What ML Engineer Interviews ACTUALLY Test

Most Machine Learning Engineer candidates prepare for model questions.

Then the interview becomes SQL + training data design - and they completely freeze.

In this video, I break down:
✅ What MLE interviewers actually test in data rounds
✅ How to build ML training datasets in SQL
✅ The biggest data leakage mistakes candidates make
✅ How to turn vague business problems into prediction labels
✅ The difference between analyst SQL and ML engineer SQL

Along with real FAANG-style SQL interview questions and a full churn prediction walkthrough.

📚 PRACTICE SQL QUESTIONS USED IN THIS VIDEO
1. https://platform.stratascratch.com/coding/10300-premium-vs-freemium?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
2. https://platform.stratascratch.com/coding/2065-time-from-10th-runner?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
3. https://platform.stratascratch.com/coding/10566-search-click-success-rate-by-user-segment?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
4. https://platform.stratascratch.com/coding/2022-update-call-duration?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
5. https://platform.stratascratch.com/coding/9847-find-the-number-of-workers-by-department?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test

📖 Full article:
https://www.stratascratch.com/blog/how-to-pass-data-interviews-for-machine-learning-engineer-roles?utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test

Interview Preparation:
1. Joins, aggregations, window functions
• https://platform.stratascratch.com/coding/10087-find-all-posts-which-were-reacted-to-with-a-heart?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/coding/10558-user-flag-performance-analysis?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/coding/9915-highest-cost-orders?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
2. Time-aware SQL: rolling averages, streak detection, session analysis
• https://platform.stratascratch.com/coding/10314-revenue-over-time?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/coding/2059-player-with-longest-streak?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/coding/2136-customer-tracking?code_type=1&utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
3. Dataset construction & model building:
• https://platform.stratascratch.com/data-projects/prediction-stock-price-direction?utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/data-projects/customer-churn-prediction?utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test
• https://platform.stratascratch.com/data-projects/response-marketing-campaign?utm_source=youtube&utm_medium=click&utm_campaign=YT+what+ml+engineer+interviews+test

🔔 Subscribe for weekly ML engineer interview prep and SQL deep-dives.

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📅 Video Timeline:

00:00 Why you froze in your last ML engineer interview
00:25 Why ML interviews are really data interviews (not modeling)
00:48 The 6 things interviewers are secretly testing
01:31 5 SQL skills you MUST have (with practice questions)
02:40 Full worked example: build a 30-day churn prediction dataset
04:38 Validating your dataset in Python (most candidates skip this)
05:00 7 mistakes that get strong candidates rejected
05:28 How interviewers actually grade your answer (3 tiers)
06:00 Your 3-stage prep plan
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📧 Contact Us: Got questions or feedback? Drop them in the comments or email us at team@stratascratch.com.
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#MachineLearningEngineer #MLInterview #DataScienceInterview #SQLInterview #MLEngineerInterview #DataEngineering #MachineLearning #TechInterview #FAANGInterview #LearnSQL #ChurnPrediction #DataScienceCareer #MLOps #StrataScratch

Видео What ML Engineer Interviews ACTUALLY Test канала StrataScratch