Walter's Home

My Name is Walter Zheng(郑达韡), I am a developer.

Recently, I am using NodeJS to build distributed system , and write WepApp using html5 and javascript .

I used to develop server programs under Linux, using python and C/C++.

My Works

lead and develop distributed system (SaaS) running on 100+ servers, which busy serving 24x7.

experience with complex software systems, distributed systems, algorithms, data structures, and performance optimizations. designing and delivering complex software systems.

design and build system to:

1. Find/Extract features to match similar video/audio in a large known database.

2. Find/Extract features to match similar text in a large article list.

3. Collect and analytics server and app performance.

Specialties

Pattern Recognition, distributed system, Data collection and analytics

Tech stack

Javascript - everything using JS

My SideProjects

LearnJS - online Javascript learning

Search - no longer show annoying similar results

SpiderMan - crawling webpage online service

This Site

My Talks

MultiMedia Tracking

Scalable App Server

Sample Project of Node.js

Linux Debug toolkits

My Books

Node: Up and Running: Scalable Server-Side Code with JavaScript- I write the Chinese Translation

My Pinboard Bookmarks

Reach me at

email: zdwalter#gmail.com

sina weibo: http://www.weibo.com/zdwalter

github: https://github.com/zdwalter

: http://zdwalter.li.nked.in