Master the Data Engineering
Pipeline — End to End
Run real PySpark in your browser, solve auto-graded challenges, earn shareable certificates — then match your skills to live Data Engineering jobs. All free.
Start from the goal closest to you
Move from learning to practice, interview prep, certification, or jobs with a focused next step.
Start PySpark basics
Learn DataFrames, Spark SQL, joins, and ETL patterns from the ground up.
Start basics →Practice coding challenges
Solve auto-graded PySpark, SQL, and Python problems with instant feedback.
Solve challenges →Prepare for interviews
Review Spark, SQL, Python, and data engineering questions asked in real rounds.
Practice Q&A →Take certification mocks
Use exam-style practice to check readiness and build a shareable skill signal.
Open mocks →Match with DE jobs
Explore live data engineering roles and see which skills to sharpen next.
View jobs →Practice → Certify → Get Hired
The only platform that connects free practice to real Data Engineering jobs.
Challenge Arena
134 auto-graded PySpark, SQL & Python challenges with an AI tutor, XP, streaks and a live leaderboard. Unlimited free runs.
Start solving →Learning Tracks
Guided paths from easy to hard — SQL, window functions, PySpark. Finish a track, earn a certificate you can add to LinkedIn.
Pick a track →DE Jobs Board
340+ live, direct-apply Data Engineering jobs from Amazon, Netflix, Snowflake & more. See your skill-match % and what to practice for each role.
Find your match →Live PySpark Compiler
A real Spark session in your browser — PySpark, Python, SQL, Pandas. No install, no signup, shareable runs.
Run code now →In-depth articles from practitioners
Real-world insights on Data Engineering, PySpark, AI and more — written by engineers who build these systems daily.
PySpark Blogs
DataFrames, Spark SQL, Delta Lake, streaming and real-world ETL pipelines explained with code.
Data Engineering
Pipeline design, orchestration with Airflow, cloud platforms, dbt and modern data stacks.
SQL Blogs
SQL queries, joins, window functions, CTEs, performance tuning and analytics patterns.
Generative AI
LLMs, prompt engineering, RAG pipelines, LangChain and building AI-powered applications.
Machine Learning
Supervised learning, MLOps, feature engineering, model evaluation and Scikit-learn guides.
AI Agents
Building autonomous AI agents, multi-agent workflows, tool use and agentic frameworks.
Write & run PySpark
in your browser
No installation, no config. Write a Spark job, hit run, see the output — perfect for learning while you read.
- ✓ Full PySpark + Python support
- ✓ SQL executor with sample datasets
- ✓ Session-based execution engine
- ✓ 100% free — no login needed
Explore by Technology
Structured tutorials for every tool a modern data engineering team uses.
Where are you
right now?
Pick your level — we'll show you exactly where to start in the Data Engineering stack.
Choose the role you want to grow into
Follow a curated path mapped to how real data teams hire and work.
Data Engineer Path
Go from Python and SQL fundamentals to Spark, ETL pipelines, lakehouse patterns, and interview readiness.
Analytics Engineer Path
Learn SQL, data modeling, metrics thinking, and the workflows that power trusted reporting.
ML Engineer Path
Build a practical machine learning foundation with feature engineering, evaluation, and deployment thinking.
AI Engineer Path
Move from LLM basics to RAG, agents, evaluation, and production AI application design.
Skills teams are hiring for in 2025
Trusted by data professionals across India
"PySpark.in helped me go from zero Spark knowledge to cracking my data engineering interview in under 3 months. The structured tracks are exactly what was missing from other resources."
"The interview Q&A section is gold. Every question I was asked in my TCS ML round was covered here. The explanations go beyond definitions — they explain the "why"."
"Being able to run PySpark code directly in the browser without any setup was a game-changer. I could test concepts immediately while reading tutorials."
"I love how the content goes from Python basics all the way to GenAI without jumping between ten different sites. PySpark.in is my single learning hub now."
Start your Data Engineering journey today
Join 10,000+ learners building real pipeline skills in PySpark, Spark SQL, Airflow and more.