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Engineering

Learn more about Duolingo's world-class engineering team, and the exciting projects they work on every day to ensure Duolingo remains the best way to learn a language.

January 14, 2022

How we adjust in-app messaging for learners in different languages

Eva Raimondi Engineering
November 1, 2021

How we protect learner streaks from site issues

Creston BunchMaggie HewittJohn Nicol Engineering
October 27, 2021

How we rebooted our Android experience

David Andrews Engineering
September 2, 2021

Why did we deliberately hack the Duolingo English Test?

Mirza Basim BaigSophie Wodzak Engineering
June 29, 2021

Bird's Eye: A powerful tool for exploring app screenshots

Pat Dalsass Engineering
March 17, 2021

Open sourcing Metasearch, our one tool to search them all

Art Chaidarun Engineering
January 20, 2021

Improving the Duolingo experience with request tracing

John Nicol Engineering
October 26, 2020

Why I chose Duolingo: Finding purpose and happiness as an Engineering Director

Fabio Lessa Engineering
August 28, 2020

Interviewing with Duolingo’s Engineering Team

André Kenji Horie Engineering
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

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