David Parmelee, UX Designer in Gambrills, MD, United States
David Parmelee

UX Designer in Gambrills, MD, United States

Member since March 10, 2018
David uses UX design and user research to help founders and developers grow their businesses through increased user retention in their best target audiences. Drawing from a triple background in UX, development, and business, he created UX for Development Shops and hosts More Than an Interface (>UI).
David is now available for hire


Digital Design


  • Owner | UX Strategy Consultant

    2012 - PRESENT
    Thrill & Create LLC
    • Regularly collaborated with C-level executives on user research, information architecture, interaction design, and product strategy.
    • Designed the user experience of the DC Trails Hop On Hop Off Tours app which has received thousands of downloads through the app stores for iOS and Android and has helped raise DC Trails' average rating on Yelp by 19%.
    • Conducted user research, created a new information architecture, and prototyped navigation improvements for a large global consumer goods company—leading to a 20% increase in monthly active users for an intranet web application.
    • Designed responsive websites, web applications, and mobile apps for clients who are often bootstrapped or funded startups.
    • Ran usability studies, card sorting, tree testing, user interviews, and surveys.
    • Wrote and self-published UX for Development Shops, an eBook which teaches other technical people about user-centered design.
    • Hosted More Than an Interface (>UI), a video series on topics at the intersection of UX and development.
    • Graduated from Double Your Freelancing Academy, a business academy which helped skills-minded freelancers to become business consultants who use their skills to generate more revenue for their clients' businesses. Topics included business positioning, market research via outreach, service offerings, messaging, automation, social media, and scaling via authority-building.
    Technologies: Axure RP Pro, UserTesting, OptimalSort, Treejack, GIMP, iWork
  • Software Developer

    2010 - 2012
    Bay Bridge Decision Technologies (acquired by Interactive Intelligence, then Genesys)
    • Prototyped a new module for the company’s flagship product, a long-term forecasting, analysis, planning, and workforce planning product for contact centers.
    • Consulted other departments of BBDT on usability-related matters.
    • Mentored a new developer weekly on topics that included human-computer interaction.
    • Performed maintenance development and feature improvements for both of the company's main products.
    • Interviewed candidates for open positions on our software development team. The company hired three of these candidates.
    • Collaborated with an offshore development team in Indonesia until Bay Bridge decided to bring all development onshore.
    • Successfully recommended better development tools to management after seeing how deficiencies in our team's existing tools were hurting team productivity.
    Technologies: C#, VB6, C++, FogBugz, Mercurial, Infragistics


  • Certified Rocket Scientist in Satellite Tool Kit (STK)
    2009 - 2009
    Analytical Graphics, Inc. - Landover, MD, USA
  • Bachelor of Science degree in Computer Science
    2001 - 2006
    University of Maryland - College Park, MD, USA


  • Satellite Tool Kit (STK) Certified Rocket Scientist
    Analytical Graphics, Inc.



Gambrills, MD, United States

To view more profiles

Join Toptal
Share it with others