Chris Sorensen

**** ******* ****** *****

Minneapolis, MN 55410

Home: 612-***-****

Cell: 612-***-****

Summary

Creative developer seeks software design and/or programming position.

Known for keen observation skills and analysis, with 15+ years experience

writing web, database, network, and embedded applications using C, SQL,

HTML, JavaScript, CSS, DOM, AJAX, Unix shell, and Python. Extensive

experience setting up, using, and maintaining Informix and Ingres

databases, familiar with SQL Server, Postgresql, and MySQL. Sun Certified

Programmer for Java 6 (SCJP 1.6), also skilled using web application

frameworks, Zope, PHP, C++, XML, SSL and SSH, Apache, Netbeans, Windows,

Mac, Linux, and AIX systems, and the Amazon Elastic Compute Cloud.

Professional Experience

AcuStaf Software Development Corporation, Bloomington, MN 1997-

2009

Senior Programmer

. Developed UNIX/Linux based time and attendance, and staff scheduling

software primary used in Health Care, but also in Super Market chains and

manufacturing to better manage their employee hours. Worked with

customers to tailor product to their needs, including designing and

implementing systems to calculate overtime and allowances, and to accrue

benefits.

. Developed web front ends to AcuStaf's scheduling products. Used AJAX

and DOM methods to allow Schedulers to view and edit schedule details by

clicking cells without reloading the page. Produced a unified look

across the application using CSS style sheets.

. Developed backend systems to generate HTML using Zope, Python and PHP

similar dynamic mark up. Wrote XML feeds for dynamic double combo

selection elements on forms. Wrote front end JavaScript code to navigate

the resulting XML documents and to present the results. Also web enabled

existing C applications.

. Developed modular interfaces for exporting timecard files to payroll

systems such as ADP, Oracle Corporation's J.D. Edwards software, and

Kronos.

. Created interfaces for importing data from Human Resource systems into

AcuStaf.

. Programmed C client/server applications for communicating via UDP or TCP

with clock terminals on the network enabling real time processing of

punches and display of messages.

. Eliminated the cost of a third party license by migrating AcuStaf's

applications from IBM's Informix database to the open source Ingres

database. Rewrote the stored procedures and wrote shell scripts to

convert embedded SQL queries. Set up accounting and content management

systems using Postgresql and MySQL databases.

Chris Sorensen Page 2

. Lowered upfront cost and maintenance cost to customers by running the

product on Amazon Elastic Compute Cloud (EC2) instances, allowing use of

a software as a service model, thus enhancing the product's sales

potential.

. Set up Apache on Linux and AIX systems with SSL and signed certificates.

Premis Corporation, Plymouth, MN 1996

C/C++ Programmer

. Maintained and enhanced systems designed to assist in management of

retail transactions, store and warehouse inventory, EDI communications,

and to perform sales and business activity analysis.

. Used Visual Studio and C++ to write an interface to allow data to be

pulled on to Windows machines from UNIX servers.

. Maintained code for hand held bar code scanners and EPROM devices.

Bell Atlantic Business Systems Services, Bloomington, MN 1995-1996

PC/Software Help Desk Technician

. Provided telephone support for DOS, Windows, MS Office, and

communications software.

Additional Positions

University of Maryland and Big Bend Community College 1993-1994

Teaching Contractor

Taught Essential Mathematics and College Algebra to army continuing

education and adult mathematics students.

Freie Universitaet Berlin 1990-1992

Teaching Assistant

Taught linear Algebra I and II, Computer Architecture, and Numerical

Analysis.

US Army 1983-1986

Specialist

Infantry radio operator, mail clerk, held Top Secret security clearance.

Formal Education

Master in Mathematics, Freie Universitaet Berlin, Germany, 1993

B.A. in Economics and Business, Macalester College, St. Paul, MN, 1982

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