Mingming Li

OPSEU Research Assistant @ Toronto Metropolitan University | Machine Learning, Data Engineering

Toronto, Ontario, Canada

About

Currently serving as a Research Assistant at Toronto Metropolitan University, contributing to data preprocessing and analysis using Python and validating algorithms with real-world datasets. With over 8 years of professional experience, expertise spans machine learning, data engineering, and backend development. Previous roles include developing Python-based backend services, building data processing pipelines, and creating computer vision pipelines for document and image processing. Proficient in designing and optimizing large-scale data systems, ensuring efficient and production-ready solutions across diverse data engineering and machine-learning projects.

Experience

  • OPSEU Research Assistant at Toronto Metropolitan University
    Jan 2026 - Present · 7 mos

    • Developed Python scripts for data preprocessing and analysis • Validated algorithms using real-world datasets • Worked in an English-speaking research environment

  • Software / Data Engineer (Contract) at Fiverr
    Sep 2022 - Jan 2026 · 3 yrs 5 mos

    • Built Python-based backend services and data processing pipelines • Delivered production-ready solutions for multiple clients

  • Personal goal pursuit at Career Break
    Aug 2021 - Jul 2022 · 1 yr

    Learn french at Laval university.

  • Machine Learning Engineer at HASNG & BOS WINNER
    May 2019 - Jul 2021 · 2 yrs 3 mos

    • Developed and deployed computer vision pipelines for document and image processing • Trained and optimized deep learning models for detection, segmentation, and similarity matching • Improved processing efficiency by 50% on GPU-based systems

  • Big Data Engineer at Asiainfo & 360 Gene
    Aug 2016 - Jul 2019 · 3 yrs

    • Designed and maintained Spark-based data processing pipelines • Processed large-scale streaming data using Kafka and Hadoop • Reduced client complaints by 80% through system refactoring