Company- and domain-specific prep around real products, customers, and metrics

Master the data science case interview

Built and reviewed by senior FAANG data scientists who have passed 50+ case interviews across leading tech companies.

Three case tracks

Learning the Foundations

Interview Prep by Company & Domain

41 available

Why DataCase can help you turn interviews into offers?

Go deeper than interview prep

Most interview resources teach frameworks to memorize—we wanted something different. Every company has its own products, business model, customers, and way of thinking about metrics, so we help you understand that context first. When you're asked a question, you reason from first principles instead of trying to remember a template.

Built from how companies actually work

Every company guide starts with deep research—engineering blogs, technical talks, public writing, product launches, and conversations with people who've worked there—then it's reviewed by senior FAANG data scientists who've been through these interviews and interviewed hundreds of candidates. The goal isn't to collect trivia; it's to build the most accurate picture possible of what each company values.

Learn the “why,” not just the answer

We know many interview concepts aren't something you naturally pick up on the job—but they often show up in interviews. That's why we teach the core concepts step by step, from the ground up, with intuition, simple math, visuals, and real big tech examples. The goal is simple: when you understand why something works, you can solve new problems without memorizing answers.