Md Waliullah | Data Analyst

About Me

I am a Data Analyst with a strong foundation in Mathematics (Hons.) and Statistics. I specialize in transforming raw, complex datasets into actionable business insights. Using SQL, Python, and Excel, I bridge the gap between quantitative modeling and strategic decision-making. My goal is to leverage analytical rigor to build clear, impactful data stories that drive efficiency and organizational growth.

My Expertise

Quantitative Analysis

Leveraging my Mathematics (Hons.) background to build statistical models, perform hypothesis testing, and uncover hidden trends in complex datasets for predictive insights.

Data Visualization

Transforming raw figures into compelling visual stories using Power BI and Advanced Excel. Creating interactive dashboards that help stakeholders make data-driven decisions quickly.

Data Management

Expertise in SQL for efficient data extraction, cleaning, and manipulation. Proficient in managing relational databases to ensure data integrity and optimized query performance.

Tools & Skills

MS Excel (Advanced)

SQL (MySQL/PostgreSQL)

Python (Pandas/NumPy)

Power BI / Tableau

Statistical Modeling

Google Analytics

Featured Projects

Sales Performance Dashboard

Built an interactive Power BI dashboard to track monthly sales, regional performance, and profit margins for a retail dataset.

Power BI Excel

View Project

Customer Churn Analysis

Executed complex SQL queries (Joins, CTEs, Window Functions) to identify factors leading to customer churn in a telecom database.

SQL MySQL

View Project

Educational Background

Graduation

B.Sc. in Mathematics (Hons.)

Vinoba Bhave University, Hazaribagh | 2021 - 2024

Higher Secondary

Class XII

Jharkhand Academic Council (JAC), Ranchi | 2021

Stream: Physics, Chemistry, Mathematics (PCM)

Secondary Senior

Class X

Jharkhand Academic Council (JAC), Ranchi | 2019

Professional Certifications

SKILLSHOP

Google Analytics

GA4 expertise, data tracking, and audience insights.

VERIFY CREDENTIAL

Deloitte.

Job Simulation

Dashboarding and strategic insights for client projects.

VIEW CREDENTIAL

Connect With Me

GitHub

Gmail