Job Openings >> Sr. UX/UI Designer
Sr. UX/UI Designer
Title:Sr. UX/UI Designer
Department:Marketing & Creative Services
Location:Costa Mesa


Are you ready to slay each day in a position that perfectly suits your skills at a company that rewards passion, creativity and innovation? Because Ultra/Mint Mobile is looking for our next extraordinary Sr. UX/UI Designer to level up our Marketing & Creative Team in Costa Mesa!

As Sr. UX/UI Designer, you’ll work closely with our Creative Director + Ecommerce team and collaborate with our team of talented designers, animators, and marketing mavens to develop creative content for two brands: Ultra Mobile and Mint Mobile. Your designs will be implemented by our team of dedicated ecommerce engineers in order to deliver a cutting-edge and world-class digital experience to our visitors.  You should have a special blend of design, usability and how pages are laid out on the web. You’ll will be responsible for designing a customer experience that tells a story, elicits an emotional response and drives customers to action.

At Ultra Mobile, you'll join a talented squad in an exciting and evolving industry that will hone your skills, nurture your growth, and offer career development opportunities abound (that means a lot!). We can offer you a fast-paced and driven working environment with challenging work, Fortune 500-style benefits, and great colleagues as well as career development opportunities.


If you’re the kind of person that bookmarks unique and interesting web experiences for later reference, this role is for you!  Your usual day of awesomeness will include:

  • Designing, developing and implementing creative/visual concepts for online marketing communication initiatives as well as the construction of emails and landing pages.
  • Creating front-end designs that solve problems identified by our Conversion Rate Optimization (CRO) team
  • Maintaining and enforcing a consistent design standard
  • Sitting with developers to ensure that the implemented code meets your high expectations


  • Bachelor’s degree in Graphic Design, Web & Front-End Development, Marketing/Advertising, and/or Interactive/Multimedia)
  • Fluent with HTML, CSS, JavaScript and JavaScript framewor
  • 10-15 years of UX/UI Design and Web Design Roles
  • Expert in Web Interface Design, Interaction Design
  • Proficient in wire-framing tools
  • Proficient in Sketch and Invision
  • High degree of competency in Adobe Creative Suite - Photoshop, Illustrator, Dreamweaver, After Effects, Flash
  • Ability to turn artwork into usable deliverables such as HTML templates and design across multiple screens
  • Knowledge of browser and platform compatibility issues
  • Understanding of the entire web development process, including design (UX & UI), development and deployment, with back-end knowledge
  • Proficient in concepting and building interactive solutions in appropriate authoring tools
  • Modular front-end coding skills (e.g. HTML templates, JavaScript dependency management)
  • Ability to create Cascading Style Sheets (CSS) that are consistent across all browsers and screen sizes
  • Strong understanding of the latest web technologies, desire and ability to keep abreast of innovative design trends, technologies and techniques and user-centered design
  • Strong communication skills (both written and verbal) with an ability to communicate ideas to internal team members and present to clients when needed
  • Resourceful and self-motivated, with the ability to work independently and solve problems
  • Highly organized and able to switch tasks based on priority
  • Extremely deadline oriented, adept at organizing and managing multiple projects
  • Meticulous attention to detail and brand standards ensuring only the best work
  • Ability and desire to collaborate across the agency to drive up standards of digital creativity
  • Can provide a compelling and cutting-edge portfolio showcasing great digital design case studies of distinctive work is required at the time of submission.


Ultra Mobile and Mint Mobile. Our two brands are basically the Batman and Superman of the wireless industry, saving our customers from our overpriced competitors with incredible prices and premium wireless service. We are inventors and innovators who believe in owning the outcome of everything we do, being action-based, and embracing the journey we’re on as a team.


We harness the power of innovation in the telecommunications industry with the nation’s fastest, most-advanced 4G LTE network served up at the best prices. Ultra serves the international community residing in America with low-cost plans that include unlimited global text and international calling to 80 destinations. Mint, our online only brand, is disrupting the digital sphere with big bulk savings on 3, 6 or 12-month plans catered to the domestic user. Together, both brands connect people everyday, everywhere with the click of a button…er touchscreen.


Does this position sound like someone you know? If you’re the person for the job, apply! If we don’t seem to be the right fit, refer a friend or colleague or that person that lives down the street and you can get $1,000. Just send an email to with

  1. Your name
  2. Their resume or link to their LinkedIn page


If we hire them and they stay for 90 days, you get $1,000 dollars! For more details on restrictions and rules, please email


This opening is closed and is no longer accepting applications
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