Study material
Everything I share with my students to learn faster and pass interviews: free material to start today, and premium packs when you want to go deeper.
Interview Questions
240 free questions across 12 subjects, plus premium 50-question packs and bundles that save up to 50%.
Open →Books & Notes
Free books and official guides, my own ebooks and notes, and the classics worth buying.
Open →Projects
A free starter project for every subject, plus Small, Large and Enterprise portfolio projects.
Open →Mock Interviews
Live 60 minute interviews with written feedback. Bronze 20 USD (1 session), Silver 50 USD (3 sessions), Gold 80 USD (5 sessions).
Open →More free tools
SQL practice editor
40 interview problems with instant answer checking, right in your browser.
Open →FREE TOOLPython and PySpark practice
45 problems in Python, pandas and PySpark with instant checking.
Open →FREE PDFTop 50 SQL interview questions
Download the PDF with answers and examples.
Open →QUIZCourse finder
Answer 5 questions and get your personal learning path.
Open →ARTICLESBlog
Practical articles on SQL, Snowflake, Databricks, Azure and careers.
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