Hey! My name is Eugene :v:

I’m a Computer Engineering Student @ the University of Waterloo.

Interested in Reinforcement Learning and Poker.

Experience

resume (updated 2026)

Machine Learning Engineering Intern @ Shopify | May 2025 - Aug 2025

  • Built and operationalized an evaluation pipeline to assess 1,000+ daily support interactions using a custom LLM, increasing support quality visibility from <2% of interactions previously evaluated.
  • Created a human-labeled benchmark validated through inter-annotator agreement and Cohen’s kappa and used it to tune LLM scoring models for higher alignment with human judgment.
  • Designed and implemented a Python framework to evaluate and benchmark multiple LLMs at scale using an LLM-as-a-judge paradigm.

Machine Learning Intern @ 2Digit | Sept 2022 - May 2023

  • Improved NLP sentiment classification accuracy by 15% through class balancing, label refinement, and multilingual data augmentation.
  • Fine-tuned a PyTorch-based sentiment model on curated and augmented Korean financial news and user-comment data.

Software Developer Intern @ Symcor | June 2021 - Feb 2022

  • Designed and implemented an automation pipeline in Python to generate quarterly risk reports, reducing manual reporting time by 70%.
  • Streamlined access to in-house risk metrics by creating a MySQL database and REST API in Flask, saving the team up to 40 hours per quarter in data-retrieval.

Quality Assurance Developer Intern @ Fidelity Investments | Jan 2020 - May 2022

  • Automated mutual fund data verification reducing operational processing time by 80% and enhancing data integrity through a streamlined validation process across hundreds of funds.
  • Validated API requests and performed API load testing using JMeter, verifying the functionality and integrity of servers under stress conditions.