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$70 USD / hour
Flag of UNITED STATES
$70 USD / hour
It's currently 2:35 AM here
Joined November 30, 2012
0 Recommendations

Robert B.

@bobbaldinger

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$70 USD / hour
Flag of UNITED STATES
$70 USD / hour
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Software Developer

Outstanding analytical and debuggin skills. API scripting and back-end Web Development in PHP. Expert level Perl, MySQL (including Database Design) and Pick. Intermediate level Bash, Oracle, and front-end Web Development (Perl and PHP).

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Experience

Oracle Database Consultant (Freelance)

Gutride & Safier, LLP
Feb 2018 - Present
Formulate queries of large Oracle database to extract data for litigation.

Database Designer/Developer (Freelance)

Treadlight Ventures
Designed/implemented MySQL database to store data from outside vendor. Wrote client-side API code to retrieve data via vendor's API, store it in the new database, and (on-demand) integrate selected subsets of the data into existing Production database. Code was written in PHP, in a Linux environment.

Automation Developer/API Developer/Back-end Web Developer (Contract)

AT&T
Jun 2014 - Dec 2017 (3 years, 6 months)
Wrote API code (both client and server side) to import external vendor data, and to provide database access to internal clients. Designed and implemented new databases. Wrote automation to monitor running processes. Used primarily MySQL and Oracle, writing in PHP, Perl and Bash, in Linux and Windows environments.

Education

Ph. D., Mathematics

University of California, Berkeley, United States 1984 - 1994
(10 years)

M.A., Mathematics

University of California, Berkeley, United States 1983 - 1984
(1 year)

B.A., Mathematics

University of California, Berkeley, United States 1965 - 1967
(2 years)

Publications

Undecidability of the Identity Problem for Finite Semigroups

Journal of Symbolic Logic
Research article published 1992, co-authored with Douglas Albert and John Rhodes.

Gaps between connected finite graphs

International Journal of Algebra and Computation
Research article published 1992, co-authored with Jonathan McCammond, which was the starting point for my Ph.D. thesis research.

Gaps in finite directed and finite transitive graphs

International Journal of Algebra and Computation
Research article published 1998, authored jointly with Jonathan McCammond, extending results from my 1994 Ph.D. thesis.

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