Josh Leibsly is a software engineer with a wealth of experience in the development of iOS apps. In 2008, he began his career as an iOS developer, working at Raizlabs and contributing to projects such as B&H Photo, Rue La La, and Care.com. Following his passion for fitness-related products, Josh worked at Fitbit on their app before moving to New York City to explore the startup world. There, he became the lead iOS developer at Lulu INC and GoButler. After gaining significant entrepreneurial experience, he founded Sparrow Labs, LLC, specializing in mobile app development for numerous companies, including Bullet Journal, IVY - The Social University, Quo Concierge, and Tank Design. Josh has also been a speaker at various conferences, including mdevcon in 2014 and 2016 and iOSCon in 2016. Today, Josh is currently a software engineer at Facebook.