yangying xu

yangying xu

Santa Clara, California, United States
2K followers 500+ connections

About

Software Engineer with 6+ yoe designing and delivering large-scale cloud infra…

Activity

2K followers

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Experience

  • Oracle Graphic

    Oracle

    Santa Clara, CA

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    San Jose, CA

  • -

    Shanghai City, China

Education

  • Carnegie Mellon University Graphic

    Carnegie Mellon University

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    #1 MIS Program
    Data & Software Management: Objected-Oriented Java Programming, Distributed Systems, OOAD, Web Application Development, NoSQL/SQL Database Management, Linux ,Machine Learning, Big data and Large-scale computing, Data Mining
    Business/Management: Organizational Design and Implementation, Digital Transformation, Professional Speaking/Writing, Managing Disruptive Technologies

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Licenses & Certifications

Volunteer Experience

  • Volunteer

    Suzhou Museum

    - 3 years 1 month

  • AIESEC Graphic

    EP Manager

    AIESEC

    - 2 years 4 months

Publications

  • Kalman Filter-based Time Series Prediction of Cake Factory Daily Sale

    CISP-BMEI Conference, EI Compendex & ISTP & IEEE Xplore

Courses

  • Enterprise Web Development

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  • Big data and Large-scale computing

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  • Data Mining

    95791

  • Database Management

    95703

  • Distributed System

    95702

  • Financial Accounting

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  • Introduction to Machine Learning (phd)

    10701

  • Linux & Open source

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  • NoSQL database management

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  • Object Oriented Programming in Java

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  • Organization Design and Implementation

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Projects

  • Semantic Book Recommendation System

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    • Developed an intelligent content-based book recommender leveraging Large Language Models to enhance user discovery and deliver personalized reading suggestions.
    • Prepared and cleaned a 7K-book dataset using Pandas, implementing vector search by converting book descriptions into embeddings via OpenAI API and storing them in ChromaDB.
    • Engineered book category classification via zero-shot learning with Hugging Face Transformers and sentiment analysis using fine-tuned RoBERTa model for…

    • Developed an intelligent content-based book recommender leveraging Large Language Models to enhance user discovery and deliver personalized reading suggestions.
    • Prepared and cleaned a 7K-book dataset using Pandas, implementing vector search by converting book descriptions into embeddings via OpenAI API and storing them in ChromaDB.
    • Engineered book category classification via zero-shot learning with Hugging Face Transformers and sentiment analysis using fine-tuned RoBERTa model for precise recommendations.
    • Built a Gradio dashboard allowing users to input queries and dynamically filter results by category and sentiment.

  • Location-based Event Search and Ticket Recommendation Web

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    • Designed an interactive web page for users to search event and purchase tickets utilizing AJAX.
    • Improved personalized business event recommendation based on search history and favorite records.
    • Used MySQL to store user data for consistency and implemented NoSQL database (MongoDB) to migrate event data from Ticketmaster API for better scaling.
    • Deployed to Amazon EC2 to handle 300 queries per second tested by Apache JMeter.

  • Mobile-to-Cloud Currency Converter Web Service

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    •Develop a currency converter RESTful Web Service, to fetch real-time and past exchange rate with a 3rd party API.
    •Built an Android mobile application that communicates with the web service deployed on cloud Heroku.
    •Store the log information in MongoDB and created a web-based dashboard to display logging and operations analytics information.

  • Distributed BlockChain Management Service | Distributed System

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    • Designed and implemented blockchain API, which enables remote clients to record transactions, with Proof-of-Work protocol in J2EE platform in different web service styles (SOAP, RESTful, etc).
    • Secured the transaction process by realizing server authentication via SSL Protocol and by implementing digital signature mechanism through SHA256, TEA and RSA.

  • LBS based Android App for smart driving | Android

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    • Integrated Google Map API to display the nearby hot alerts and navigate to avoid the traffic.
    • Utilized Android Broadcast Intent to handle inter-communication between drivers and passengers.
    • Improved the UI/UX flow with Animation, ToolBar/ActionBar, etc.
    • Handled the speed recognition intent to handle simple voice control.

  • AirBnB New User Bookings (Kaggle Data Mining Project)

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    Built classification model using XgBoost algorithm to predict the preferred holiday destination country of new users based on the data of 210,000 users' behaviors with an accuracy of 86%.

Honors & Awards

  • 2 yr's University Academic Excellence Award (Top 5%)

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  • 3 yr's National Encouragement Scholarship

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Languages

  • Chinese

    Native or bilingual proficiency

  • English

    Professional working proficiency

  • Spanish

    Elementary proficiency

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