Duolingo
Agent50Agent Readiness: 50/100. Top 25%. Measured by StartupHub.ai. Median 41.Trust60Data Trust: 60/100. Below median. Measured by StartupHub.ai. Median 61.Duolingo is the world's most popular way to learn a language, offering bite-sized, game-like lessons to make language learning fun, free, and accessible.
About
Duolingo is the most downloaded education app in the history of the App Store and became the top-grossing education app worldwide in 2019. It offers bite-sized lessons that feel like playing a game to keep learners motivated and makes learning a new language free and accessible to everyone.
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Key facts
- Website
- careers.duolingo.com
- Founded
- 2011
- Employees
- 1,962
- Total funding
- $35M
- Business model
- B2C
Tech stack
Detected on careers.duolingo.com and in its job posts, last scanned 29 Oct 2026. Run your own scan
- Backend
- Python, Java
- Database
- MySQL, PostgreSQL
- Analytics
- Google Tag Manager
- Observability
- Datadog
- CDN
- AWS CloudFront
- Hosting
- AWS
- Hiring platform
- Greenhouse
- Mobile
- Swift, Kotlin
- DevOps
- Docker, Kubernetes, Terraform
Duolingo scores 89. Does yours?
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Frequently asked
Is Duolingo trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Duolingo is 60 out of 100, a generally safe rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Duolingo raised?
Duolingo has raised a total of $35M in funding.
How many employees does Duolingo have?
Duolingo has approximately 1,962 people on record.
Public record
SEC filings, insider activity, nonprofit links and pay benchmarks for Duolingo
