AboutMe

Results-driven Data Analyst with expertise in SQL, Python, Power BI, and BigQuery. Skilled in building ETL pipelines, predictive models, and interactive dashboards that turn raw data into actionable business insights. Transitioning from frontend development, bringing a strong foundation in automation, data storytelling, and visualization.

TechnicalProficiency

My comprehensive toolkit for turning data into insights, showcasing my proficiency across various technologies.

Python

SQL

Power BI

BigQuery

Tableau

Pandas

NumPy

Excel

Looker

Git

API

SSMS

JavaScript

TypeScript

Java

MongoDB

Postman

Figma

Penpot

React

Node.js

Express.js

Hugo

MUI

Python

SQL

Power BI

BigQuery

Tableau

Pandas

NumPy

Excel

Looker

Git

API

SSMS

JavaScript

TypeScript

Java

MongoDB

Postman

Figma

Penpot

React

Node.js

Express.js

Hugo

MUI

Programming & Databases

  • SQL
  • Python
  • BigQuery
  • SQLite
  • SQL Server

Data Analysis

  • Data Cleaning
  • Anomaly Detection
  • Statistical Analysis
  • Forecasting & Projections
  • A/B Testing

Data Engineering

  • Automated ETL Pipelines
  • Data Lifecycle Management
  • API Integrations
  • Data Validation & Monitoring

Visualization & BI

  • Power BI
  • Tableau
  • Looker Studio
  • Excel / Google Sheets

Collaboration & Tools

  • Git / GitHub / GitLab
  • REST API
  • Google Workspace
  • Documentation
  • SSMS

Soft & Business Skills

  • Stakeholder Communication
  • Requirements Gathering
  • Agile Collaboration
  • Data Storytelling
  • Business Insights

ProjectsShowcase

Hospitality Revenue Analysis – AtliQ Grands

Hospitality Revenue Analysis – AtliQ Grands

Power BI
SQL
Excel

Automated ETL pipelines with optimized SQL queries, reducing reporting cycle by 40%. Built KPI dashboards (ADR, RevPAR, occupancy) to optimize pricing and revenue decisions.

GitHub
Employee Churn Prediction – HR Analytics

Employee Churn Prediction – HR Analytics

BigQuery
PyCaret
Looker Studio

Processed 15,000+ HR records in BigQuery, ensuring high-quality datasets. Developed churn prediction model with Random Forest, flagging high-risk employees 25% earlier, helping reduce attrition costs. Interactive Looker Studio dashboard visualizing churn risk by department and employee segments.

GitHub
EV Market Entry Strategy – Automotive Sector

EV Market Entry Strategy – Automotive Sector

Power BI
Excel
DAX

Forecasted EV adoption and sales scenarios using SQL + CAGR/DAX, improving forecast accuracy by 30%. Created dashboards comparing state-wise penetration, competitor performance, and market trends. Delivered data-driven recommendations for a multimillion-dollar investment strategy.

GitHub
Epidemiological Data Pipeline & Dashboard – COVID-19 Project

Epidemiological Data Pipeline & Dashboard – COVID-19 Project

Python
SQLite
Power BI

Designed a real-time ETL pipeline with anomaly detection for clean COVID data ingestion. Built dashboards tracking infections, recoveries, and death trends across regions. Enabled early detection of spikes and trends for public health monitoring.

GitHub

Explore More Projects

Including Machine Learning (Classification, Regression, and Time-Series Forecasting)

View on GitHub

Education

Sep 2024

MCA

MACFAST College

MG University

June 2022

BCA

Catholicate College

MG University

Certifications

Coursera • In Progress – Expected Oct 2025

Google Advanced Data Analytics

Foundations of Data Science by Google
View Credential
Get Started with Python by Google
View Credential
Go Beyond the Numbers: Translate Data into Insights
View Credential

Forage • Jul 2024

Tata – GenAI Powered Data Analytics Job Simulation

View Credential

LinkedIn Learning • Aug 2025

Data Visualization: Storytelling

View Credential

Cisco Networking Academy

Data Science Foundations

View Credential

WorkExperience

Frontend Developer
Webyfy IoT Pvt. Ltd.

Leveraging strong frontend expertise to build robust API integrations and scalable UI components. Proactively handled complex data structures and contributed to the development of intuitive interfaces, demonstrating a keen eye for data flow and visualization.

GetInTouch

Have a question or want to work together? Drop me a message!

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© 2025 Steffin Thomas. All Rights Reserved.