Toussaint Saint-Sir Arakaza
Gatineau,Canada
Summary
Multilingual professional fluent in Kirundi, French, and English, with a strong foundation in programming and analytical tools including Python, SQL, Excel, R, and Power Query. Practical expertise in artificial intelligence and database management is complemented by strong communication and collaboration skills. Demonstrates curiosity and adaptability, thriving in dynamic environments while consistently seeking opportunities for growth and learning. Committed to leveraging technical skills and teamwork to drive innovative solutions.
Overview
1
1
year of professional experience
3
3
Certification
Work History
Guest Service Associate
Hotel Plaza
07.2025 - Current
- Greeted visitors and customers upon arrival, offered assistance, and answered questions to build rapport and retention.
- Contributed positively towards achieving team targets by cross-selling additional amenities during interactions with guests.
- Maintained a clean and welcoming lobby area to create a positive first impression for guests.
- Handled customer complaints to satisfy and retain guests.
- Managed front desk operations, ensuring a smooth and pleasant guest experience.
Education
Associate of Applied Science - Data Science
La Cité
Ottawa, Ontario - Canada06-2026
High School Diploma -
École Mathieu De Gravelbourg
Gravelbourg, SK - Canada06-2024
Skills
Data Analysis & Visualization
- Collecting, cleaning, and exploring datasets
- Visualizing data with Matplotlib, Excel, and beginner-level Power BI
Programming & Automation
- Python, R, SQL for data manipulation and scripting
- Developing analytical tools to support decision-making
Modeling & Statistics
- Predictive modeling with Scikit-learn
- Cross-validation, model evaluation, and report generation
Other Skills
- Team player, patient, and detail-oriented
Accomplishments
Worked on a Credit Card Default Prediction project where I analyzed client data to identify patterns associated with next-month default.
Performed exploratory data analysis (EDA), applied PCA for feature engineering, and built a logistic regression model to predict default risk.
Improved model interpretability and evaluated performance using appropriate classification metrics.
Languages
French
Native or Bilingual
English
Full Professional
Kirundi
Native or Bilingual
Certification
- Data Science Job Simulation – British Airways (Forage) – June 2025
- SafeTalk (Suicide Prevention) - November 2023
- Volunteering at St. Joseph’s Hospital / Foyer d’Youville - April 2024
Interests
Passionate about photography and cinematography, capturing authentic present moments using my Fujifilm X-M5 I enjoy exploring visual storytelling through movement, light, and natural scenes
Timeline
Guest Service Associate
Hotel Plaza
07.2025 - Current
Associate of Applied Science - Data Science
La Cité
High School Diploma -
École Mathieu De Gravelbourg