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Nitinx12/README.md

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๐Ÿš€ About Me

I build analytics-ready data platforms from raw ingestion to dashboard-ready gold layers. My work spans ETL/ELT pipeline design, dimensional data modeling, and BI development, with a growing focus on modern analytics engineering practices like medallion architecture, workflow orchestration, and transformation-as-code.

I care about data that's trustworthy, fast, and easy for stakeholders to act on whether that's a star schema powering a Power BI suite, or a dbt-modeled warehouse feeding downstream reports.

Quick summary: 1.5+ years turning messy, multi-source data into governed, automated reporting systems cutting manual reporting effort by up to 40% and building pipelines that scale.


๐Ÿ› ๏ธ Tech Stack

Analytics Engineering & Data Modeling

Languages & Programming

BI & Visualization

Databases & Tools


๐Ÿ“Œ Featured Projects

Databricks Medallion Warehouse End-to-end medallion architecture in Databricks using Apache Airflow and dbt Core automating data movement across Bronze, Silver, and Gold layers with reusable transformation models and validation checks.

Bike Store Relational Database & Analytics PySpark incremental ETL pipeline from MongoDB to PostgreSQL with automated schema evolution and SQL-based data quality testing, plus 21 analytical SQL reports on sales, customers, and inventory.


๐Ÿ’ผ Work Summary

Experience across editorial analytics (Medianama) and insurance BI (Bajaj Allianz General Insurance) building automated Power BI dashboards, SQL-based reporting pipelines, and star/fact-dimension data models in PostgreSQL for stakeholder and leadership reporting.


๐Ÿ“Š GitHub Stats


๐Ÿ Contribution Snake

A snake that eats its way through my GitHub contribution graph.

GitHub Contribution Snake

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Open to analytics engineering and data analyst roles โ€” always happy to talk data modeling, pipelines, or BI.

Popular repositories Loading

  1. Nitinx12 Nitinx12 Public

  2. Databricks_Medallion_Warehouse Databricks_Medallion_Warehouse Public

    A daily ETL pipeline that pulls data from a PostgreSQL CRM and ERP, processes it through Bronze, Silver, and Gold layers on Databricks, and delivers a clean star schema for BI reporting built with โ€ฆ

    Python

  3. Museum-Project Museum-Project Public

    Medallion-architecture ELT pipeline โ€” MongoDB to PostgreSQL via PySpark, dbt, and Airflow, with incremental loads, SCD2 history, 147 automated tests, and a documented star schema, fully orchestrateโ€ฆ

    Python

  4. Bike-Store-Relational-Database Bike-Store-Relational-Database Public

    PySpark incremental ETL pipeline from MongoDB to PostgreSQL, with SQL data quality tests, schema auto-evolution, and a 21-script analytics library for a retail store dataset.

    Python

  5. Logistic-Relational-Database Logistic-Relational-Database Public

    Batch ETL pipeline that moves data from CSV โ†’ MongoDB โ†’ PostgreSQL with quality checks and reporting.

    PLpgSQL

  6. Nitinx12.github.io Nitinx12.github.io Public

    HTML