Technical · Structured skill path
PySpark Track Assessment & Practice
Practical PySpark progression for data engineers, from DataFrame foundations through production-scale problem solving.
20 progressive levels · Beginner → advanced · 400 published questions
Start with the FREE entry level. PRO levels remain gated and unlock in sequence after sign-in.
Level 1
PySpark Foundations
PySpark Foundations Assessment
beginner · 20 published questions
Level 2
Spark Architecture & Execution Model
Spark Architecture and Execution Model Assessment
beginner · 20 published questions
Level 3
SparkSession, DataFrames & Schemas
SparkSession, DataFrames and Schemas Assessment
beginner · 20 published questions
Level 4
Selecting, Filtering & Column Expressions
PySpark Selecting, Filtering and Column Expressions Assessment
beginner · 20 published questions
Level 5
Data Types, NULLs & Type Conversion
PySpark Data Types, NULLs and Type Conversion Assessment
beginner · 20 published questions
Level 6
Built-in Functions
PySpark Built-in Functions Assessment
intermediate · 20 published questions
Level 7
Aggregations & Grouping
PySpark Aggregations and Grouping Assessment
intermediate · 20 published questions
Level 8
Joins
PySpark Joins Assessment
intermediate · 20 published questions
Level 9
Dates, Strings & Complex Types
PySpark Dates, Strings and Complex Types Assessment
intermediate · 20 published questions
Level 10
Reading & Writing Data
PySpark Reading and Writing Data Assessment
intermediate · 20 published questions
Level 11
Spark SQL
Spark SQL Assessment
intermediate · 20 published questions
Level 12
Window Functions
PySpark Window Functions Assessment
intermediate · 20 published questions
Level 13
Data Cleaning & Transformation Patterns
PySpark Data Cleaning and Transformation Patterns Assessment
intermediate · 20 published questions
Level 14
UDFs, Pandas UDFs & When to Avoid Them
PySpark UDFs, Pandas UDFs and Alternatives Assessment
intermediate · 20 published questions
Level 15
Partitioning & Shuffle
PySpark Partitioning and Shuffle Assessment
advanced · 20 published questions
Level 16
Caching, Persistence & Execution Plans
PySpark Caching, Persistence and Execution Plans Assessment
advanced · 20 published questions
Level 17
Performance Optimization
PySpark Performance Optimization Assessment
advanced · 20 published questions
Level 18
Delta & Lakehouse Patterns for PySpark
Delta and Lakehouse Patterns for PySpark Assessment
advanced · 20 published questions
Level 19
Production PySpark Engineering & Troubleshooting
Production PySpark Engineering and Troubleshooting Assessment
advanced · 20 published questions
Level 20
Advanced PySpark Problem Solving
Advanced PySpark Problem Solving Assessment
advanced · 20 published questions