# Mark Sturgill > Principal Engineer at Amazon (Selling Partner Experience). I built the search infrastructure behind seller and vendor catalog experiences. I currently focus on the architecture of listing tools and catalog management systems. ## Links - [Website](https://sturgill.dev): Personal homepage - [Plain text](https://sturgill.dev/txt): Plain-text summary - [LinkedIn](https://www.linkedin.com/in/marksturgill): Professional profile - [GitHub](https://github.com/msturgill): Software projects and repositories - [ADS-B Feeder](https://flightaware.com/adsb/stats/user/msxfa): FlightAware tracking receiver statistics