Head of Data and Analytics

About us

Our mission is to reinvent the way people learn, starting with language.

Learning a language can change a life by opening doors to new cultures, careers, and communities. Two billion people around the world are actively trying to learn a language, but the best way to learn (one‑on‑one tutoring) is hard to access at scale and hasn’t been meaningfully improved in decades. Speak is building a human‑level, AI‑powered tutor in your pocket : a conversation‑first experience that lets learners actually speak, get instant feedback, and progress through carefully designed lessons. The result is a complete path from beginner to confident speaker across multiple languages.

Speak first launched in South Korea in 2019, where Speak has now become the number one language learning app, and we now serve learners across many markets and 15+ languages. Speak is one of the world’s leading AI companies, with over $150m raised in venture investment from OpenAI, Accel, Founders Fund, Khosla Ventures, and more, with a distributed team across San Francisco, Seoul, Tokyo, Taipei, and Ljubljana.

As the Head of Data & Analytics, you will be responsible for building and leading a world‑class data organization that powers product, growth, and data engineering at Speak. You’ll define and execute the strategy that ensures every decision at Speak is data‑informed while scaling our infrastructure, improving data accessibility, and driving measurable business impact across millions of learners worldwide.

What you’ll be doing

Build and lead a high‑performing team of analysts and data engineers that support teams across product, growth, marketing, curriculum, finance, leadership, and more

Define and own the long‑term data vision, strategy, and roadmap across infrastructure, analytics, and governance, with a specific focus on the use of AI and related tools to enable the team and scalability

Standardize key metrics and definitions across the organization, driving consistency and alignment

Develop and maintain robust, scalable data pipelines with >

99% uptime and automated monitoring

Build and promote self‑serve data tools and dashboards that empower teams to access insights faster

Increase experimentation velocity in partnership with Product and Growth, while improving rigor and accuracy of results

Establish strong data governance, ensuring compliance with global privacy regulations (GDPR, CCPA, etc.)

Hire, coach, and mentor data talent, growing the team while maintaining high standards for quality, accuracy, and reliability

Drive adoption of a data‑first culture across the company through education, storytelling, and partnership

What we’re looking for

Proven experience building and leading high‑performing data and analytics teams at a scaled tech company

Deep understanding of modern data stacks and tools : e.g., BigQuery, Airflow, Mode, Amplitude, dbt, Looker, or similar

Strong technical foundation in SQL, and proficiency in Python or similar languages for analytics and modeling

Demonstrated success in using data to drive measurable improvements in product and growth KPIs

Strong knowledge of data governance, privacy, and compliance frameworks

Ability to translate complex data into clear insights and narratives for executive and cross‑functional stakeholders

Strategic mindset with a willingness to dive into hands‑on problem solving when needed

Excellent communication skills and experience influencing senior leaders and cross‑functional partners

Nice to have :

Experience in language learning, edtech, or other mobile consumer products

Experience building data functions across international markets

Exposure to ML / AI modeling for personalization or recommendation systems

Why work at Speak

Join a fantastic, tight‑knit team at the right time : we're growing very quickly, we've most recently raised our Series C from some of the top investors in the valley, and we've achieved product‑market fit in our initial markets. You'd join at a magical time when a single person could significantly change the course of the company.

Do your life's work with people you’ll love working with : we care strongly about our craft and want every person at Speak to feel like they're growing every day. We believe in the idea that working with people you both enjoy and have respect for makes everything better. We hire thoughtfully and only work with people we admire deeply.

Global in nature : We're live in over 40 countries and launching in a number of new markets soon. We have dedicated offices in San Francisco, Ljubljana, Seoul, and Tokyo, and you’ll have the opportunity to talk to users in each of these regions on a regular basis as well as travel.

Impact people's lives in a major way : Learning a language is one of the single most life‑changing skills one can learn, and right now 99% of people never achieve their goal because the process is broken. We’re helping millions of people achieve their goals and improve their lives.

Speak does not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics.

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