Technical Skills
Python
SQL
Excel
Tableau
Power BI
Data Visualization
Project Management
Projects
Driving DoorDash Decisions: Marketing Insights from Excel Data Analysis
September 2025
Have you ever wondered how companies like DoorDash decide who to target with their ads? I recently dove into this fascinating topic by analyzing some company data to uncover which demographic groups are the most valuable for DoorDash's marketing efforts. It was a surprising journey into the world of data-driven decision-making.This project stemmed from my curiosity about how DoorDash, and similar companies, can make the smartest choices when it comes to advertising. With the right insights, they can target the right people and maximize their revenues. This project felt special because it combined my interest in data with my fascination for real-world business strategies!Skills Used: Key techniques in Excel used for data analysis including Data Cleaning, Data Sorting/Filtering, Pivot Tables, Data Visualization & more!
About Me
Hi! My name is Jeremy Fonseca, and I recently earned my Bachelor of Science in Computer Science from Rutgers University – New Brunswick. With a strong background in software engineering and recent experience as a Founding Software Developer at BallQ—an AI-powered soccer analytics platform—I am now pivoting my career toward data analytics.My technical foundation includes Python, SQL, Java, and data modeling, as well as hands-on experience with data integration, back-end pipelines, and building dashboards to visualize performance metrics. I am passionate about uncovering insights from complex datasets, turning raw information into actionable strategies, and applying analytics to solve real-world challenges.I am actively seeking opportunities in data analytics where I can combine my technical expertise, problem-solving skills, and eagerness to learn to deliver measurable impact. Outside of work, I love running, and am currently training for a sub-3 hour full marathon attempt!Let’s connect—I’d love to explore how I can bring value through my skills in analytics, data-driven decision-making, and innovative problem solving.