Chris D'Urso

chris@durso.org
http://www.durso.org/

Objective: Lead Software Engineer or Architect

Summary of Qualifications

Decades designing and developing software, including tools and servers for scientific, business, web services, and consumer applications on Linux, Windows, and Macintosh platforms
Valuable organizational and interpersonal skills necessary for strategic teamwork and consumer interaction
Creative approaches and innovative methodologies from design through implementation of systems
Practical, yet visionary, attending to details while realizing the goal of successful completion
Broad background in computer science, physical sciences, mathematics, and engineering for disparate clients

Key Accomplishments

Advanced wikipedia-based vertical search service to world class world-wide-web search engine with novel index
Maintained and advanced web log data mining system capable of complex real-time traffic queries on data sets as large as 80 million unique users traversing 650 million URLs. Designed and implemented general purpose data mine system with pre-aggregative approach applied to schema derived (hence flexible) relational models (utilizing pre Y2K hardware)
Maintained and advanced program trading systems central to the most active institutional trading desks. One system managed a desk on the NYSE executing up to 20% of the exchanges total daily volume
Successfully adapted legacy chemical instrument analysis package for rapid product enhancement, saving market share and brand presence at customers' laboratories. This success, completed prior to the final (OEM) hardware selection, permitting ample time for further software enhancement prior to product release
Advanced state of the art in CAPTCHA visual challenge with contextual innovation

Skills

Modeling, analytics, machine/experiment simulation and control, adaptive/automated programming, symbolic/linear mathematics, data visualization, statistics, multi-threaded programming, distributed processing, advanced algorithms, real-time and embedded systems
Windows95/NT/2000, Unix BSD/Linux/Solaris, MacOS, VxWorks, MFC, Visual Studio, PowerPlant, Forte, Workshop, MPW, MetroWerks Code Warrior, Purify/Quantify/Rose, MacsBug, gcc, dbx, Oracle, Informatica
OOD/OOP, UML, STL, boost, C/C++, Java, Pascal, Fortran, assembly
Apache, SQL, mySQL, cgi, php, scripting, HTTP/HTML, XML

Experience

Computer Scientist
2008-present
Searchme, Inc.

Invented and developed novel highly compressed direct access index for terms, concepts, or other document related features
Designed and currently developing compressed key mapping table
Designed incremental and self-optimizing method of quickly updating, adding, and deleting content from fixed indexes on a live search engine
Successively increased document count given fixed resources while expanding document features and improving accuracy

Senior Software Engineer
2006-2008
Searchme, Inc.
C++, XML, Perl in an Apache/Linux environment.

Developed performance optimized indexing for large scale search engine
Designed and developed software to apply category information to index
Supported and re-architected real-time distributed search engine

Consultant Merchant Risk/Fraud Authentication Group
2005-2006
PayPal (an eBay, Inc. Company)
C++, XML and SQL in an Apache/Linux environment

Delivered technology initiative to automate the onboarding of small and medium business via PaymentPro and VirtualTerminal programs.
Managed risk through automated application evaluation, 3^rd party verification, and case management tools
Advanced industry with new CAPTCHA challenge project, resulting in a patent application
Updated OFAC reporting process.
Team BugCzar
Knowledgible in Cgi, server development, XML and scripting/php for simulators and developer/qa test tools

Sole Proprietor
2004-2005
Consulting and Independent Contracting

Developed control and analytical systems for small instrument manufacturers
Automated computer laboratory and integrated software services
Developed drivers and collaborated with major Chromatography Data System vendors

Simulation Engineer (Embedded Software Engineer)
2003-2004
Asyst Technologies, Inc.

Created advanced Materials Handling Systems, using C/C++, VxWorks, WinCE, Win2K, Tornado, MEI, CAN
Developed algorithms using multi-axis motion control mathematics, with communication and safety allowances
Continued and stabilized robotic transport system to win multi-million dollar AMHS contract in 300mm fab at UMCi
Rapidly redeveloped project porting WinCE controller to VxWorks platform

Senior Software Engineer
2000-2001
Futuristics Labs, Inc./TeraLytics
Sunnyvale, California

Created Data Mine Service using C++, STL, Oracle, Informatica, WinNT, Solaris
Maintained and developed a web log query service for clients whose volumes were too expansive for traditional DB and OLAP approaches
Designed and developed the next generation of data mine products for real-time analysis of tera-transaction data stores
Created and implemented algorithms to build fast ordered mappings, hash tables, and hierarchies

Software Engineer
1999-2000
Iris Financial Engineering & Systems, Inc.
San Francisco, California

Developed Program Trading Systems using C++, dbx, Quantify/Purify, Solaris, Linux
Maintained, designed, enhanced and optimized program trading systems, including the most active program trading system on the NYSE
Advanced the Iris Technical Framework, a framework tuned specifically for rapidly creating trading, portfolio, and risk management systems

Software Engineer
1996-1999
Varian Associates, Chromatography Systems Business
Walnut Creek, California

Advanced Liquid Chromatography Applications using C/C++, assembly, MFC, Win32, Windows95/NT4
Generalized liquid chromatography photo-diode array application to suit OEM instrument
Created new look and feel with novel data visualization and animation
Developed frameworks, algorithms, and technical strategies for current and future products

Software Engineer
1995-1996
Scientific Digital Visions, Inc.
San Jose, California

Developed Educational Software containing multimedia simulations of laboratory experiments which would otherwise be too dangerous, expensive, or impractical for the targeted audience
Facilitated company startup by purchasing and administering computer equipment, networks, and communication systems

Software Developer
1994
68K/NPS/ARRISystems
Santa Clara, California

Created Image Processing applications using Pascal, MacOS6
Developed software for the image processing hardware: ImagicianPro (an accelerator for graphics professionals)

Education

Double Bachelor of Science Degrees in Chemistry and Applied and Computational Mathematics, San Jose State University
Professional Course in Quality Rapid Product Development, University of California Berkeley Extension
Professional Course in Java Programming, University of California Berkeley Extension

Patents

2006 Application: Contextual Visual Challenge Image for User Verification
2008 Application: Systems and Processes for Functionally Interpolated Increasing Sequence Encoding
2008 Application in Progress: (Working Title) Process for Random Access Retrieval Over Highly Compressed Index

Other Achievements/Activities

Treasurer of the professional Bay Area Mass Spectroscopy discussion group; Founder and President of the San Jose State Mathematics and Computer Science Club; President of Commemorated chapter of the Students Affiliates of the American Chemical Society; Scholarship recipient at Computers, Freedom and Privacy Conference; Staff Member and Poster Presenter at the First Scientific and Engineering Applications on the Macintosh Conference; Poster Presenter at California State University Computational Chemistry Council Conference; Four season youth sports Coach/Manager

Live with wife and son in Palo Alto, CA