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Lee Davidson is listed as Senior Software Engineer at PayPal at Lumina Decision Systems, a company with 10 employees, based in San Jose, California, United States. AeroLeads shows a matched LinkedIn profile for Lee Davidson.
Lee Davidson previously worked as Senior Software Engineer at PayPal at Paypal and Contract Programmer at Lumina Decision Systems. Lee Davidson holds Ph.D, Philosophy, Mathematics, Physics from Yale University.
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Software developer with 15+ years experienceRequirements specification and analysis Design/Implementation/Testing/Maintenance/TroubleshootingAlgorithm development (mathematical/optimization/general)/Code optimization for performanceFast turn-around with fixes and enhancements seamlessly consistent with program designSpecialties: appc, assembly language, basic, c, c + +, decision support, ethernet, ibm 370, ibm mainframe, ibm mvs, ibm vm, java,
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San Jose, California
I work in the Core Payments group at PayPal. We are at the center of payments transaction processing. My role involves C++ programming of new features, enhancements, and bug fixing. In this process I use various source control tools, testing tools, defect tracking tools, and so on.
I worked on three projects:(1) Added kernel density estimation algorithms to Lumina's Analytica product's probability density function calculations.(2) Did QA work on Lumina's web interface to Analytica.(3) Built a website for one of Lumina's customers using C#, ASP.NET, and Microsoft Web Development.
Spearheaded new development, enhancement, and maintenance efforts on Metaphor software acquired by Meta5, Inc. from IBM (and renamed "Meta5"). Also developed relationships with customers in order to collect requirements for enhancements, performance improvements, and problem fixes and did appropriate implementation. Served as troubleshooter-at-large over.
Delivered fixes and enhancements spanning the entire Metaphor code base, acquired by IBM from Metaphor Computer Systems. Analyzed code written by others in order to diagnose problems and originate design improvements consistent with overall code design. Established relationships with customers (including on-site visits) in order to understand customer.
Served initially as a member of a small group developing software connecting IBM mainframes with Metaphor servers over a new work. Expanded scope of development activity to cover other areas of Metaphor software. Served as general troubleshooter with regard to various problems.(Metaphor Computer Systems, continued)Key achievements:Designed and implemented.
Served as member of group dedicated to defining a new file system architecture for IBM MVS systems. Worked on requirement specification, high-level design specification, feasibility studies of new high-level design languages, simulation of file allocation strategies to study performance impact, functional specification and code review. Had responsibility.
Served as member of small decision support team. Projects included updating production jobs analyzing use of labor on the factory floor, simulation of helicopter operation servicing North Sea oil rigs providing cost analysis for use by marketing, writing sorting and other utilities in BASIC and 8086 Assembler for use on the (then) new IBM PC.
Other employees you can reach at lumina.com. View company contacts for 10 employees →
Laura De Lira
Colleague at Lumina Decision Systems
Arnhem-Nijmegen Region, Netherlands
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Nicu_Calinoiu Calinoiu
Colleague at Lumina Decision Systems
Romania, Romania
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Ben Filstrup
Colleague at Lumina Decision Systems
San Jose, California, United States, United States
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Lee Davidson
Colleague at Lumina Decision Systems
San Jose, California, United States, United States
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Amber Hitson
Colleague at Lumina Decision Systems
Prescott, Arizona, United States, United States
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Department of Philosophy Academic areas (besides philosophy): in mathematics, mathematical logic, set theory, model theory, real analysis.
Academic areas (besides philosophy): in mathematics, analysis, differential equations, topology, real analysis and measure theory, and,
Quick answers generated from the profile data available on this page.
Lee Davidson works for Lumina Decision Systems.
Lee Davidson is listed as Senior Software Engineer at PayPal at Lumina Decision Systems.
Lee Davidson is based in San Jose, California, United States while working with Lumina Decision Systems.
Lee Davidson has worked for Paypal, Lumina Decision Systems, Meta5, Inc, Ibm Santa Teresa Lab, and Metaphor Computer Systems.
Lee Davidson's colleagues at Lumina Decision Systems include Laura De Lira, Nicu_Calinoiu Calinoiu, Ben Filstrup, Lee Davidson, and Amber Hitson.
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Lee Davidson holds Ph.D, Philosophy, Mathematics, Physics from Yale University.
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