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JavaScript/Ruby on Rails Developer, Junior

Arlington, VA 22203

Posted: 07/15/2019 Employment Type: Contract Specialty: App/Web Development Job Number: 9460

The Squires Group, Inc. has multiple contract opportunities for Junior JavaScript/Ruby on Rails Developers to join a Federal Project in Arlington, VA, and Washington, DC.  In this role, you will help support the ongoing web application development effort.  Using multiple open-source frameworks, a continuous integration environment, and automated continuous deployments to the public cloud hosting environment, you’ll join a team of developers building the next-generation of customer engagement systems for federal service agencies. The successful candidate should have the willingness and ability to learn new techniques and technologies quickly.


Per our Federal Government contract, candidates must be U.S. Citizens, eligible to pass the client’s background requirements.


  • Work with product owners and colleagues to interpret feature requests and develop software in iterative design/build/test cycles using an Agile development process for a responsive web application
  • Drawing on components from the project’s open-source framework, use JavaScript, React.JS, RESTful web services, and Ruby on Rails to design, build and test software components for citizens and employees
  • Develop front-end user interface components using JavaScript, HTML and CSS and back-end APIs to support the front-end application
  • Regularly check code into our continuous integration pipeline based on Jenkins to incrementally build our overall system and get immediate feedback on build performance
  • Develop and expand unit and integration tests which will be automatically run by the build pipeline for developer feedback using JUnit and other tools like Cucumber, JMeter, and Selenium


  • 3+ years of application development experience
  • 1+ year of experience with Ruby on Rails (preferred)
  • 3+ years of experience of JavaScript (e.g., React.js)
  • 3+ years of experience with HTML
  • Experience in using and managing change management tools, Git, Subversion, TortoiseSVN, and build server software (Jenkins/Hudson/Bamboo)
  • Per our Federal Government contract, candidates must be U.S. Citizens, eligible to pass the client’s background requirements 

Preferred Qualifications:

Experience with the following technologies:

  • Automated Testing
  • Amazon Web Services Integration 


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The Squires Group, Inc. is an Equal Opportunity Employer M/F/Vets/Disabled.