Karin Tsai is a Director of Engineering at Duolingo, the most popular language-learning platform and the most downloaded education app in the world, with more than 300 million users.

In December 2019 Duolingo was valued at $1.5 billion, making it Pittsburgh’s first startup to reach "unicorn" status. In this episode, we're gonna talk about:

• The strategy of organizing engineering teams by Duolingo
• "Duolingo started as a Ph.D. project"
• The journey of Karin at Duolingo
• How Duolingo grow to 300 million users without big marketing efforts
• Why Native?
• How Covid-19 changes the user behavior of inline learners
• "You can learn any language you want to the proficiency where you can get a job at that language"
•  What is the upcoming feature release?
•  Pittsburgh vs Silicon Valley