Senior Engineer: Building applications for optimizing localized retail shopping for consumers who research and shop online but prefer to buy offline. Currently the lead engineer on an SMS/text messaging service allowing mobile phone users to utilize the company's search engine to find products, sales, coupons, brands, etc., at shopping malls and have results delivered directly to their cell phones. Also developed an in-house application to manage product reservations and availability checks for customers. Work performed on CentOS Linux and Win32 systems using various technologies such as Python, HTTP (ligHTTPD), CGI (FastCGI, WSGI), JavaScript, CherryPy, Cheetah, HTML and XML (using ElementTree), interfacing to the mBlox (mobile transaction network) platform.
Principal: Founder of technical consulting agency specializing in Python software engineering, design and architecture, optimization and refactoring; technical corporate training, public instruction; and technical writing / editing. Various work performed using MacOS X, FreeBSD, Solaris, Ubuntu Linux, and Win32 systems using Python, C, CGI / HTML / CSS, JavaScript, TCP/IP, MySQL, PostgreSQL, and Unix shell scripts. Office tools used include Excel, Framemaker, PowerPoint, and Markdown.
Software Engineer: Designed and architected computer applications for a series of electronic mail security gateway appliances used for high-performance message delivery and spam and virus filtering services. Development performed using (both native and coroutine-based stackless versions of) Python in FreeBSD Unix, MacOS X, and Win32 operating environments with the MySQL and PostgreSQL database systems. Specific products worked on include: Virus Outbreak Filters® (temporarily quarantine suspicious messages during the vulnerable period between time zero -- when a virus is released into the wild -- and when an antivirus IDE signature is made available to the public), Mail Flow Central® (message tracking, appliance data import and analysis, report generation, etc.), Spam Quarantine (message view and search), and Threat Operations Center application code which helps operations analysts monitor for worldwide viral outbreaks.
Senior Software Developer: Lead software engineer for clinical trials medical imaging application which allows radiologists and trained technicians to perform vertebral identification in a digital domain, quantitative morphometry (QM) reading, and both semi-quantitative (SQ) and binary semi-quantitative (BSQ) scoring of spine radiographs (X-rays) for vertebral fracture analysis and assessment. Enhancing and developing software in a Unix/Solaris environment using Python, Tk (Tkinter and Pmw), and C, and database queries and stored procedures using Sybase Transact SQL.
Technical Yahoo!: Lead software engineer managing one junior engineer for Yahoo! People Search, an online email, telephone, and netphone database directory (replacing the original Four11.com site) -- proprietary database with SQL-like access. Developed the code which interfaces Four11 native code with Yahoo!'s enormous data streaming libraries, allowing People Search to "tap into" the data flow. Also created an API to People Search for other Yahoo! products (properties) and customized the People Search web system to work directly with corresponding wireless application on the Palm VII PDA. Responsibilities for People Search included full-time development, sustaining engineering, internationalization, automating nightly updates, 24x7 support, and interfacing to other Yahoo! products such as Yahoo!Mail, Address Book, and the main Yahoo! user database. Other projects included the graphical and engineering redesign of the RocketMail/Yahoo!Mail Address Book and Spell Checker. Job functions in a FreeBSD and Solaris environment: Internet software development (Python, C, C++), Apache webserver maintenance, maintenance and utility scripting tools (bash, tcsh, Python), and web page design (Python, HTML, and JavaScript).
Software Engineer: Web site design and software development using an internal core web technology which was a Python and HTML based proprietary predecessor to Zope, JSP, ASP, PHP, etc. Also used C++ and JavaScript. Projects included: front-end processing and graphical web page design of Four11 Contact Groups, an e-mail address (buddy list) management system for membership-based organizations (predecessor to Yahoo! Clubs); text processing for the RocketMail and Yahoo!Mail web-based electronic mail systems; and porting software across Solaris and FreeBSD UNIX platforms. Also managed web servers, manage file backup and recovery system under Samba using Amanda, and helped administer Solaris, FreeBSD, and Windows desktop systems.
Member of Technical Staff: Developed name service network system software in SunSoft. Projects included: improving password coordination between NIS/YP and NIS+ name servers, managing the product source gate/tree, automating nightly builds, testing and integrating bug fixes and enhancements, and experimenting with GUI front-ends to products using Tcl/Tk. Also served as a WebMaster by maintaining our group's web resources: product, FAQ, project, and home pages. This includes all web page design, web server maintenance, HTML programming, and PERL CGI applications. Other responsibilities included helping system administration teams with giving training seminars for our products, providing on-call engineering support, and aiding in transition (NIS/YP to NIS+) projects. Occasional tasks included aiding in the budget forecast, requisition, and justification of capital equipment, participating in college recruiting and collegiate relations programs/events, helping out with technical documentation, and performing customer visits.
Information Technology Specialist (SEED): Assisted in porting an open object-oriented database client system written for UNIX systems to PCs under DOS/Windows. Converted suite programs and interactive object structured query language (IOSQL) scripts that test database interface functionality.
Contractor: Tested ROM TCP and Data Link level drivers for various VMEbus Ethernet interface boards. Tests and measurements are performed on various configurations using TCP/UDP/IP, FTP, RPC, etc. Also contributed in the testing of diagnostic utilities, installation procedures, and user manual editing.
Member of Technical Staff: Served as a software and release engineer for NetWorker, a disk file backup and recover system for UNIX/NetWare heterogeneous environments. Responsibilities included: source tree management, master tape cutting, product serialization, system administration, and giving UNIX training seminars.
Software Engineer: Software product development using C with internal software tools and libraries. Projects/responsibilities included: software security with network licensing and hardware protection, graphical interactive X and Microsoft Windows applications using internal development tools, instructing internal training courses, technical documentation, text file encryption, and maintenance of multiplatform software development framework.
Principal: Founder of technical consulting agency performing private technical corporate training as well as public instruction. Current courses include an intensive "Introduction to Python" and "Advanced Python Programming". Previous courses: "C Language Programming" and "Introduction to Unix".
Course Instructor: Designing and teaching engineering courses for working professionals, primarily Python Programming and Python Programming II. Other courses include: Introduction to UNIX and C Language Programming. Practicing and developing interpersonal skills and strategies while working with a variety of students of differing aptitudes and backgrounds.
Textbook Reviewer: Performing occasional reviews of Computer Science and Engineering manuscripts and prepublished texts from Benjamin/Cummings and Addison-Wesley for technical content and accuracy.
Reader and Teaching Assistant: Graded homework assignments and exams, and led discussion sections for Computer Architecture and Introduction to C and UNIX courses.
Course Instructor: Taught C Programming hands-on laboratory course to working professionals.
Summer Instructor: Each year, taught summer courses in the College For Kids program at a nearby junior college. Classes included: SAT Prep, Algebra, Geometry, and Introductory BASIC Programming.
Mathematics Tutor: Taught math and problem solving skills to undergraduates in Calculus and Analytic Geometry. Obtained hands-on experience along with video tape training and psychological counseling through concurrent course in undergraduate math instruction.
Student Instructor: Assisted adult instructor in teaching computer programming skills in BASIC to elementary school students in an afterschool program. Monitored students' programs, problems, and progress. Provided individual and special attention for the enthusiastic. Also aided the instructor in teaching an evening course designed for the students' parents, teachers, and other adults in the community.
Master of Science, Computer Science (emphasis: Distributed Systems)
Artium Baccalaureus, Applied Mathematics (emphasis: Computer Science)
Certificate of Minor Program, Music (emphasis: Classical Piano)
| • Introduction to Python (3-day course) | CyberWeb
Consulting Monday-Wednesday, May 5-7, 2008 San Francisco (San Bruno), CA |
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and Programming Microsoft Office using Python (session) | PyCon 2008 Thursday-Sunday, March 13-16, 2008 Chicago, IL (bio) |
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| • Programming Microsoft Office using Python (session) | 2007
Silicon Valley CodeCamp Sunday, October 28, 2007, 1:15 PM Room 4204, Foothill College Los Altos Hills, CA (bio) |
| • What is Python? (session) | 2007
Silicon Valley CodeCamp Saturday, October 27, 2007, 11:15 AM Room 5501, Foothill College Los Altos Hills, CA (bio) |
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| • Internet Programming with Python (1-day seminar) | CyberWeb
Consulting Saturday, Oct 13, 2007 San Francisco (San Bruno), CA |
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| • Introduction to Python (3-day course) | CyberWeb
Consulting Monday-Wednesday, Oct 8-10, 2007 San Francisco (San Bruno), CA |
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| • Experiences Developing Software for Clinical Trials and the Medical Industry | 2007
O'Reilly Open Source Convention/ 15th International Python Conference Friday, July 27, 2007 Portland, OR (bio) |
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| CyberWeb
Consulting Wednesday-Friday, May 16-18, 2007 9 AM - 5 PM, San Francisco (San Bruno), CA |
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| CyberWeb
Consulting Monday-Wednesday, May 14-16, 2007 9 AM - 5 PM, San Francisco (San Bruno), CA |
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| Foothill
College Tuesdays, April 10 - June 26, 2007 (Spring Quarter) Room 4203, 6:00 - 9:40 PM, Los Altos Hills, CA |
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| CyberWeb
Consulting Wednesday-Friday, February 7-9, 2007 9 AM - 5 PM, San Francisco (San Bruno), CA |
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| 2006
Silicon Valley CodeCamp Sunday, October 8, 2006 Foothill College, Los Altos Hills, CA (bio) |
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| 2006
O'Reilly Open Source Convention/ 14th International Python Conference Wednesday, July 26, 2006, 8:30 - 9:30pm D136 Oregon Convention Center, Portland, OR (bio) |
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and Vertebral Fracture Analysis (session) | PyCon 2006 Thursday-Friday, February 23-24, 2006 Dallas (Addison), TX |
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| PERNET
- Graduate Seminar Series Wednesday, October 12, 2005, 5:30 PM, Thornton Hall 133, San Francisco State University, CA |
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| 2003
O'Reilly Open Source Convention/ 11th International Python Conference Monday, July 7, 2003, 6pm - 7pm Columbia room Portland Marriott Downtown, Portland, OR (bio) |
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| 2003
O'Reilly Open Source Convention/ 11th International Python Conference Monday, July 7, 2003, 8:45pm - 12:15pm Salon C Portland Marriott Downtown, Portland, OR (bio) |
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and Python in Medicine (session) | PyCon DC 2003 Conference Wednesday, March 26, 2003, Washington, DC |
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| UC Santa Cruz
Extension Monday evenings, 6:30 - 9:30 PM January 6 - March 10, 2003 (except January 20 and February 17) Moffett Business Park, Sunnyvale, CA |
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| 2002
O'Reilly Open Source Convention Tuesday, July 23, 2002, 6pm - 7pm Harbor Island I (East Tower) Sheraton San Diego Hotel and Marina, San Diego, CA (bio) |
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| 2002
O'Reilly Open Source Convention Tuesday, July 23, 2002, 1:45pm - 5:15pm Marina III (East Tower) Sheraton San Diego Hotel and Marina, San Diego, CA (bio) |
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and Introduction to Python (tutorials) | 15th Systems
Administration Conference (LISA 2001) Tuesday, December 4, 2001, 1:30 PM and 9 AM Hampton Room Town and Country Resort Hotel, San Diego, CA |
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| 5th Annual
Linux Showcase and Conference Wednesday, November 7, 2001, 6 PM Marriott City Center, Oakland, CA |
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| 2001
O'Reilly Open Source Convention Tuesday, July 24, 2001, 1:45 PM, Point Loma A conference room (West Tower), Sheraton Hotel and Marina, San Diego, CA (bio) |
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Focused Introductions (tutorial) | 9th
International Python Conference (Python9) Monday, March 5, 2001, 1 PM, Long Beach Hilton Hotel, Los Angeles, CA |
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| Purdue
Linux Users Group (PLUG) Monday, August 14, 2000, 7 PM, Physics 112, Purdue University, Lafayette, IN |
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2000 O'Reilly
Open Source Convention Wednesday, July 19, 2000, 8 PM, Monterey, CA (bio) |
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| (Silicon Valley
Chapter of) The Association of C and C++ Users Tuesday, June 13, 2000, 7 PM, San Jose, CA |
Chun, Wesley J.,
Core
Python Programming, 2nd ed.,
Prentice Hall PTR: Core series,
Upper Saddle River, New Jersey, USA, © 2007 (Sep 2006).
ISBN 0-13-226993-7.
QA76.73.P98 C48 2006.
Reviews:
[Linux (Pro) Magazine [PDF] (Jan 2007)] --
[Barnes and Noble (Dec 2006)] --
[Free Software Magazine (Nov 2006)] --
[Python 411 [MP3 audio podcast] (Nov 2006)] --
[SlashDot (Nov 2006)] --
[Amazon and other Internet reviews]
Links:
Electronic
version (English) (O'Reilly & Associates [Safari], October 2006)
Chun, Wesley J., "Keeping Up with Python: the 2.2 Release". Linux Journal, Issue 99, pp. 84-91, July 2002. ISSN 1075-3583.
Chun, Wesley J., "Python 2.2 Q&A with Guido van Rossum, Creator of Python". Linux Journal, Issue 98, pp. 84-85, June 2002. ISSN 1075-3583.
Chun, Wesley J.,
Core Python Programming.
Prentice Hall PTR: Core series,
Upper Saddle River, New Jersey, USA, © 2001 (Dec 2000).
ISBN 0-13-026036-3.
QA76.73.P98 C48 2000.
Reviews:
[IBM DeveloperWorks (May 2002)] --
[Linux Journal (May 2001)] --
[Association of C & C++ Users (April 2001)] --
Links:
[Amazon] --
[BarnesAndNoble] --
[Amazon UK] --
[Amazon DE] --
Chinese
edition (HZ Books/China Machine Press, Beijing, China; August 2001,
532 pp., ISBN: 7-111-08983-9) --
Electronic
version (English) (O'Reilly & Associates [Safari], October 2001) --
Indian edition (English) (Addison Wesley Longman; Winter 2002, ISBN: 817808273X) --
Korean edition (Pearson Education Korea; May 2002, ISBN: 89-450-7052-4) --
Electronic
version (Chinese) (China e Book, August 29, 2004)
Chun, W. J., L. E. Moser, P. M. Melliar-Smith, and D.A. Agarwal, "Distributed Simulation for a Communication Protocol Development Environment." In the Journal of High Performance Computing, Vol. 4, No. 1, pp. 3-12, Supercomputing and Visualization Unit, National University of Singapore, Kent Ridge Crescent, Singapore, December 1997. ISSN 0218-6802.
Chun, W. J., L. E. Moser, P. M. Melliar-Smith, and D.A. Agarwal, "Applying Distributed Simulation to a Communication Protocol Development Environment." In the Proceedings of the 29th Hawaii International Conference on System Sciences, Vol. 1, pp. 320-329, Maui, Hawaii, January 1996, IEEE Computer Society Press, Los Alamitos, CA. ISBN 0-8186-7324-9. (Nominated for BEST PAPER award)
Chun, W. J., "Virtual Gateways: Performing Distributed Simulations in the Totem Protocol Development Environment." Master's Thesis, University of California, Santa Barbara, September 1994. QA76.27.C2 S25 CHUW 1994. Also available as Technical Report #94-23, Department of Electrical and Computer Engineering, University of California, Santa Barbara, September 1994.
• Gadfly dbapi20.py (patch 1468968)
• Python bltinmodule.c (patch 1460496)
• pyPgSQL PgSQLTestCases.py (patch 942643)
• Python CGIHTTPServer.py v1.21 (patch 511380)
• GNU a2ps HTML style sheet v1.1
• http://linkedin.com/pub/1/4a3/2b (non-member)
• https://www.linkedin.com/e/fps/4193891 (member)