WhoBuilt

Duolingo timeline 33

Dated events, newest first. Open the sources under any item.

202610 events
October
  1. Oct 19, 2026Initiative
    Experiment Platform
    Unverified1 source· Job posting· archived
September
  1. Sep 28, 2026Initiative
    Duolingo Ads expansion
    Verified1 source· Job posting· archived
  2. Sep 3, 2026Initiative
    AI tooling and evaluation ecosystem
    Verified1 source· Job posting· archived
August
  1. Aug 20, 2026Initiative
    Localization systems
    Verified1 source· Job posting· archived
July
  1. Jul 17, 2026Initiative
    Developer Amplification
    Verified1 source· Job posting· archived
  2. as of Jul 2026Capability
    human review guidance requires proctors to treat AI signals as preliminary and find independent evidence before upholding a flag
    human review guidance requires proctors to treat AI signals as preliminary and find independent evidence before upholding a flag
    “the AI signal is just a preliminary alert; they're the final decision-maker” 7:44
    Unverified1 source· Talk
  3. as of Jul 2026People
    Angel Ortmann Lee works at Duolingo
    software engineer
    “I'm a software engineer at Duolingo.” 0:01
    Verified3 sources· Talk, Web· archived
June
  1. Jun 26, 2026Initiative
    AI-driven monetization
    Verified1 source· Job posting· archived
  2. Jun 9, 2026Initiative
    New learning subjects
    Verified1 source· Job posting· archived
April
  1. Apr 29, 2026Initiative
    Duolingo English Test scale and security
    Verified1 source· Job posting· archived
20247 events
November
  1. as of Nov 2024Capability
    Includes Roleplay, a text-based conversation practice feature
    Includes Roleplay, a text-based conversation practice feature
    “It’s part of Duolingo Max, our subscription product.” 28:13
    Unverified1 source· Talk
    2 more capabilities
    • as of Nov 2024Counts consecutive days with a completed lesson and supports retention
      Unverified1 source
    • as of Nov 2024Core loop for language learning
      Unverified1 source
  2. as of Nov 2024Launch
    Duolingo launched Video Call
    “we launched recently, is Video Call” 26:21
    Unverified1 source· Talk
  3. as of Nov 2024Capability
    Weekly learner rankings that motivate lesson completion
    Weekly learner rankings that motivate lesson completion
    “leaderboards have been a big growth lever for us” 5:00
    Unverified1 source· Talk
  4. as of Nov 2024People
    Cem Kansu is Head of Product at Duolingo
    “My guest today is Cem Kansu, Head of Product at Duolingo.” 1:00
    Unverified2 sources· Talk
March
  1. as of Mar 2024People
    Nikki is director of product at Duolingo
    “I'm currently a director of product at Duolingo” 1:54
    Unverified1 source· Talk
20231 event
  1. Mar 2023Built
    Duolingo built Duolingo Max
    Verified1 source· Web· archived
20211 event
  1. Jun 2021Funding
    IPO (Nasdaq: DUOL)
    Verified1 source· Web· archived
Undated14 events
  1. undatedBuilt
    Duolingo built Gem economy, shop, and avatar cosmetics and collectibles
    Source changed1 source· Job posting· archived
    10 more projects
  2. undatedBuilt
    Duolingo built Duolingo Ads
    Unverified1 source· Job posting· archived
  3. undatedFounded
    Severin Hacker founded Duolingo
    CTO
    Verified1 source· Web· archived
  4. undatedFounded
    Luis von Ahn founded Duolingo
    CEO
    Verified1 source· Web· archived
Duolingo timeline · WhoBuilt