# Duolingo
Duolingo is an educational technology company offering a language-learning platform.
[Website](https://duolingo.com)
**HQ:** Pittsburgh, Pennsylvania, United States
**Founded:** 2011
Canonical: https://scaleengineer.com/companies/duolingo
## Interview guides

- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/software-engineer-i-software-engineer)
- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/software-engineer-ii-software-engineer)
- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/senior-software-engineer-software-engineer)
- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/staff-software-engineer-software-engineer)
- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/senior-staff-software-engineer-software-engineer)
- [Software Engineer — Software Engineer](https://scaleengineer.com/interviews/duolingo/principal-software-engineer-software-engineer)