Summary
Overview
Work History
Education
Skills
Languages
Certification
Travel Enthusiast, Aïkido Practitioner, Lifelong Learner, Book Lover, Knowledge Seeker
Timeline
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Sara Hamel Halim

Summary

Accomplished Data Scientist with a proven track record at National Bank Of Canada, enhancing credit approval strategies through advanced statistical models and machine learning. Expert in SAS Programming and Python, I significantly automated analytical processes, boosting efficiency. Skilled in cross-functional collaboration, I led initiatives that markedly improved decision-making accuracy and team proficiency.

Overview

5
5
years of professional experience
1
1
Certification

Work History

Data Scientist

National Bank Of Canada
01.2021 - Current
  • Development of statistical models for approving credit card applications (credit scoring and approval strategies).
  • Development of statistical models for approving business owners credit card applications.
  • Worked with stakeholders to develop quarterly roadmaps based on impact, effort and test coordinations.
  • Collaborated cross-functionally with stakeholders, ensuring alignment on key initiatives and project goals.
  • Analyzed large datasets to identify trends and patterns in customer behaviors.
  • Modeled predictions with feature selection algorithms to increase credit card limits and over-limits
  • Ran statistical analyses within software to process large datasets.
  • Evaluation of the impact of my strategies on the portfolio, focusing on default metrics, profits, and approval/automation rates.
  • Automated repetitive tasks using scripting languages such as SAS, saving time during the analytical process significantly.

Senior Data Analyst

National Bank Of Canada
01.2020 - 12.2020
  • Delivered comprehensive reports highlighting key trends, patterns, anomalies, presenting findings to senior management for informed decision-making purposes.
  • Analyzed large amounts of data to identify trends and find patterns, signals and hidden stories within data.
  • Partnered with IT teams to ensure seamless integration between databases and analytical tools, maximizing system efficiency across departments.
  • Served as a subject matter expert on various projects, sharing valuable insights derived from extensive industry experience as a Senior Data Analyst.
  • Spearheaded the implementation of various dashboard visualization tools, providing actionable insights for stakeholders and decision-makers.
  • Trained junior analysts in best practices for statistical modeling techniques, fostering professional growth within the team.
  • Developed and implemented data collection systems and other strategies to optimize statistical efficiency and data quality.

Consultant in the Collection Department

National Bank Of Canada
03.2019 - 12.2019
  • Promoted a positive learning environment by establishing clear expectations and maintaining consistent classroom management techniques.
  • Tracked agents progress, frequently checking in with struggling agents and identifying root causes of problems.
  • Boosted agent performance by providing individualized support and targeted feedback.
  • Initiated new learning methods, eliminating instructional gaps and improving comprehension.
  • Participated in professional development opportunities to stay current on educational trends and enhance teaching effectiveness.

Education

Bachelor of Science - Mathematics And Statistics

University of Montreal
Montreal
2019

Skills

  • Python Programming
  • Machine Learning
  • SQL Databases
  • Statistical Analysis
  • Neural Networks
  • R Programming
  • Big Data Analytics
  • Database Management
  • Data Mining
  • Anomaly Detection
  • Probability Theory
  • Data Exports
  • SAS expertise
  • Large dataset management
  • Data programming

Languages

English
Native or Bilingual
French
Native or Bilingual
Arabic
Native or Bilingual
Spanish
Professional Working

Certification

  • Supervised Machine Learning : Regression and Classification - Stanford University

Travel Enthusiast, Aïkido Practitioner, Lifelong Learner, Book Lover, Knowledge Seeker

  • I have visited more than 10 countries, enriching my cultural understanding.
  • I am dedicated to daily learning and actively seek new information.
  • I independently study and practice Spanish to enhance my language skills.
  • I am passionate about reading books on Personal Development, AI, and Data Science.
  • I hold a Green Belt in Aïkido, reflecting my commitment to martial arts proficiency.


Timeline

Data Scientist

National Bank Of Canada
01.2021 - Current

Senior Data Analyst

National Bank Of Canada
01.2020 - 12.2020

Consultant in the Collection Department

National Bank Of Canada
03.2019 - 12.2019

Bachelor of Science - Mathematics And Statistics

University of Montreal

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Sara Hamel Halim