Ka-Hing Cheung                                      (408) 368 0785
khc@hxbc.us                                         1525 Clay Street #8,
http://hxbc.us/                                     San Francisco, CA 94109
                                                    

Summary:

Software engineer experienced in Linux application/system programming,
with interest in Free Software.

Programming Languages: C, C++, Python, Java, Perl, JavaScript
Experience with: libevent, GTK2, Swing, HTML, CSS, DOM


Work/Free Software Experience:
==========================
2006 - present: Riverbed Technology - Member of Technical Staff

     Working in the Central Management Console group which develops a
     central management solution for the Steelhead appliances.

     Designed and developed a configuration system to inter-operate
     with appliances running dozens of different versions.

     Parallelized a computation intensive part of a non-thread-safe
     code base with a process-based design for better performance.

     Analyzed and fixed many performance and interactivity problems to
     make the system more scalable.

     Rewrote many 1.0 era components to handle more complex
     needs. Supervised other new hires.

2002 - present: Pidgin Instant Messenger (formerly called Gaim)

     Developer with commit access. Contributed to many areas including
     UI, subsystem and protocols. Not very active anymore but still
     participating in some discussions and contributing some small
     fixes.

2003 - 2005: Statistical Computing Facility - Computer Assistant

     Responsibilities include routine system backup, develop and
     maintain a web-based grading database (JSP/Servlet), other
     programming tasks (perl, shell scripts), and provide general
     support to faculties and students


Education:
==========
2002 - 2005: University of California, Berkeley

     Major: Computer Science at College of Letters and Science

1998 - 2002: Milpitas High School


Course works:
=============

Operating System: Implemented thread scheduler, TCP-like protocol,
          system calls, virtual memory within the nachos framework
          (Java)

Database: Worked on buffer manager, query processing with
          PostgreSQL. Implemented SQL web-frontend using PHP. (Mostly
          C)

Networking: Implemented a P2P file transfer system with searching (C)

Compiler: Worked on a x86 compiler for a Java-like language (Java)

Distributed Networking: Implemented RMI through XML-RPC, distributed
                        locking protocol, distributed auction system
                        (Java)

Computer Security: Designed and implemented a secure instant messaging
                   protocol (Java)

Theory classes: Efficient algorithm and Intractable Problems
                (Introduction to CS theory) Combinatorics and Discrete
                Probability