Study Plan

Deep dive into Airflow concepts.

Answer a question on file formats.

Identify and fix shuffle issues.

Learn about salting techniques.

Tackle a data skew problem.

Learn the 4-step framework.

Architect a real-time system.

Design a fraud detection system.

Master storytelling for interviews.

Draft a mentorship story.

Consolidate week 1 & 2 learnings.

Executor memory and spill.

Kafka topics and partitions.

Micro-batching vs. continuous.

Docker & Kubernetes for data.

Design a large-scale ETL pipeline.

Full mock interview session.

Review feedback from mock.

Window functions and CTEs.

Star vs. Snowflake schemas.

Frameworks and tools.

Practice non-technical questions.

Final mock interview.

Tailor your stories to the company.

Relax and review key concepts.