Data Science Interview Preparation Guide — Get Hired

Interview Structure

Most data science interviews have 3-4 rounds:

• Round 1: Technical screening (SQL, Python basics)
• Round 2: Statistics & ML concepts
• Round 3: Case study / take-home project
• Round 4: Behavioral / HR round

Key Topics to Prepare

• SQL: JOINs, window functions, optimization
• Python: Pandas, NumPy, scikit-learn
• Statistics: Probability, hypothesis testing, A/B testing
• ML: Algorithms, evaluation metrics, feature engineering
• Deep Learning: CNN, RNN, transformers basics