Stop scattered prep. Get a focused week-by-week plan, drill 150+ problems built around what top companies actually test, and walk in knowing exactly where you stand.
A clear path from “I need to start prepping” to interview-ready.
Tell us your skill level and interview date. We build a week-by-week curriculum across SQL, data modeling, system design, and more — so you cover every topic that matters, in the right order.
150+ targeted problems, 1,000+ quiz questions, and 100+ AI mock interviews — all scoped to real DE interview patterns. No filler, no rabbit holes.
Track your readiness score across every topic. Spot the weak areas before the interview does. When your score hits 80%+, you're ready to walk in.
No fluff. Just the tools that move the needle.
20+ structured paths and 100+ modules covering SQL, data modeling, streaming, cloud warehousing, orchestration, and more.
500+ flashcards and 1,000+ graded MCQs across 10 topics — drill concepts with spaced repetition, then lock them in with a timed quiz.
150+ SQL and Python challenges built for data engineering interviews — window functions, CTEs, ETL patterns, and more, graded by difficulty.
100+ AI-evaluated mock questions across SQL, Python, Data Modeling, System Design, and Behavioral — scored against FAANG-style rubrics with instant feedback.
Topic-by-topic mastery scores, weak-spot identification, and a week-by-week study plan that adapts to your interview date.
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Built around the exact patterns that show up in data engineering interviews — across every level, from L4 to Staff.
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