Accelerate your Data Engineering career with the Databricks & PySpark Data Engineer Interview Kit, a comprehensive interview preparation and learning program designed for aspiring and experienced Data Engineers, ETL Developers, Analytics Engineers, Big Data Professionals, and Cloud Data Architects.
This all-in-one kit combines Databricks Lakehouse architecture, PySpark development, Delta Lake implementation, real-world data engineering scenarios, optimization techniques, and interview-focused Q&A to help you confidently succeed in technical interviews and enterprise data projects.
It covers the topics below thoroughly:-
Spark Architecture & Execution Model:
Explains Spark architecture, RDDs, DataFrames, lazy evaluation, DAG execution, and the difference between transformations and actions.
Data Transformation using PySpark:
Covers selecting, filtering, column transformations, cleansing, string/date functions, null handling, and conditional logic.
Advanced Transformations:
Focuses on joins, aggregations, window functions, ranking, deduplication, and pivot/unpivot operations.
Complex Data Processing:
Teaches handling JSON, XML, nested structures, arrays, maps, and semistructured data transformations.
Advanced PySpark Development:
Explores UDFs, Pandas UDFs, broadcast variables, accumulators, reusable frameworks, and dynamic pipelines.
Databricks Lakehouse Engineering:
Introduces Databricks workspace architecture, clusters, orchestration, notebooks, and Git integration.
Delta Lake:
Covers ACID transactions, time travel, merge/upsert, CDC, schema evolution, and data versioning.
Medallion Architecture:
Explains bronze, silver, and gold layers, incremental processing, and enterprise data quality frameworks.
Unity Catalog & Governance:
Focuses on governance, lineage, access control, security, and enterprise data sharing.
Project 1 Retail Sales Analytics Platform:
Builds an end to end sales analytics solution with Delta Lake, gold layer reporting, and business dashboards.
Project 2 Banking Transaction Processing System:
Designs a scalable banking system with ingestion, fraud detection prep, CDC, historical data, and regulatory reporting.
Project 3 Healthcare Data Platform:
Develops a secure healthcare solution with HIPAA compliance, quality checks, audit tracking, and analytics datasets.
Project 4 IoT Streaming Analytics Platform:
Implements a streaming architecture using Kafka, Databricks Structured Streaming, Delta Live Tables, and real time dashboards.
Scenario-Based & Architectural Thinking:
Covered real-world scenario based questions and provided architecture level solutions using Databricks and PySpark.