Wei Feng

Wei Feng

Seattle, Washington, United States
3K followers 500+ connections

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Carnegie Mellon University

Über uns

I am seeking a full-time job as a software engineer.

My undergraduate major is…

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    Mountain View, California, United States

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    Seattle, Washington, United States

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    Greater New York City Area

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    San Francisco Bay Area

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    China

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    Guangzhou, Guangdong, China

Bildung

  • Carnegie Mellon University

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  • -

Publications

  • Design of WeChat Public Platform Based on Web2.0

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Courses

  • Cloud Computing

    15619

  • Data Structure and Algorithm

    95771

  • Data Structures for Application Programmers

    08722

  • Distributed System

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  • Introduction to Computer Architecture

    18640

  • Introduction to Computer Systems

    15213

  • Java for Application Programmers

    08671

  • Operating System

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  • Software Test

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  • Speech Recognition System

    18-799

  • Web Application

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Projects

  • High Performance Twitter Analytics Web Service (Java, AWS, Azure, Python, Shell)

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    Designed the system from front-end to back-end on Amazon AWS and Undertow
    Applied multi-thread programming and consistency algorithm in MySQL and HBase
    Created a high throughput (25 kr/s) web service in Twitter data (1T) to handle complex queries

  • MongoDB of Distributed System

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    • Developed software based on Internet of Things Cloud Platform
    • Applied the Two Phase Algorithm to ensure the consistency of MongoDB in Distribute System
    • Build the data model with spring framework and MongoDB database in Java

  • Chinese Learning System with Reinforcement Learning (Python)

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    Extracted the useful information from 18G data, and built the basic Reinforcement Learning Model
    Created a Chinese Recommendation System with fitted Q iterator algorithm and neural network
    Implemented a Chinese Learning Website with the model, improve the accuracy from 60% to 80%

  • Parallel Code Optimization on Multicore, Manycore and Cluster (C, C++, Java)

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    Speeded up matrix multiplication and k-means algorithm with SSE, OpenMP, CUDA
    Accelerated n-gram (30% performance improvement) and PCA (50% performance improvement)
    algorithm with MapReduce in AWS EMR hadoop platform.

  • Speech Recognition System for Continuous Digits (C++)

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    Built a GMM-HMM based system to recognize continuous spoken digits
    Used C++ to extract the information from speech with dynamic programming to train the HMM Model.
    Achieved 80 % recognition accuracy when applied it on Aurora2

  • Mobile online ordering system with WeChat API

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    Built the Mobile Online Ordering System with Java, Http protocol , HTML5, WeChat API.
    Achieved business settled, the user ordering, online payment, membership cards, lottery, small ticket printing and other functions.

  • weiletong Website

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    Built the web site from front-end to back-end with ThinkPHP, JQuery, MySql, Nginx Web Server.
    Implemented RPAC right management system.

    See project

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