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JavaScript Developer

Philadelphia, PA 19125

Post Date: 02/28/2018 Areas of Expertise: Technical Pay Rate: $70k/yr

Contemporary Staffing Solutions is currently recruiting a JavaScript Developer for a Direct Hire position in Phildelphia, PA.


The ideal candidate should be an organized strong multi-tasker, who is self-motivated with great customer service skills. They should handle high stress situations with ease, and thrive in a busy environment. They should have a proven record of personal and professional achievement and able to master modern technologies as needed. A strong candidate should have the ability to function in a fast-paced, dynamic environment and an ardent desire to help a business grow.


Responsibilities of the JavaScript Developer:


  • Hand-code standards compliant JavaScript, HTML, CSS, and to achieve a consistent presentation across all major desktop and mobile browsers
  • Accurately and efficiently build Front-End design systems based on wireframes and design comps built in Photoshop or similar
  • Contribute to project discovery, UX, and design meetings
  • Cross-browser, cross-device test and quality assure all front-end code
  • Update and maintain existing sites in development, staging and production environments



Requirements of the JavaScript Developer:

  • Solid understanding of JavaScript, including ES2015+ coding standards
  • Proficiency working with at least one Front-End JavaScript application framework such as Angular, React or similar
  • Experience working with RESTful APIs
  • Experience writing JavaScript unit and integration tests
  • Experience coding standards compliant HTML5, CSS3, Sass/Less and other related front end technologies
  • Digital agency experience preferred
  • Proven experience building responsive, mobile-first websites for major desktop and mobile browsers
  • Experience with version control systems such as Git
  • Ability to hand-code standards compliant markup and resolve browser compatibility errors
  • Understanding and respect for web standards, code validation, and accessibility; prior experience with site testing tools
  • Strong understanding of separation of layers: keeping content, functionality, and presentation separated
  • Knowledge of performance optimization techniques such as lazy asset loading, AJAX, caching, responsive images, CDNs, etc.



  • Great location in the city
  • Flexible vacation time
  • Company paid trips to industry events and conferences, and paid training
  • Casual dress code
  • In-house Quiet Room
  • Annual non-profit participation and neighborhood outreach events
  • Medical, vision, and dental coverage; life insurance, and company-matching 401k

Christa Haines

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