Sr. Mobile/Responsive Developer

Excellis Consulting Corporation - Philadelphia, PA


Excellis is seeking an emerging Mobile/Responsive Development leader to join our client's Mobile Center Of Excellence team. He or she will influence product development, strategy and architecture, be a collaborative contributor, and lead a good mix of UI and Back End Development work.

The Experience Design team has an effective partnership with the product and development teams. You will have a chance to collaborate with other developers, product owners, designers, brand clients and other executives throughout the product development lifecycle. The position requires a customer focus, a data-driven approach, and a focus on attention to detail in achieve a great UI for the product. The ideal candidate will be comfortable with ambiguity, passionate about development, and able to act well with minimal direction.

What you will be doing:

  • Ensure attention to detail throughout the product development process
  • Ensure a good marriage with the clickable prototype, wireframes, and development best practices set by the COE.
  • Understand and execute responsive development for mobile screens and views
  • Contribute to the development of useful, usable, and desirable user interfaces and mobile products in a team environment
  • Champion ongoing improvements by considering latest trends, self-research, customer feedback, site metrics, and usability findings
  • Work with product owners to develop and evangelize new product ideas
  • Work with other team members such as Product Owner, Designers, Business Analyst, and other Developers

Must Have:

  • At least 2-7 years of experience as a mobile developer, responsive developer, or similar role
  • Experience working with or conducting your own research, presenting results and acting on those results
  • Bachelor's degree in Computer Science, or equivalent professional experience
  • Experience working in an agile environment, working on a product backlog, and development for user stories and feature sets
  • Very strong expertise in front end web development HTML5/CSS3, Bootstap and Javascript.
  • Experience with Apache Cordova/PhoneGap, Backbone, React and AngularJS


  • A strong portfolio that demonstrates systematic and solid development thinking as well as a deep understanding of development best practices for responsive apps
  • Familiarity with the technical considerations needed when developing for browsers and devices
  • Experience with responsive development for mobile browsers, apps, touch-screen interfaces, and multiple screen sizes
  • Familiarity with design tools such as Sketch, and UXPin a plus
  • Success in creating innovative and user-friendly responsive apps and user friendly features
  • Experience with developer websites (such as Apple, Android, Amazon) a plus
  • Experience applying Accessibility best practices (WCAG)
  • Excellent communication, presentation and persuasion skills
  • Agile Scrum setup and familiar with design thinking a plas
  • Native Obj-C/Swift and Java development is a plus.

Job Type: Contract

Salary: $70.00 to $90.00 /hour


  • Service Oriented Architecture (SOA): 5 years (Required)
  • Backbone.js: 3 years (Required)
  • Swift: 3 years (Preferred)
  • CSS: 5 years (Required)
  • HTML 5: 5 years (Required)
  • Javascript: 5 years (Required)
  • Apache Cordova / PhoneGap: 5 years (Required)
  • Objective-C: 5 years (Preferred)
  • Angular: 3 years (Required)
  • Bootstrap: 3 years (Preferred)