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John Callaghan
2025 North Ave., Napa, CA 94558 · (707) 337  -7688 · enquiries@  johncallaghan.biz
CHIEF SOFTWARE ARCHITECT
Deeply qualified and technically sophisticated professional capable of converting market requirements into creative solutions. Committed to producing streamlined, object-oriented, customer-centric software.
Maximize Return on Technology Investment • Strengthen Customer Relationships
Increase Systems Reliability & Availability • Accelerate Delivery of World-Class Software
  • Architected and developed new Automated Optical Inspection system capable of visual defect recognition for the medical device industry, driving a 100% increase in company revenues. Listened closely to key customers and translated market requirements into highly successful product.
  • Refactored sprawling, complex C++ application to analyze very large images (16Gb+ bitmaps) with an order of magnitude increase in speed and stability.
  • Implemented agile and efficient development process that included high powered source code control linked with comprehensive issue tracking.
  • Inspired team members to think in new directions and achieve peak performance. Supported and positioned engineers in their effort to offer viable, creative solutions in highly competitive market.
Experience Summary
  • Image Processing
  • Algorithm Development
  • Motion Control
  • User Interface Design
  • Device Drivers
  • Embedded Programming
  • Parallel Processing
  • Computer-Telephony
  • Communication Protocols
  • Web Design & Development
  • Internet Technologies
  • Systems Level Engineering
Executed high-level international projects in India, United Kingdom, and New Zealand while offering invaluable customer support in Ireland, Germany, Japan, and Malaysia.
Professional Highlights
Visicon Inspection Technologies (2003 - 2009)
Napa, CA
$6 million company that develops high-end optical inspection equipment for medical device manufacturing, producing high-end machines ($40,000 - $250,000 each) targeted to niche markets.
CHIEF SOFTWARE ARCHITECT
(Mar 2008 - Mar 2009)
/
SOFTWARE MANAGER
(Jan 2006 - Mar 2008)

SENIOR SOFTWARE ENGINEER
(Nov 2003 - Dec 2005)
/
CONSULTANT
(May 2003 - Nov 2003)

Promoted through series of progressive positions. Initially hired as consultant to adapt Visicon's existing software to the latest motion control technology. Upon successful completion, placed on full-time assignments.

Intel (1999 - 2002)
Santa Clara, CA
$40 billion international chips and communication devices company.
SENIOR SOFTWARE ENGINEER

Recruited due to knowledge of key technologies and ability to work with multiple developers. Integrated hardware device drivers and libraries developed in the U.S. with an open standard multi-vendor library developed in New Zealand.

Earlier Career Experience:

Dialogic Corporation ~ Parsippany, NJ ~ 1992 - 1999
GROUP LEADER
(1995 - 1999)
/
PROJECT LEADER
(1994 - 1995)
/
SENIOR SOFTWARE ENGINEER
(1992 - 1994)
RFL Electronics ~ Boonton, NJ ~ 1987 - 1992
SOFTWARE ENGINEER
Education ~ Technical Qualifications
Education
Pursued Master's degree (M.S.) in Computer Science at:
Columbia University-New York, NY & North Carolina State University-Raleigh, NC
B.S., Elec. Eng. & Computer Science, Stevens Institute of Technology-Hoboken, NJ
Graduated Summa Cum Laude
Technical Knowledge
  • Operating Systems: Windows, Linux, VxWorks, pSOS, OS/2, Netware
  • Languages: C++, C#, VB.Net, Ruby, Java, JavaScript, Perl, PHP, FORTRAN, 80x86 Assembler
  • Databases: SQL-Server, MS-Access, MySQL, Informix, Oracle
  • Hardware Integration: Motion Controllers, Frame Grabbers, Cameras, Telephony Boards
  • Tools: VisualStudio, AccuRev, Jira, Ruby-on-Rails, COM, XML, OpenMP, JQuery, ASP, SOAP
Recommendations
Recommendations available on LinkedIn Profile