# Charlie(Chenhao) Liu > Software Engineer @ Meta | Computer Science @ Columbia + UToronto Location: New York, New York, United States Profile: https://flows.cv/charliechenhao As a software engineer with solid experience in cloud computing and machine learning, I am passionate about building scalable and robust systems that solve real-world problems. I have worked for AWS and Oracle as a software development engineer, contributing to various projects related to single sign-on, web cloud service, and business analytics tools. I am skilled in Python, C++, Java, JavaScript, and SQL, and have a strong engineering background. I graduated with honors from the University of Toronto with a degree in computer engineering and minors in engineering business and machine learning. Currently, I am pursuing a master's degree in computer science at Columbia University, with a focus on machine learning and systems development. I was also an investment research intern at Source Code Capital, where I apply my cloud and ML expertise to support investment research and decision making. ## Work Experience ### Software Engineer @ Meta Jan 2024 – Present | New York, United States ### Software Development Engineer @ Amazon Web Services (AWS) Jan 2021 – Jan 2022 | Toronto, Ontario, Canada Worked as a software engineer for AWS Identity Center’s (previously AWS SSO) backend service to manage AWS SSO Instance service. Designed and implemented public APIs, event processors, and participated in operational duties for the service. ### Summer Research (Data-Driven Decision Making Lab) @ University of Toronto Jan 2020 – Jan 2020 | Toronto, Ontario, Canada -Supervisor: Professor Scott Sanner -Topic: Voting-based Probabilistic Model for modulating Precision-Recall curve ### Software Developer @ Oracle Jan 2019 – Jan 2020 | Toronto, Canada Area - Implemented a user analytics system for user data collection, visualization, analysis and customer activity tracking for 10K+ clients - Created an interactive UI and optimized the backend data analysis time - Optimized the workflow and efficiency of the marketing cloud service platform to manage marketing campaigns and sales lead generations - Practiced Jira Agile development life cycle for enterprise-level developer ## Education ### Master's degree in Computer Science Columbia University ### Bachelor of Applied Science - BASc in Computer Engineering University of Toronto ## Contact & Social - LinkedIn: https://linkedin.com/in/charlie-chenhao-liu --- Source: https://flows.cv/charliechenhao JSON Resume: https://flows.cv/charliechenhao/resume.json Last updated: 2026-04-05