A good user interface design stays out of your way. I've worked at eCommerce, Financial, Dating, and Social network companies, always striving for a clean, usable, and hopefully invisible design.
AXS Flash Seats SDK
We extended our ticketing SDK to be able to embed Flash Seats tickets into partner apps. Below are wireframes from the prototype and an early implementation from the Detroit Lions.
(Created with Sketch & Marvel)
eHarmony iPad & iPhone App Designs