April 6, 2020

Migrating Duolingo’s Android app to 100% Kotlin

Art Chaidarun Engineering

January 10, 2020

Improving Duolingo, one experiment at a time

Lavanya Aprameya Engineering

September 19, 2019

How cohorts and correlations help us better understand our learners

Zachary Golan-Strieb Engineering

September 9, 2019

How we're improving Duolingo's course creation process

Margarita Misirpashayeva Engineering

September 29, 2017

How I saved Duolingo $40,000/year in my summer internship

Adam Hesterberg Engineering

January 31, 2017

Rewriting Duolingo's engine in Scala

André Kenji Horie Engineering

September 13, 2016

Flipping Duolingo: filling a gap in support for right-to-left languages

David Andrews Engineering

January 7, 2015

Real World Swift

Chris Engineering