
Speak is a language learning app that sets users on the path to fluency with the world’s most advanced AI tutor. Built on the core learning philosophy of getting users speaking out loud as much as possible, Speak's AI language-learning experience encourages dynamic two-way dialogue through personalized content and real-time speech recognition. Speak was founded by Connor Zwick and Andrew Hsu in 2016 to democratize access to high quality language education through AI. Backed by Y Combinator, Open AI, Founders Fund, Khosla Ventures, Matrix Partners and more, Speak is a series B startup with a global presence and offices in San Francisco, Seoul, Tokyo, and Ljubljana. Featured by Apple as the ‘App of the Day’ and ‘Best New App’, Speak is hiring across the globe. Come join us as we teach the next billion people English and reinvent the way the world learns, staring with language!

Speak is a language learning app that sets users on the path to fluency with the world’s most advanced AI tutor. Built on the core learning philosophy of getting users speaking out loud as much as possible, Speak's AI language-learning experience encourages dynamic two-way dialogue through personalized content and real-time speech recognition. Speak was founded by Connor Zwick and Andrew Hsu in 2016 to democratize access to high quality language education through AI. Backed by Y Combinator, Open AI, Founders Fund, Khosla Ventures, Matrix Partners and more, Speak is a series B startup with a global presence and offices in San Francisco, Seoul, Tokyo, and Ljubljana. Featured by Apple as the ‘App of the Day’ and ‘Best New App’, Speak is hiring across the globe. Come join us as we teach the next billion people English and reinvent the way the world learns, staring with language!
Company: Speak — AI-powered language-learning app
Founded: 2016
Core product: AI tutor focused on spoken conversational practice with real-time speech feedback
Recent funding: $78M Series C (Dec 2024) led by Accel; $1B valuation
Headcount (reported): 273 employees
Language education / skills learning focused on speaking fluency
2016
Software Development
$27M
$20M
Raised as a Series B extension; reported valuation $500M at time
$78M
Reported valuation $1B
“Backed by institutional investors including OpenAI Startup Fund, Khosla Ventures, Founders Fund, Accel, Buckley Ventures and angel investors such as Sam Altman and others”
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As an iOS Engineering Intern at Speak, you’ll help build and ship features that power a language-learning app used by millions of learners around the world. You’ll work closely with experienced iOS engineers, backend engineers, Product, and Design to improve the core mobile experience across learning, monetization, and global expansion.
This is a hands-on, high-impact internship where your work will ship to production. You’ll gain real-world experience building a consumer mobile product at scale while learning best practices in iOS development, experimentation, and product thinking.
Nice to have (but not required):
Location: San Francisco, CA (office-based internship)