Data Analyst Portfolio

Wilmer Mateo
Heras Vera

Data Analyst – Aviation Operations  |  Performance & Cost Analytics  |  SQL, Python, Power BI

Toronto y alrededores, Canadá
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About Me

Who I Am

I'm a Data Analyst focused on turning operational data into measurable business outcomes, particularly in high-volume, time-sensitive environments like aviation operations. Currently deepening my skills in advanced analytics and applied machine learning while delivering production-ready insights.

98%
Aircraft Time Reporting Accuracy
75%
Reduction in Email Processing Time
4×
Faster Daily Reporting (2h → 30min)
382
LinkedIn Followers
Career

Experience

PrimeFlight Aviation Services
Data Analyst (Operations Analytics)
oct. 2025 – actualidad  ·  7 meses
Toronto, Ontario, Canadá
Python SQL
PrimeFlight Aviation Services
Operations Data Analyst
ene. 2025 – nov. 2025  ·  11 meses
Toronto, Ontario, Canadá
Automated sales reconciliation using VBA, reducing daily reporting time from 2 hours to 30 minutes. Built PostgreSQL-connected Streamlit app for real-time operational data validation, achieving 98% accuracy in aircraft time reporting. Developed email-based shift scheduling system with token verification, eliminating paper forms and reducing processing time by 75%.
Python SQL VBA Streamlit PostgreSQL
MakolEcuador Cia. Ltda.
Pasante – Finanzas, Logística y Gerencial
oct. 2021 – dic. 2021  ·  3 meses
Cuenca, Ecuador
Dashboard creation, data analytics, and forecasting model development for finance, logistics, and management departments.
Python
Banco del Austro
Analista Junior
abr. 2022 – jun. 2022  ·  3 meses
Ecuador
Machine Learning Teamwork
Education

Education

University of Niagara Falls Canada
Master of Data Analytics – Data Science
oct. 2024 – dic. 2025
Machine learning, Python, R, SQL, Tableau/Power BI, data analysis methodologies.
ILSC Education Group
ESL – English Language and Literature
ene. 2024 – ago. 2024
Full-time English language studies, Toronto campus.
Universidad de Cuenca
Formación Profesional de Grado Superior – Economics
sept. 2017 – mar. 2023
Presidente de la Liga Deportiva Universitaria. Representante Estudiantil. ExSeleccionado de baloncesto provincial del Azuay.
Expertise

Skills

Python SQL Power BI Machine Learning Data Science Data Visualization Data Analysis Cloud Computing Project Management Cost Control Microsoft SQL Server English ESL Prompt Engineering