Senior UI/UX Designer

Location: San Jose, CA


C1X Inc. is a fast growing, series B funded ad tech company with headquarters in San Jose, US, and offices worldwide. Our mission is to simplify, and innovate the process of buying, selling and delivering digital ads.

The products developed by C1X are state of the art in the field of advertising, with elegant user interfaces intended to delight the users, and accomplish their tasks with ease.  

As a visual designer, you will be unleashing your creativity in developing products that would be used by major publishers and agencies worldwide, and producing innovative ad formats that would be seen and used by millions of people.



  • Develop innovative user interface designs in response to marketing requirements, user analyses, product innovation, technology, and business needs.
  • Develop conceptual models, personas, workflows, design prototypes, and user interface specifications.
  • Assist product management in authoring user requirements documents.
  • Participate in the branding efforts, and manage our website.
  • Ensure user interface guidelines and standards are followed during the development and maintenance of the product.
  • Communicate and work effectively with cross-functional and geographically diverse team members including but not limited to sales, marketing, product managers, project managers and software engineers.


  • Minimum 3 years’ experience in a commercial software product company.
  • BA/BS or advanced degree preferred in Visual Arts, Human Factors, Human-Computer Interaction, Industrial Design, Cognitive Psychology, or a related field or demonstrated comparable experience designing commercial software products.
  • Mastery of user centered design principles and practices.
  • Mastery of interaction design and information architecture disciplines
  • Experience in creating wireframes, visual mockups, graphics, and user workflows.
  • Knowledge of software development process.
  • Excellent communication skills (oral, written, and listening).
  • Familiarity with Mobile app development, CSS, HTML, and JavaScript preferred.


  • Competitive salary
  • Paid time off
  • Medical/Dental insurance