About Pushpjeet Cholkar
I share practical lessons from data engineering, cloud, and AI so you can learn faster, build better systems, and stay ahead without the fluff.
Hi, I’m PC 👋
I’m a Data Engineer with 16+ years of corporate experience, passionate about teaching complex technologies in simple, practical ways.
I’ve trained 1000+ engineers in SQL, data modeling, cloud platforms, and AI/ML, helping beginners become job-ready professionals.
My focus is on content that works in the real world: clear explanations, useful examples, and patterns you can actually apply at work.
What I Do
- Data Engineering: Pipelines, ETL/ELT, dbt, Airflow, Spark
- AI & Machine Learning: LLMs, RAG, practical ML implementation
- Cloud Platforms: AWS, GCP, Snowflake, BigQuery
- Linux & DevOps: Shell scripting, system administration
- SQL & Databases: Query optimization, data modeling
Explore by Topic
Pick a topic and go deep. New posts every day.
Pipelines, ETL/ELT, dbt, Airflow, Spark.
LLMs, agents, and practical AI tools for engineers.
Models, training workflows, and deployment patterns.
SQL, NoSQL, warehouses, and query optimisation.
Commands, scripting, and devops essentials.
Jobs, skills, branding, and long-term growth.