Annie Yao

Experience

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  Game of Apps

  Jul 2019 - Aug 2019

  Android Developer

  • Coded several activities in the Game of Apps Companion App using Java in Android Studios• Tested and debugged the app systematically for a stable roll-out in the Android Play Store• Consulted with design team to implement their visual elements using Miro as xml designs in the app

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  Later

  May 2021 - Dec 2021

  Data Science Intern

  • Built a machine learning XGBoost model in Python to revamp Later's feature Best Time to Post on Instagram, removing the requirement for a user to have posted 50 times within the last 6 months to access suggested best times to post • Analyzed and presented data in R/Rmarkdown for several Later blog posts• Created new BigQuery tables by aggregating and cleaning Later’s raw data using SQL, allowing commonly required metrics to be more easily understood and retrieved

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  Bank of Canada

  May 2022 - Sept 2023

  Student Data Scientist

  • Built machine learning models to detect anomalies in the company network to enhance cyber security• Used stochastic models combined with XGBoost models in both R and PySpark in Databricks• Analyzed and compared multiple models and their performance, including support vector machines, logistic regression, decision trees• Presented to several cyber security teams and upper management to introduce how advanced analytics and machine learning can be used to detect malware, and the statistical methods used Show less

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  Simon Fraser University

  May 2023 - Aug 2023

  Research Assistant

  • Summer research assistant at the Department of Statistics and Actuarial Science • Creating software in C++ to perform genome-wide association studies on "voxels" of brain image studies• Funding: Undergraduate Student Research Award from NSERC, and SFU