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Senior UX Designer

Senior UX Designer

Job Locations 
US-NY-New York

More information about this job


MediaMath’s strength is in numbers.  Our technology analyzes 200 billion customer opportunities daily– more volume than the top 10 stock exchanges in the world, combined. 

Over 700 Mathletes in 16 global offices are trusted by two-thirds of the Fortune 500 and partner with thousands of marketers to ensure brands connect with right audiences, in the right place, in the right time.


We believe consumers want to have meaningful conversations with their favorite and yet-to-be-discovered brands across all digital touchpoints. Our omnichannel, integrated programmatic platform unites digital media and big data to maximize the return on every marketing dollar spent by making advertising relevant, personalized, measurable and controllable.   From inventing the DSP category in 2007 to being named a DMP Forrester Challenger (our first year participating in the DMP Wave!) in 2017, we continue to deliver results for marketers more quickly and accurately than any other solution. 

Technology is changing the way brands interact with consumers.  MediaMath is powering that change.  Come be a part of it!


MediaMath User Experience & Design team’s mission is to deliver delightful, efficient and domain-conscious product experiences through intuitive workflow and beautiful design. We are thought leaders for user experience and visual design across all the product business units, working closely with internal and external users, Product Management and Engineering to build useful, usable features and enhancements across TerminalOne.


MediaMath is looking for an experienced Senior UX/UI Designer to join the User Experience & Design team.


Our enterprise platform, TerminalOne provides tools to empower marketers to manage and optimize revenue from their digital marketing spend. We are looking for an individual who is passionate about designing intuitive user workflow, creating consistent user experience and simple user interfaces.


The Senior UX/UI Designer will have a lead role creating innovative user interface experiences that drive growth for MediaMath, involving:

  • working with product managers to define the user experience for complex workflows, involving gathering feedback from clients, producing prototypes, and validating and iterating designs to ensure they meet user needs.
  • using pre-existing design patterns and assets for new features while seizing opportunities to create new patterns and designs to establish new standards.


This position will report to the Director of User Experience & Design whom is responsible for leading projects creation of designs, establishing standards and enforcing UX and design standards across product business units.




  • Bachelor's degree in design, human-computer interaction (HCI), or equivalent professional experience.
  • 5+ years of demonstrated experience in UX, Interaction Design, or HCI
  • Experience working on a SaaS platform a plus
  • Portfolio with examples of design thinking and practical application of research techniques


  • leadership skills that enable you to drive projects independently
  • familiar with common design patterns and are aware of the usability issues
  • prototype using any design tool, Adobe Creative Suite and Sketch are some you have used
  • progress designs from sketches, low fidelity wireframes to high fidelity mockups
  • familiar with the capabilities and limitations of HTML, CSS, and JavaScript


  • collaborating to get the best outcome possible
  • know when to apply user feedback to designs and when not to
  • express your creative process clearly, in person, on paper or digitally over video
  • role model and enjoy mentoring designers
  • excellent with time management and will proactively keep projects moving along


More about you:

  • You follow the product design process and start with asking questions first and not design
  • You design and think through usability issues before presenting your ideas
  • You are curious about user problems and passionate about solving them through design
  • You seek to understand the root causes of the problem before designing the solution
  • You have a trained eye for spotting usability problems before you even interact with a screen
  • You plan for design long-term solutions for the whole ecosystem and not just the current feature


MediaMath is privately held, employee owned, and headquartered in New York. Mathletes enjoy: Company equity. Performance Bonus. Comprehensive Insurance. Global Internal Mobility. Open Paid Time Off, Philanthropy and Holidays. 401(k) match. Paid Parental Leave. Cell Phone Reimbursement. Modern office space. Onsite Fitness & Wellness.