Free Course — No signup required

Learn Data Engineering
in 5 Days

Data engineers build the pipelines that make data useful. Learn ETL, data warehouses, Spark, Airflow, and dbt — the stack used at every data-driven company.

5 lessons
Self-paced
~60 min/day
Free forever
Start Day 1 — Free → See what's covered
What you'll learn

Data Engineering in 5 Days

Data engineers build the pipelines that make data useful. Learn ETL, data warehouses, Spark, Airflow, and dbt — the stack used at every data-driven company.

  • Design and build ETL pipelines
  • Query data warehouses with SQL and dbt models
  • Process large datasets with PySpark
  • Orchestrate workflows with Apache Airflow
  • Understand the modern data stack
5
practical lessons
ETL
core pattern
$0
cost to take this course
dbt
+ Airflow + Spark
5-Day Curriculum

Every lesson ships working code.
No theory without practice.

01
ETL: Extract, Transform, Load
Understand the ETL pattern, build a simple pipeline in Python that extracts data from an API, transforms it, and loads to a database.
ETLpandasSQLAlchemydata validation
→
02
Data Warehouses and SQL
Understand OLAP vs OLTP, star schema vs snowflake schema, and query a BigQuery or Snowflake warehouse efficiently.
OLAPstar schemaBigQuerywindow functions
→
03
dbt: Transform Data in the Warehouse
Install dbt, write your first model, understand materializations (table/view/incremental), add tests and documentation.
dbt modelsref()materializationsdbt test
→
04
PySpark for Large Data
Set up a local Spark environment, load data into DataFrames, use transformations and actions, and understand the execution model.
SparkSessionDataFrametransformationspartitions
→
05
Airflow Orchestration
Install Airflow, write a DAG with Python operators, schedule it, monitor runs in the UI, and understand task dependencies.
DAGPythonOperatorscheduleXCom
→
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Your instructor
B
Bo Peng
Founder, Precision AI Academy

Kaggle Top 200 data scientist. Trained 400+ professionals across universities and federal agencies. Built production systems used by thousands. This course skips toy examples and gives you patterns that work in real projects.

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