rohan singh

experience

Places I've worked and what I did there.

I've gotten to work on machine learning, backend code, and tools used by real people. Here are the parts I'm most proud of.

  1. Expedia Group

    work

    Machine Learning Intern

    jun 2026 - presentSan Jose, CA

    Working on personalization and member-retention models for the Membership & Engagement team.

    • Building personalization and member-retention models with Python, PyTorch, and SQL

  2. Freddie Mac

    work

    Software Engineer Intern

    may 2025 - jul 2025McLean, VA

    Built backend APIs, test automation, and data tooling across a Spring Boot and AWS stack.

    • Built GraphQL endpoints that reduced API payload size by 60%
    • Authored a Playwright proof of concept that ran 4x faster than the existing Selenium suite
    • Built a Python and Jenkins pipeline that cut data refresh time from 2 hours to 10 minutes

  3. Biocomplexity Institute, UVA

    work

    AI/ML Engineer

    nov 2024 - may 2025Charlottesville, VA

    Developed graph-based anomaly detection on supercomputing infrastructure.

    • Developed graph-based anomaly detection for graphs with more than 2 million nodes
    • Improved AUC-ROC from 0.55 to 0.76
    • Worked with Python, cuGraph, NetworkX, and supercomputing infrastructure

  4. University of Virginia

    school

    BSCS, Data Science minor

    aug 2024 - may 2027Charlottesville, VA

    BSCS with a Data Science minor. Expected May 2027; transferred from UW-Madison after one year.

  5. Cubic Corporation

    work

    Software Engineer Intern

    jun 2024 - aug 2024Remote

    Built and shipped an AWS-hosted documentation portal with React and Docusaurus.

    • Built a React and Docusaurus user guide portal serving more than 10,000 users
    • Reduced related support tickets by 85%
    • Deployed the portal on AWS

  6. University of Wisconsin-Madison

    school

    Started CS at UW-Madison

    aug 2023 - may 2024Madison, WI

    Transferred to UVA after one year.