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Data Analyst | Business Intelligence
Data Analyst | Business Intelligence
I’m Joseph — a data-driven problem solver with a passion for turning complexity into clarity. This portfolio brings together a range of projects that span analytics, visualization, strategy, and storytelling. Whether I’m working with Power BI, Python, SQL, or other tools, my focus remains the same: extract meaningful insights and deliver solutions that make a real impact.
From business dashboards to exploratory data analysis, each project reflects a hands-on approach, a sharp eye for detail, and a commitment to making data work for people and not the other way around.
Outils: Python| R | SQL| MongoDB| Google BigQuery| Power BI | Tableau| Looker| R-Shiny| DBT | Fivetran
Outils: Python| R | SQL| MongoDB| Google BigQuery| Power BI | Tableau| Looker| R-Shiny| DBT | Fivetran
Skills:
project 1 - Retail Analytics for Strategic Expansion
project 1 - Retail Analytics for Strategic Expansion
Tata iQ Consulting Simulation | Online Retail Case Study
Tata iQ Consulting Simulation | Online Retail Case Study
Project Overview
Project Overview
This project was completed as part of a data visualization simulation of Tata Insights and Quants (Tata iQ) in collaboration with forge.
The goal was to help the CEO and CMO of an online retail store uncover key revenue drivers, seasonal trends, and international growth opportunities using Power BI.
🛠️Tools: Power BI | DAX| Power Query
🔎Focus Area: Data Cleaning | Dashboarding | Business storytelling
Business Context
Business Context
Tata Group is a global conglomerate with operations in over 100 countries and a legacy of innovation across industries. This project was completed as part of a simulation with Tata iQ, the data analytics division of Tata Group, which helps businesses turn complex data into strategic insights. The simulation reflects the kind of challenges Tata iQ consultants tackle daily — analyzing performance, identifying growth opportunities, and guiding executive decisions through data storytelling.
Tata Group is a global conglomerate with operations in over 100 countries and a legacy of innovation across industries. This project was completed as part of a simulation with Tata iQ, the data analytics division of Tata Group, which helps businesses turn complex data into strategic insights. The simulation reflects the kind of challenges Tata iQ consultants tackle daily — analyzing performance, identifying growth opportunities, and guiding executive decisions through data storytelling.
Project 2 - Retail Analytics: Customer Segmentation and Store Trial Performance
Project 2 - Retail Analytics: Customer Segmentation and Store Trial Performance
Quantium Simulation | Case Study in Grocery Retail Strategy
Quantium Simulation | Case Study in Grocery Retail Strategy
Project Overview
Project Overview
This project was completed as part of the Quantium Virtual Experience Program, simulating the role of a retail data analyst. Over two tasks, I explored customer purchasing behavior and assessed the impact of a new store layout trial in the chips category, with the goal to deliver clear, data-backed insights to support strategic decisions for the client’s upcoming category review.
Tools used: Python | Pandas | Matplotlib | Seaborn | SciPy
Focus areas: Data cleaning | Customer segmentation |Control store matching | Uplift testing | Strategic analysis | Visualization and Reporting
Business Context
Business Context
Quantium is a global leader in data science and artificial intelligence, known for helping businesses harness data to drive strategic decisions. This project was completed as part of the Quantium Virtual Experience Program, which simulates the kind of challenges faced by Quantium’s retail analytics team.
The simulation focused on the chips category within a major retail client, where I was tasked with analyzing customer purchasing behavior and evaluating the impact of a new store layout trial. The work reflects real consulting scenarios — from segmenting customers and benchmarking performance to delivering insights that inform category strategy and executive decision-making.
project 3
project 3
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