Mumbai, India · Open to internships & freelance

Aaryan Singh.

Data Analyst — Excel · SQL · Power BI

I turn messy data into clear decisions.

View projects Get in touch Download resume
  • 50 NSE stocks
    Live market dashboard
  • 24,068 Mn
    Monthly UPI transactions analyzed
01 — Selected work

Projects

Each project: the question, the data, the method and the measured result — with the code to back it up.

P/01 Live

MarketPulse

Financial market data pipeline

Question
Retail investors lack clean, current Indian market data.
Data
50 NSE stocks.
Method
Python ETL (yfinance) scheduled via GitHub Actions → PostgreSQL/Supabase → Next.js dashboard.
Result
50 stocksLive dashboard — 90-day price history, stock screener, ARIMA/XGBoost forecasts, CSV/JSON export.
PythonyfinanceGitHub ActionsPostgreSQLSupabaseNext.jsARIMAXGBoost
Live demo (opens in new tab)Code (opens in new tab)
P/02 Concept project · building now

UPI Ecosystem Pulse

India's digital-payments growth

Question
Make India's digital-payments growth visible.
Data
Official NPCI UPI statistics, Apr–Sep 2026.
Method
Power BI dashboard (premium light theme).
Result
In progressIn progress — not yet published.
Power BINPCI data
Coming soon
P/03

E-commerce ETL Pipeline

Cleaning sales data for analysis

Question
Messy sales data needs cleaning before analysis.
Data
E-commerce sales records.
Method
Python/pandas ETL pipeline.
PythonpandasETL
GitHub profile (opens in new tab)
02 — How I work
Real data, documented honestly. Partial months get excluded, not fudged.
Real data, documented honestly.
When source data was corrupt (Apr-2026 NPCI file), I re-sourced it instead of interpolating.
Partial months get excluded, not fudged.
03 — Toolkit

Skills

Only the tools the projects above actually prove.

SQL

PostgreSQL, MySQL — joins, CTEs, window functions.

MarketPulse

Python

pandas, ETL scripting.

MarketPulse · E-commerce ETL

Power BI

Dashboard design and reporting.

UPI Ecosystem Pulse

Excel

Cleaning, reporting.

Data preparation

Tableau

One dashboard.

04 — About

About

Third-year BSc Computer Science student at Ramniranjan Jhunjhunwala College, Mumbai (2027), also pursuing a Global Data Science Program at BSE Institute.

I learn by building — every project above runs on real data with the code to prove it.

Based in
Mumbai, India
Graduating
2027
Experience
LabMentix data analytics internship
Open to
Internships & freelance
05 — Contact

Let's work
with data.

Email me LinkedIn (opens in new tab) GitHub (opens in new tab) aryansengar02@gmail.com