David M. LaMacchia


I'm not currently looking for new employment.


June 2013 - Present

Twitter, Inc.

San Francisco, CA

Twitter is a real time, conversational, communication network

Staff Software Engineer


July 2011 - May 2013

Utah Street Labs (copious.com)

San Francisco, CA

A social marketplace that prevented fraudulent transactions (Ruby/Coffeescipt/Javascript/Objective-C;Rails)

Software Engineer


May 2007 - June 2011

Cloudmark Corporation

San Francisco, CA

Cloudmark's anti-spam engine is deployed by ISPs that demand high levels of performance (Perl/C)

Principal Software Engineer


September 2003 - February 2007

Symantec Corporation (formerly Brightmail, Inc.)

San Francisco, CA

Brightmail develops anti-spam software for enterprises (C/C++/Perl; Windows&Unix)

Principal Software Engineer


Sr. Software Engineer


September 1998 - August 2003

Critical Path, Inc.

San Francisco, CA

Hosted email provider. (Perl/C/C++)

Sr. Software Engineer


August 1996 - August 1998

Oracle Corporation.

Redwood Shores, CA

Oracle Mobile Agents (OMA), a wireless middleware product. (C/C++; Windows&Unix)

Member of Technical Staff


January 1994 - August 1997

MIT Media Laboratory

Cambridge, MA

Research Assistant




References available upon request.

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