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Romaan Uddin Siddiqui rumman49

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rumman49 /README.md

Hi, I'm Romaan Uddin Siddiqui πŸ‘‹

Data Analyst | Data Engineer | Building on Azure & Snowflake


πŸš€ About Me

  • πŸŽ“ B.Com graduate β€” hands-on data analytics through Cybrom Technology
  • πŸ”§ Building skills across both Data Analytics and Data Engineering β€” pipelines on one side, dashboards on the other
  • ☁️ Hands-on with Azure (ADF, Databricks, ADLS Gen2, Delta Lake, PySpark, Medallion Architecture) and Snowflake (Streams, Tasks, Medallion pipelines)
  • πŸ“ Based in Bhopal, India
  • πŸ’¬ Open to Data Analyst / Data Engineer roles

πŸ› οΈ Tech Stack

Languages & Querying Python SQL

Cloud & Data Platforms Azure Databricks Snowflake

Data Engineering PySpark Delta Lake

Machine Learning scikit-learn

Analytics & BI Power BI Pandas NumPy

Databases MySQL


πŸ“Œ Featured Projects

Project What it does Stack
Databricks Medallion Architecture Project End-to-end Bronze β†’ Silver β†’ Gold pipeline on Databricks, with role-specific variants (Data Analyst, Data Engineer, BI Developer, ETL Developer) Databricks, PySpark, Delta Lake, ADLS Gen2
Customer Churn Analytics Platform RFM segmentation (9,994 transactions β†’ 793 customer profiles) with a recency-based proxy churn label, ML model comparison (Random Forest best at 99.37% accuracy / 0.9931 ROC-AUC), a live Streamlit prediction app, and a 4-page Power BI dashboard Python, scikit-learn, SQL, Power BI, Streamlit
Marriott Customer Churn Analysis Medallion Architecture pipeline on Snowflake (Bronze/Silver/Gold) ingesting hotel booking data to calculate churn, Customer Lifetime Value (CLV), and retention insights via star schema Snowflake, SQL, AWS S3, Star Schema
Spotify Trends & Artist Performance Analysis Power BI dashboard analyzing Spotify trends and artist performance metrics Power BI
TechVision Sales & Profit Analysis Sales and profit dashboard built in Excel Advanced Excel

πŸ“Š GitHub Stats

Rumman's GitHub stats

Rumman's GitHub streak


Thanks for stopping by β€” feel free to reach out about Data Analyst / Data Engineer opportunities.

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