Front End Developer


Job Description:

The Government Health and Safety Solutions Operation is seeking a Front End Developer in the Windsor Mill area of Baltmore, MD.

The candidate will work closely with User Experience Framework (UEF) analysts to ensure a standard user experience across internal and external applications is designed and developed.

This candidate will contribute to identifying a consistent, systematic approach to designing and developing User Interfaces (UIs) by providing common, reusable, and proven solutions to challenges within the Social Security Administration (SSA) agency applications.

This candidate will supports SSA’s strategic goal of delivering innovative, quality services for UEF by completing framework refactoring initiative activities.

This streamlining update reduces overhead and technical debt by refining best practices for a web component-based framework, increasing speed and performance by reducing the framework size, and addressing two-way data binding challenges posed by modern, single-page applications.

This candidate will utilize strong solution design skills and the ability to document, communicate, and implement the designs patterns they utilize.

The candidate will write technical white papers and document the design of proposed and new systems, as well as reverse engineering existing systems.

This candidate will provide technical support to users of UEF components.

This support will include problem resolution and aiding the user to learn from the experience.

To further expand adoption of UEF enahnacements, the candidate will conduct technical developer training sessions to expand the adoption of UEF throughout the developer community. 


Education & Certifications:

​​BS Degree with 11 years IT experience.

  • The candidate must possess strong oral and written communications skills in order to clearly and effectively convey issues, reports, and other deliverables.
  • Expert with HTML5, CSS3, Java, and JavaScript
  • Expert with CSS preprocessors, such as Less (preferred) or Sass.
  • Expert with Javascript-based templating, such as Nunjucks (preferred), Handlebars, Moustache, et. al.
  • Expert with Web Components frameworks, such as W3C Web Components, Vue.js (preferred), Polymer, Angular, React, Preact, Riot, et. al.
  • Experience with J2EE
  • Experience in responsive design, accessibility (Section 508, WCAG 2.1, WAI-ARIA)
  • Experience with StencilJS
  • Experience with ES6
  • Experience with NPM
  • Expereince with tool – VSCode, Node.js, npm, Git, Bitbucket, Trello, Jira, Confluence, JAWS 18, ANDI, tota11y


  • Experience with Struts 2
  • Experience with package managers, such Webpack, Browserify, et. al.
  • Experience with some type of task runner, such as Gulp (preferred), Grunt, et. al.
  • Experience with Test-Driven Development (TDD) and a JavaScript-based testing framework, such as Selenium (preferred), Cucumber, Mocha, Jasmine, QUnit, et. al.
  • Experience with headless browser automation tools, such as Nightwatch (preferred), PhantomJS, et. al.

External Referral Bonus:


Potential for Telework:


Clearance Level Required:

Public Trust



Scheduled Weekly Hours:




Requisition Category:


Job Family:

Software Development

Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world's toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company's 33,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.19 billion for the fiscal year ended December 28, 2018. For more information, visit

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to

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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