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Harsh24102/README.md

Hi, I'm Harsh Jha 👋

Data Analyst · ETL Pipelines · Geospatial Data · Python | SQL | Tableau | Power BI

I build data pipelines that turn messy, scattered sources into clean, verified databases, and the dashboards and apps people use to act on them. Currently a Data Analyst at Firmwise Services India (client: GAIL India Limited), working on SAP/Excel → Oracle ETL and Tableau Server dashboards.

📍 Noida, India · 🎓 B.Tech CSE (Data Science), UPES · 💼 1.5+ years in data analytics


🚀 What I'm building now

CGD Station Data Platform · private, in active development An end-to-end platform mapping CNG stations of City Gas Distribution operators across India.

  • Python extraction pipeline per operator: discover → fetch → parse → normalize → validate, with robots.txt and Terms-of-Use checks before any source is collected
  • OpenStreetMap geocoding with an honest per-station precision class instead of fake exact points
  • PostgreSQL + PostGIS database with numbered load batches, a change-audit table and SQL verification checks
  • FastAPI backend with spatial "near me" and map-viewport queries, and a React Native (Expo) app with List/Map views, shipped as an Android build and a web build for internal testing

🛠️ Tech stack

Area Tools
Languages Python (Pandas, NumPy, Matplotlib, Seaborn), SQL, JavaScript
Databases Oracle, SQL Server (SSMS), PostgreSQL + PostGIS, MySQL, MongoDB
Data engineering ETL pipelines, web scraping (Scrapy, Requests, BeautifulSoup, Playwright), data cleaning & validation, data modeling, geocoding
BI & visualization Tableau & Tableau Server, Power BI (DAX), Looker Studio, Excel
Apps & cloud FastAPI, React Native / Expo, Next.js, AWS S3, Firebase, Git / GitHub

📌 Featured projects

Project What it shows
Automated Tradebook Data Pipeline Python ETL for 1M+ tradebook records into SQL Server, optimised procedures, Power BI (DAX) dashboards
Spyder Project Scrapy pipeline that turns store-locator pages into GeoJSON, with tests (HERE Technologies internship)
IoT Precision Agriculture Raspberry Pi sensors, trained ANFIS model + 15-rule fuzzy controller for irrigation, Firestore logging, live charts
Vault Cloud Next.js file-sharing rooms: invites, S3 pre-signed uploads, Firestore chat
SENSEX Crash Analysis 28 years of SENSEX drawdowns, crash periods and an early-warning rule tested on real data (pandas, Plotly)

💼 Experience

  • Data Analyst, Firmwise Services India (client: GAIL India Limited) · Feb 2026 – present
  • Data Analyst, Arya Fin-Trade Services · Sep 2024 – Aug 2025
  • Data Engineer Intern, HERE Technologies · Jun – Jul 2023
  • Data Analyst Intern, Lendingkart Finance · Jul 2023

📫 Connect

LinkedIn Email

Popular repositories Loading

  1. Automated-Tradebook-Data-Pipeline-ETL-and-SQL-Integration Automated-Tradebook-Data-Pipeline-ETL-and-SQL-Integration Public

    This project builds an automated data pipeline to manage large-scale tradebook data. It extracts, cleans, and transforms raw files using Python (Pandas) and stores them in a SQL Server database for…

    Jupyter Notebook 1

  2. Vault_cloud Vault_cloud Public

    Secure file-sharing platform using Node.js, JavaScript, and AWS S3 with encryption for data security.

    JavaScript

  3. Spyder-Project Spyder-Project Public

    Automated data collection for the Spyder Project using Python web scraping techniques.

    Python

  4. IOT-based-Precision-Agriculture IOT-based-Precision-Agriculture Public

    Real-time IoT system for soil and environmental monitoring, using Python for data capture and automated irrigation.

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  5. Harsh24102 Harsh24102 Public

  6. Stock-Market-Crash-Analysis Stock-Market-Crash-Analysis Public

    Analysis of SENSEX data to identify and analyze historical stock market crashes using Python.

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