Job Openings >> UI Developer
UI Developer
Title:UI Developer
Take a look at this job description, if you are the right person, please apply. If Ultra Mobile doesn't appear to be a fit for you, refer a friend or colleague and get $1,000. Just send us an email to with 1) your name and 2) their resume or link to their LinkedIN page. If we hire them and they stay for 90 days, you get $1,000. For more details of restrictions and rules, please email
Ultra is a company dedicated to creating innovative, authentic mobile communication experiences for people around the globe. We offer communication plans that break down barriers and allow our customers to easily and affordably connect with their communities – no matter where they may be.

We are looking for a UI Front-End Developer to join our Costa Mesa team! 

At Ultra Mobile, you'll join a company that feels like a start-up, and has the revenue of a larger business. We can offer you a fast-paced and driven working environment with challenging work and great colleagues as well as career development opportunities.

Ultra Mobile focuses on delivering convenient and cost-effective unlimited talk, text and data services for the estimated 40 million foreign-born people living in the United States who regularly call or text internationally to stay connected with family and friends around the globe. We strive to develop meaningful, mutually rewarding partnerships with our customers, retailers, distributors and co-workers; creating differentiated communication products that better our communities, our families, our businesses and the global communication industry as a whole.

  • Flexible Schedule and Casual Dress
  • “Better than most” primary care giver benefits
  • Wide selection and more choices for Health Care plans
  • 401-k Match with wide selection and investment options
  • Single self-servicing portal for health care, payroll and deductions
As the UI Front-End Developer, you’re a serious programmer who is also well-versed in UX and layout design. Being an expert with the UI and the underlying code that drives it, you're able to take someone’s vision and turn it into a user-friendly application. You understand best practices in all aspects of the front-end process, ranging from HTML and CSS, to JavaScript and build tools. A quick thinker and problem solver, you’re always looking into new technologies.

  • Hit the ground running developing changes to our existing sites and applications.
  • Develop enhancements to our SPA-style subscriber activation portal.
  • Be flexible in your ability to learn various JavaScript frameworks and switch between them depending on the project at hand (e.g. AngularJS, KnockoutJS and DurandalJS).
  • Implement design changes as our brand’s vision and product offerings evolve.
  • Build and maintain mobile-optimized sites to ensure a robust user experience on all device sizes
  • Work with our API team to come up with fast, scalable solutions for company and consumer needs.
  • Integrate server-side API calls into JavaScript driven web applications via AJAX.
  • Collaborate with the Technology team via an Agile development workflow.
  • Be willing to try modern web technologies while balancing some level of backwards browser compatibility.
  • HTML, JavaScript and CSS
  • JavaScript MVC and MVVM frameworks (e.g., AngularJS and DurandalJS)
  • CSS pre-processors SASS and LESS
  • Git (for source code management and revision control)
  • GruntJS
  • RequireJS
  • UI grid frameworks (e.g., Bootstrap, Foundation)
  • PHP and Wordpress​ (depending on candidate’s skill level) 
  • Degree in Computer Science or related field preferred.
  • 0-2 years working in front-end web development.
  • Rock solid foundation in JavaScript, HTML, and CSS.
  • Skilled in responsive web design.
  • Proven experience with at least one JavaScript MVC or MVVM framework (e.g. AngularJS, DurandalJS, BackboneJS, EmberJS).
  • Basic Photoshop skills.
  • Ability to express yourself clearly and work well with others.
  • Capacity to follow technical specifications, yet know when to leap outside of the box and take the lead.
  • Some experience with backend development, preferably with LAMP (not essential, though would be nice to have experience)
Location: Costa Mesa, CA


We are an EOE! 

This opening is closed and is no longer accepting applications
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