https://www.leehillman.com/home daily 1.0 2026-01-13 https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562796359626-JE5SX979VLK3R3WYOV9U/MCDev_Logo.png Lee Hillman Design - Mastercard Developers Design and launch of the Mastercard Developers platform https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/a1e76e27-a115-4476-97c8-812e98874cb9/Kindle_Logo_Home.png Lee Hillman Design - Amazon Kindle Device Experience Leadership of product experience for Amazon Kindle devices including the creation of a tokenized design system and end-to-end design and launch of the Kindle Scribe. This case study requires authentication, please contact me for access. https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562796338114-X2FB48X5ET0NMC6TGIVO/MCDev_Solutions_Logo.png Lee Hillman Design - Mastercard Developers Solutions Product strategy and design of Mastercard Developers Solutions https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562122594872-LBHRY5E0K6FXGRAR00UX/ProfDinosaur.jpeg Lee Hillman Design https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/b8376af0-e8ad-4208-8194-e9ec0f6d6c4a/amazon-logo-Home.png Lee Hillman Design - Amazon Brand Shopping Led a multi-year effort to build shopper confidence and help them discover new brands. Work spans Amazon retail and advertising. This case study requires authentication, please contact me for access. https://www.leehillman.com/mastercard-developers daily 0.75 2023-11-22 https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562802245422-HFKZDBSEBK7FE7KIPS3Q/Screen+Shot+2019-07-10+at+7.33.49+AM.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562802309467-6580LNI9GBNUK5X2D3QX/Screen+Shot+2019-07-10+at+7.34.12+AM.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562802324286-6KYC9WAAZS4SP0INBLIA/Screen+Shot+2019-07-10+at+7.28.51+AM.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562757718393-Q2GPRN7CRWBNNZ2Z50SZ/UI_Kit.jpg Mastercard Developers Building and maintaining a UI kit allowed us to maintain consistency and quickly create hi-fi mockups https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562729116625-MTYZ5Y6EB1V9V4HNR1RJ/Login_Wires.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562729147086-P0VJEUBG7DI2XDV73N0H/DevZoneFlow_color.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562729319183-RU88ZDDWQS53O3S2211S/Docs_Mockup.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562729335070-9R4W4ATLMOKPLBTSAY5C/API_Explorer_Mockup.png Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562730798015-KFAHNWMXBRJX2Q25NFZ9/API+Explorer+16x9.gif Mastercard Developers In-page endpoint testing allows developers to test their data before they implement an API https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562530885094-ZN0ENHJEVNT8J51B3I90/MCDev.ico Mastercard Developers https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562728250968-07J21VMXJU5UBJCGGQ16/LandingPage.gif Mastercard Developers The landing page animations use javascript to animate SVGs https://www.leehillman.com/mastercard-solutions daily 0.75 2023-11-22 https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562764994768-Z9KJMKE9BMRNQCL95MJL/Allowance_Fullscreen.png Mastercard Developers Solutions The solutions detail pages provide a brief overview of the solution and directions to the required APIs https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562764256009-ILRETAV51OG1197Y1AGN/send-p2p.png Mastercard Developers Solutions https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562764125672-PJGM2XTFLL2SVBY6YSNT/Solutions+GIF+18s.gif Mastercard Developers Solutions Each solution has a short animation describing the functionality of the product https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562801266175-AXEMOPDU7CX7GXKX81GX/Solutions_Wires_1.png Mastercard Developers Solutions https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562801450504-CT6CLHNE8HDG9XSZE5K0/Solutions_Wires_2.png Mastercard Developers Solutions https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562801268815-CYEGDN603BPHYZH797EK/Solutions_Wires_3.png Mastercard Developers Solutions https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562801268377-KYN2XRVJHFOPV08DIALK/Solutions_Wires_4.png Mastercard Developers Solutions https://www.leehillman.com/carnegie-mellon-mhci daily 0.75 2023-11-22 https://images.squarespace-cdn.com/content/v1/5d1c16bbf719a10001fdd002/1562645669010-TAFJSOI23Z9ORPPPQQMD/Image%2Buploaded%2Bfrom%2BiOS.jpg Carnegie Mellon MHCI