Weizi Wang

San Francisco Bay Area Contact Info
1K followers 500+ connections

Join to view profile

Activity

Join now to see all activity

Experience & Education

  • Google

View Weizi’s full experience

See their title, tenure and more.

or

By clicking Continue to join or sign in, you agree to LinkedIn’s User Agreement, Privacy Policy, and Cookie Policy.

Courses

  • Advanced Cloud Computing (PhD-level)

    15719/18747

  • Computer Networks

    -

  • Data Structure and Algorithm

    -

  • Database Systems

    -

  • Distributed Systems (PhD-level)

    14736

  • Introduction to Computer Systems

    15513

  • Introduction to Machine Learning

    10601

  • Java Programming

    -

  • Operating Systems

    -

  • Pattern Recognition and Statistical Learning Models and Methods

    -

  • Practice of Programming in C&C++

    -

  • Search Engines

    11642

  • Web Software Technology

    -

Projects

  • Data Engineering on the Cloud

    - Developed a distributed ETL program on Spark in AWS to preprocess large-scale data from Common Crawl
    - Optimized the Stochastic Gradient Descent algorithm for distributed Logistic Regression by building inverted lists to exploit the sparsity of training data, supporting scalable training on a dataset with 1 billion parameters

  • A Text-Based Large Scale Search Engine

    -

    - Designed and implemented a search engine based on Lucene with various information retrieval algorithms using Java, supporting efficient search on a corpus of half a million documents from Gov2 dataset
    - Implemented retrieval algorithms including Structured Boolean Retrieval model, BM25, Query Likelihood Model with two-stage smoothing and learning to rank
    - Implemented various accuracy-improvement mechanisms including query expansion, relevance feedback and diversity

  • The Official Android App of PKU BBS

    -

    - Designed the architecture of the Android App and managed the development of the team with 3 members
    - Implemented the key parts of the App including reusable customized UI widgets and user interface effects, rich text editor, instant messaging, multi-layer cache, data persistence layer and key user interfaces

  • An Online Platform for Activity Invitation

    -

    - Led the team of 6 for development, surveyed, analyzed and made decisions of the whole technology stack; utilized Github to manage code version control, knowledge and documents sharing, progress tracing and issues tracing
    - Developed the Android client App for the project including features like instant messaging and multi-layer cache
    - Co-developed the server end using Nginx, HTTPS, uWSGI, Django, RESTful API, MySQL and Redis
    - Perused the code in C++ of an open-source instant…

    - Led the team of 6 for development, surveyed, analyzed and made decisions of the whole technology stack; utilized Github to manage code version control, knowledge and documents sharing, progress tracing and issues tracing
    - Developed the Android client App for the project including features like instant messaging and multi-layer cache
    - Co-developed the server end using Nginx, HTTPS, uWSGI, Django, RESTful API, MySQL and Redis
    - Perused the code in C++ of an open-source instant messaging server based on Libevent, modified its code to add features like storage persistence, integrated it into the project to support instant messaging with high concurrency

Honors & Awards

  • Oustanding Graduate in Peking University

    Peking University

  • Stars of Tomorrow Award in Microsoft Research Asia

    Microsoft Research Asia

  • May 4th Scholarship in Peking University

    Peking University

  • Merit Student in Peking University

    Peking University

  • Lee Wai Wing Scholarship in Peking University (Top 10%)

    Peking University

  • Leo KoGuan Scholarship in Peking University (Top 1%)

    Peking University

Test Scores

  • GRE

    Score: 162V+170Q

    Verbal: 162 (90%)
    Quantitative: 170 (97%)

  • TOEFL

    Score: 103

More activity by Weizi

View Weizi’s full profile

  • See who you know in common
  • Get introduced
  • Contact Weizi directly
Join to view full profile

Other similar profiles

Explore collaborative articles

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

Explore More

Others named Weizi Wang

29 others named Weizi Wang are on LinkedIn

See others named Weizi Wang

Add new skills with these courses

See all courses