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Full Stack Developer UI​/UX

Job in Chantilly, Fairfax County, Virginia, 22021, USA
Listing for: Leidos
Full Time position
Listed on 2026-06-02
Job specializations:
  • Software Development
    Web Developer, Software Engineer
Salary/Wage Range or Industry Benchmark: 60000 - 80000 USD Yearly USD 60000.00 80000.00 YEAR
Job Description & How to Apply Below

Description

Leidos has immediate opportunities for a UI/UX Engineer to join a team building innovative software supporting the Sponsor’s Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management. We're supporting a well-established customer that is responsible for critical and high‑visibility missions applications used by a wide audience. Our team is tremendously talented, and we need to add a talented and creative UIUX Engineer to the team.

Primary Responsibilities
  • Proven ability to create well‑structured and maintainable Word Press site themes from scratch.
  • Proficiency in developing Word Press plugins to support custom site functionality and integrations.
  • Good eye for design and attention to detail.
  • Improve the overall efficiency of the website’s back‑end including database and server integration.
  • Maintain and optimize the Word Press theme and plugins.
  • Conduct website performance tests, and execute performance enhancements to improve site speed.
  • Monitor the performance of the live website and troubleshoot content and user experience issues that arise.
  • Responsible for both back‑end and front‑end development including the implementation of Word Press themes and plugins as well as site integration.
  • Effective interpersonal and communication skills are required to perform well as a member of a rapid paced, cross‑functional team environment.
  • Utilize agile development methodology.
Required Qualifications
  • Active TS/SCI with Polygraph.
  • Requires BS degree and 12+ years of prior relevant. Additional experience in lieu of degree.
  • Understanding of usability and accessibility issues across all device types.
  • Experience with Word Press front‑end development using the following technologies: HTML5, SASS (or equivalent preprocessor)/CSS, and JavaScript.
  • Experience with Word Press back‑end development using the following technologies: PHP, MySQL, WP REST API, JSON.
  • Developing custom features and functionality for Word Press.
  • Creating Word Press plugins.
  • Producing unit testing and QA.
  • Developing and Testing for Accessibility.
Desired Qualifications
  • Certification – Amazon Web Services (AWS).
Pay Range

$ - $

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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