Speak builds a conversation-first AI language tutor, with a stack pairing PyTorch and OpenAI/RAG for speech and tutoring models with native Swift/SwiftUI and Kotlin apps. Hiring is accelerating and product-led, but new Head of Sales and Head of Marketing roles plus B2B expansion projects signal a push beyond consumer subscriptions into business sales, especially across Japan, Korea and Chinese-speaking markets.
Notable leadership hires: Head of Marketing, Head of Sales, Sales Lead
Speak develops a mobile app that lets learners practice speaking a new language with an AI tutor, receive instant feedback and follow structured lessons from beginner to fluent levels. The company is headquartered in San Francisco and employs 51–200 people, with a distributed team spanning several cities in Asia and Europe. It first launched in South Korea and now serves learners in many markets across 15+ languages. Alongside its consumer app, Speak is growing a B2B offering and hires across the United States, South Korea, Japan and China.
Speak uses Python, PyTorch, OpenAI and RAG for AI, Swift/SwiftUI and Kotlin for mobile apps, React, Next.js and TypeScript on the web, plus PostgreSQL, Redis, Kubernetes, GCP, AWS, BigQuery, Snowflake and dbt.
Speak is hiring in the United States, South Korea, Japan and China, matching its localization work for Japanese, Korean and Traditional Chinese markets.
Yes. Speak has open Head of Sales, Sales Lead and Head of Marketing roles, alongside product-heavy hiring, as it expands B2B sales and its reach in Japan.
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Speak's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →
This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.
