Calvin Guevara-Castro
Hamilton,ON
Summary
Level-3 Commerce student with a Computer Science minor at McMaster University, actively seeking Data Science/Data Analytics roles. Proficient in HTML, CSS, Python, Java, Elm, SQL, Excel, Power BI, and Tableau, eager to leverage analytical and programming skills in a dynamic environment.
Overview
2
2
years of professional experience
Work History
Data Science Intern
Samy's Drug Mart
05.2024 - 08.2024
- Developed interactive dashboards in Power BI and Excel to track real-time marketing performance, enabling the team to quickly assess campaign success and make data-driven adjustments for maximum impact.
- Conducted in-depth customer segmentation and visualized key trends using Power BI and Excel, empowering the team to implement targeted marketing initiatives that improved customer engagement and retention.
Personal Banking Associate (Billingual)
Rogers Bank
05.2023 - 08.2023
- Conduct client consultations to assess financial needs and provide personalized banking solutions.
- Facilitate account openings, loan applications, and other banking transactions for clients.
- Collaborate with internal teams to resolve client issues, escalate complex cases as needed, and follow up to ensure satisfactory resolution.
Data Analyst Intern
Atlantic Roofers Ontario Ltd.
05.2022 - 04.2023
- Analyzing contracts helping the team make more informed financial decisions.
- Utilizing Excel for advanced data analysis and reporting, creating and maintaining spreadsheets to manage contract information, track project expenses, and automate data calculations.
- Improving data accuracy and workflow efficiency by organizing contract data, which contributed to enhanced reporting and quicker access to vital information for project planning and budgeting.
Education
Bachelor of Commerce - Honours Commerce, Minor in Computer Science
McMaster University
Hamilton, ON05-2026
Skills
- Predictive modeling
- Data screening
- Tableau/PowerBI
- Machine Learning
- Excel
- Documentation
- Customer Service
- SQL Programming
- Statistical Analysis
- Data Interpretation
- Financial Analysis
- Software Development
Languages and Technologies
- HTML, CSS, Python, ELM, Java, Excel, Power BI, Tableau, SQL.
- Visual Studio; Microsoft Office;
- Bilingual (English & French)
Timeline
Data Science Intern
Samy's Drug Mart
05.2024 - 08.2024
Personal Banking Associate (Billingual)
Rogers Bank
05.2023 - 08.2023
Data Analyst Intern
Atlantic Roofers Ontario Ltd.
05.2022 - 04.2023
Bachelor of Commerce - Honours Commerce, Minor in Computer Science
McMaster University
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