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Data Storyteller & ML Enthusiast

Hi, I'm Girish

Turning raw data into stories that matter —
through dashboards, models & code.

Explore My Work
Girish Sabale

Girish Sabale

Data Storyteller & ML Enthusiast

Maharashtra, India

github.com/B00mer10

Core Expertise

Python
SQL / PostgreSQL
Power BI
Excel
ML Basics
N8N Automation

About Me

Self-taught data professional specializing in datasets, dashboards, and automation scripts. A dedicated problem-solver merging data, code, and creativity into practical, impactful solutions.

I build Python scripts to process and analyze raw data, work with large SQL datasets for in-depth analysis, and develop Power BI dashboards that translate numbers into actionable insight.

Continuously learning — from prompt engineering with Generative AI to building automation workflows. Open to collaborations, freelance projects, and data-driven opportunities.

Python — Advanced
SQL — Proficient
Dashboards — Proficient

Achievements & Certifications

  • First Place — Consecutive 2 Years, BCA Academic excellence award for two consecutive years in Bachelor of Computer Applications
  • Google Data Analytics Certificate Certified by Google — Coursera Professional Certificate Program
  • Google AI Prompting Essentials Certificate Certified by Google — Foundations of AI Prompt Engineering
01
FEATURED PROJECT · BEST WORK
Power BI · Python · DAX · Financial Analytics

NIFTY 500 ANALYTICS DASHBOARD

From Chaos to Clarity — 30 Years of Indian Stock Market Data

End-to-end analytics pipeline processing 500,000+ data points across 500 stocks from 1996–2025. Built with Python for data engineering and Power BI for visualization. Transforms raw price data into returns, volatility, and Sharpe Ratio metrics through a 6-phase pipeline. Presented at Dr. S. B. Nimse Amrit Mahotsav Poster Exhibition, November 2025.

500 stocks · 30 years · 500,000+ data points · 500MB PBIX
DAX: Avg Return, Volatility, Annualized Sharpe Ratio (√252)
Risk–Return Treemap · Top/Bottom 10 Sharpe · Volatility Rankings
Wide-to-long unpivot · Forward-fill · yfinance pipeline
Pythonpandasyfinance Power BIDAXPower Query Sharpe RatioFinancial Analytics
02
Power BI · DAX · Custom Visuals

KEANU REEVES FILMOGRAPHY

Financial Performance, Critic Scores & Franchise Analytics

Multi-page Power BI dashboard analyzing Keanu Reeves' complete filmography — combining box office financials, IMDb, Metacritic, and Rotten Tomatoes data across 80+ films spanning 4 decades. Features a Sankey ROI flow diagram, drill-down donut charts, animated bar race, and film profile cards with poster display.

Budget vs Box Office · ROI Sankey · Franchise revenue breakdown
Film profile cards with poster, runtime, genre & all critic scores
9 custom visuals: Sunburst, Word Cloud, Histogram, Calendar heatmap
Animated bar race showing career box-office growth by decade
Power BIDAXSankey IMDbMetacriticZoomCharts Rotten TomatoesBox Office
03
Power BI · Excel · SQL

PASEO TISSUE DASHBOARD

Sales, Profits & Customer Segment Analytics

Interactive Power BI dashboard delivering insights into Paseo Tissue's sales and profit performance across 5 customer segments — Government, Enterprise, Midmarket, Channel, and Small Business. Features geographic profit mapping, discount-band analysis, and quarterly performance trends sourced directly from Excel data.

Profit by segment · country map · discount-band waterfall analysis
Monthly revenue trends · YoY performance matrix · quarterly MoM
Navigation buttons · social links · embedded brand logo assets
Excel Power Query ETL · DAX measures for margin & growth %
Power BIDAX ExcelSQLPower Query Sales AnalyticsETL
04
Power BI · Civic Data

PASHUSANKALAN: MAHARASHTRA

Understanding Stray Animals Across Districts with Data

Civic-focused Power BI dashboard visualizing stray dog and cattle populations across all 36 of Maharashtra's districts. Designed for government agencies, NGOs, researchers, and animal welfare organizations — with interactive district filters, KPI summary cards, and comparative line charts enabling evidence-based decision making.

District-wise stray dog & cattle counts with dropdown slicer
KPI cards: total count, max district, avg per district
Comparative bar & line charts · top-district highlights
Intended for city planning, policy-making & welfare budgets
Power BICivic Data MaharashtraDAXWelfare GovernmentKPI
05
Python · tkinter · CLI

PYTHON MINI PROJECTS

7 Projects — Code With Harry Series

A collection of 7 beginner-to-intermediate Python projects built during the Code With Harry series — covering game logic, file I/O, GUI applications, OS-level automation, system notifications, and clipboard management. Each project is standalone, documented, and MIT licensed.

Snake Water Gun · File Organiser · Typing Speed Tester
PDF Merger GUI (tkinter) · Water Reminder · Password Manager
Libraries: tkinter · pypdf · plyer · pyperclip · os · shutil
All projects individually documented with usage instructions
Pythontkinter pypdfplyerCLI pyperclipAutomation
06
SQL · Data Analysis

21 DAYS SQL CHALLENGE

Daily Tasks + Pizza Sales + SQL Murder Mystery

21-day structured SQL challenge featuring daily concept-based tasks and two capstone mini projects — a Pizza Sales revenue analysis and a detective-style SQL Murder Mystery requiring multi-table JOINs. Covers fundamentals through advanced SQL: SELECT, GROUP BY, JOINs, subqueries, window functions, and aggregations.

Pizza Sales: revenue, top sellers, peak hours, category trends
SQL Murder Mystery: multi-table JOINs to find the killer
21 daily tasks: SELECT → GROUP BY → JOINs → subqueries
Window functions · CTEs · date functions · string operations
SQLExcelJOINs SubqueriesAggregations CTEsWindow Functions

Let's Connect

Open to collaborations, data projects, freelance opportunities, and creative work.