • Performing other duties as assigned.

QUALIFICATIONS AND EXPERIENCE:

Experience with .NET/SharePoint:

  • 4-6 years in XML, JavaScript, CSS, HTML, HTML

5.

  • 4-6 years in accessibility standards and tools (ARIA).
  • 4-6 years in Web Services, React

JS, Angular, Angular2, Webpack, Gulp.

  • 4-6 years in Bootstrap or similar platforms.
  • 4-6 years in Word Press APIs.
  • 4-6 years in technical documentation.

SPECIAL SKILLS:

  • Analytical and problem-solving skills with solution development ability.
  • Ability to lead and conduct design reviews, code reviews, and technical assessments.
  • Creativity in developing new ideas and approaches.
  • Ability to develop short-range plans and decisions.
  • Excellent interpersonal and communication skills.

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