https://www.fullstackalchemy.com/blog FullStackAlchemy is the digital studio and blog of Javid Lone – a full stack developer and UI engineer specializing in TypeScript, React, and UX-centric web development. Showcasing modern web apps, portfolio projects, and technical deep dives. en-us hi@javidlone.com (Javid Lone) hi@javidlone.com (Javid Lone) Thu, 17 Sep 2026 00:00:00 GMT https://www.fullstackalchemy.com/blog/data-systems-engineering-poc-2-spark-complete-guide https://www.fullstackalchemy.com/blog/data-systems-engineering-poc-2-spark-complete-guide A complete, beginner-friendly walkthrough of a local Spark application: from compressed GitHub events to Bronze, Silver, and Gold data, with execution plans, jobs, stages, tasks, Parquet, joins, shuffle, skew, SQL, DataFrames, and a Streamlit dashboard. Thu, 17 Sep 2026 00:00:00 GMT hi@javidlone.com (Javid Lone) data-engineeringsparkpysparkstreamlitparquetdistributed-systems