Development Software

Tom Armistead

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

Garland, Texas 75040

972-***-**** Home 972-***-**** Office

***@**********.*** http://tom.armisteads.com/

Languages C, C++, Java, JavaScript, XML, HTML, Pascal (Borland/ISO),

BASIC, PL/SQL, SQL, VMS/DCL, Korn Shell, Tcl, Perl, Awk, Sed, Lex, Yacc, Assembly

(Z80/80x86/6502/68000).

Databases Oracle, DB2, Sybase, Informix, Postgres (PostgreSQL), mySql, mSql, Ingres,

RAIMA Data Manager (dbVista), RAIMA Object Manager

Operating Systems Linux, Solaris, Unix, Xenix, Sun OS (Berkley), MS-Windows

(3.1,9x,NT,XP), VMS, PC/DOS, CP/M

Environments J2EE API (EJB, JMS, JNDI, JSP, Servlets), SOAP, JBoss, Tomcat, WebLogic,

Jetty,Java SWING, Symantec VisualCafe, Netbeans/Forte4J, OO, Threads, X Windows/Motif/Tk,

MS-Windows SDK, JAM

Networks TCP/IP, Berkeley Sockets, RPC (ONC an DCE),

Client/Server

Hardware x86 (PC's), AT&T, NCR, SUN/SPARC, RS/6000,

PowerPC, DEC/VAX

Miscellaneous WWW (Web/internet, CGI), HL7, SWIFT, CVS, RCS,

PVCS, Linux/Unix System Admin, qmail, Courier IMAP, SystemImager, Linux HA

Work Experience

Feb 06 to Current; Dallas, Texas; Consultant

Working on C/C++ Retail and Gas Point of Sale application and associated systems

infrastructure (architecture, development, deployment, maintenance and production support), using all of the following;

Linux, Unix, Shell, DOS, MS-Windows, XWindows/Motif, Perl, C, C++, Java, Oracle PL/SQL, Pro*C

Ported large client/server Retail and Gas Point of Sale applications written in C/C++, from DOS,

Unix and WindowsNT, to Linux (OpenSUSE / SLES) and created the initial infrastructure for

production deployment.

Architected, developed and delivered Linux middle-ware solution for high availability server pairs,

initial server and client installation and configuration, using modified versions of Linux HA,

SystemImager and PING open source packages. Automated delivery of client images via network boot

(DHCP / tftp).

Worked on Oracle applications for moving/merging large sets of data data between facilities (Java and Perl)

along with other general Linux administration projects.

Oct 99 to Dec 05, eToys Direct/KBToys.com; Denver, Colorado, Consultant

Web server stabilization/performance tuning. Coding, testing and maintenance. Server side java

for high volume database connection pooling, credit card processing, inventory management,

partner integration, ...

Existing architecture review. New architecture review, design and implementation.

Oracle, PL/SQL, XML, Java, EJB, Servlet, JSP, JDBC, JBoss, WebLogic, SOAP, Tomcat, Jetty, ISO 8583,

C, TCL, HTML, scripting. Heavy JDBC, sockets and multi threading in Java. Solaris/Linux system

administration.

July 01 to Jul 03, Vistyx Corp.; Dallas, Texas; Consultant

Development on retail application. My initial/main role was installation and

configuration of Tomcat (JSP and java servlet engine) and JBoss (J2EE application server)

on top of an Oracle database. Also to create initial EJB and JSP/servlet code base. Am

currently providing ongoing support for this environment (on as needed

basis).

Work was done on RedHat Linux, Java, Oracle, Tomcat, Jakarta Cocoon (XSL)

and JBoss.

Jan 99 to Nov 99, Bank of America/Decision Consultants, Inc.; Dallas, Texas

Consultant

Same company, different role. Ongoing complete design and rewrite of existing system

using 100% Java and the Java Enterprise API (EJB, JMS, Servlets, JNDI, JSP, ?). N-Tier

system, using Symantec Visual Caf (Java SWING) applications and applets to create a web

browser based user interface. BEA WebLogic application server to support a middle tier,

using Enterprise Java Beans (EJB) for server side components, Java Messaging Service

(JMS) for asynchronous communication with client applications, Java Servlets for incoming

server connectivity via web browsers (client applications) and Oracle 8 as the underlying

RDBMS.

Heavily involved in company certification of Java Enterprise API as an accepted

programming environment which consisted of end-to-end prototype applications and

extensive performance testing and measurements.

Ongoing, minimal, support role of existing system (C, C++, AIX, X-Windows/Motif).

July 98 to Jan 99, NationsBank/Bank Of America/Decision Consultants, Inc.;

Dallas, Texas Consultant

Design, coding and testing on conversion of software application from 2-tier system using

AIX, C, C++, X/Motif and Sybase to a 3-tier system using Solaris, AIX, Java, CORBA, C,

C++, ONC RPC, Threads and Sybase. Beginning work on Java development using JDBC for

Sybase connectivity and Distinct Java ONC RPC as a pure Java replacement of the current

2nd and 3rd tier portions of the new system (approx. 6 months of development). Beginning

Enterprise Java Bean (EJB) development to be used to replace CORBA tier. I did very

little of the CORBA development, mainly debugging and administration.

Worked on Y2K (2 to 3 months) certification of existing AIX, C, C++ and X/Motif

application (testing, code changes and debugging).

Other work involved Unix system administration under Solaris, installation,

administration and maintenance of CVS (source code and object revision control), Apache

web server and various other compiler and debugging tools (i.e. GNU C,C++, ?), creation

of web based tools for system monitoring (HTML and CGI).

February 98 to July 98, Healthdyne Information Enterprises; Dallas, Texas, Consultant

Unix, C, C++, Tcl/Tk, Perl, mSql, mySql, design and coding of various message-parsing

portions of a communications protocol conversion product (interface engine). Worked on

flat record (COBOL data files) and S.W.I.F.T. formatted messages.

Work was done under AIX, Solaris, HP/UX, Digital Unix and Linux using C, C++, Tcl/Tk and

Perl.

March 97 to February 98, GTE Telephone Operations (Decision Consultants, Inc); Irving,

Texas, Consultant

Informix/AIX related design, coding on telephone switch diagnostic software. Creating web

environments for manipulation of Informix databases using HTML, Java, JavaScript and

C/C++. Building data converters and back end procedures for in-house system data to load

Informix databases. Work also involves multi-thread and socket programming for

client/server tasks. Also providing assistance with AIX sys admin. and assisting

coworkers with general Unix programming for debugging, sockets, threads and HTML/WWW.

Linux admin and installs for personal workstations.

Work was done under AIX on IBM hardware using Informix 7.1, Esql, C, C++, Java, and

JavaScript.

April 96 to March 97, PageMart, Inc.; Dallas, Texas, Consultant

Oracle/Unix related design, coding and rework on current cycle billing procedures. Work

involved performance tuning on current application (converting from PL/SQL to C/ESQL),

bug fixing and adding features. Redesigning of current applications and training

employees on use and programming of the system. Spent about 3 months bringing new

contractors up to speed on current system after I left. Oracle Financials environment,

creating input data for accounts receivable.

Also provided assistance with Unix sys admin and overall Unix/Oracle system performance

issues.

Work was done under Solaris 2.4 on SPARC hardware using Oracle 7.1.6, PRO*C 2.0, C, Perl

and Awk?

March 94 to April 96, Ameritech Health Connections; Richardson, Texas, Consultant

Application and system level design/coding/debug on clinical database product using

Sybase and HL7 message protocol. Statistical tools for looking at throughput of database

loader programs. Task scheduler for management of backend Unix processes. X/Motif tools

to measure and present information and to provide end user/developer access to database.

Lex/Yacc development for programming language development and HL7 message parsing. Built

and worked on tools for handling run-time HL7 formatted data. Heavy socket programming.

CVS/RCS administration. Perl scripts for formatting/presenting revision control history

and usage information. Work in porting programs between Solaris, Unix, AIX and MS-

Windows. Assisted in Unix system administration.

Work was done on Solaris 2.x, Unix SysVr4 and AIX using X/Motif, Sybase, Unix, C, C++,

Lex, Yacc, Perl and TCL/TK.

October 93 to March 94, Canmax Retail Systems; Irving, Texas, Consultant

Oracle/Unix related rework, design and coding of payroll portion of back office store

automation project. Work involved consolidating payroll information received from remote

stores and performance tuning on Oracle PL/SQL apps. The consolidated data was then

used to create statistic and payroll reports.

Programming was done in C, ESQL, PL/SQL, SQL*Plus, Korn shell, Awk and Perl. All work was

done on a NCR 3000 computer, running AT&T Unix System V.4.

June 92 to October 93, Computer Assistance/Coopers & Lybrand. Addison, Texas; Consultant

MS-Windows related design/coding on Coopers & Lybrand Audit Support System software.

Main areas were dbVista and RAIMA Object Manager application interface, tools development

related to database population from external sources (i.e. Lotus Notes), data conversion,

Import/Export to/from third party software and the end user Install program for the

auditing software package.

Work was done on a 486 PC running MS-Windows 3.1 using Microsoft C++ 7.0 and Microsoft

SDK. Awk was used in development of the database population utilities to generate C++

source code that reflected the current database schema. Korn shell and SED were also

used.

September 89 to June 92, Computer Assistance, Dallas, Texas; Consultant

Unix related work in database design, hardware and software procurement, selection and

installation, Unix system admin., system level coding, training, testing and Oracle

database administration, development, performance testing on a retail store automation

project for the Army and Air Force Exchange Service (AAFES). Developed 4GL using JAM

(forms editor) that provided access to the Oracle database. A procedural interpretive

language was developed, using Lex/Yacc for creating program logic. Was involved in

training for design and development using this language.

All work was done on a 486 PC running Interactive Unix SysVr3.2 and IBM RS/6000 running

AIX 3.1, using C++, C, Oracle, SQL, Dynamic/Embedded SQL (PRO*C) and Oracle OCI, JAM and

an in-house 4GL.

April 89 to September 89, Contact Software Int'l, Irving, Texas; Consultant

Software design and development on PC base contact management software product named

ACT!. The user interface, menuing, database application. Work included a pull-down menu

system and the writing of a word processor and working with junior level employees on PC

architecture and program design and debugging.

Development was done in C++ and 80x86 assembly under PC/DOS on PC compatible computers.

October 87 to March 89, ElectroCom Automation, Arlington, Texas; Consultant

Software design, development and rework on message switching product line. Police

department applications for radio based mobile data terminal control, switching, parsing,

formatting and validation. 2780 bisync and async communications protocol drivers. Radio

communications management for controlling redelivery and decaying of data to the mobile

data terminals. Heavy interprocess communications. Creation of redundancy software.

Training and assisting employees on use and continued development and installation of

software. Unix and Xenix system admin, hardware/software installation and configuration.

Development was done in C using Unix SysV on AT&T 3b2 computers, SCO Xenix and Microport

Unix on PC/AT computers, with Z80 assembly for third-party sync/async conversion

hardware used in bisync communication.

April 87 to October 87, Datamatic Inc., Richardson, Texas; Software Engineer

Software design, development and rework on PC based data switches, used for data

communications with handheld terminals. Data was manipulated (edit/delete/add/reformat)

for printing and sending to other computers or re-sending back to the handheld terminals.

Development on software for communications to the handheld terminals.

Development was done in Turbo Pascal and 80x86 assembly under MS-DOS on PC compatible

hardware.

September 85 to April 87, Amdahl Communications, Richardson, Texas; System Design Engineer

Software design, development and maintenance for X.25 switching network configuration and

management products,. Involved real time multi-process 80x86/Z80 hardware/software on

operating systems designed in-house. Tools development for file transfer, source code

control and release, object code control and release, product development, VAX systems

administration, etc. Porting of development environment from VMS to UTS (Amdahl's

mainframe System V Unix).

Development was done using Pascal, 80x86/Z80 assembly, C, VMS/DCL, DEC/CMS, DEC/MMS,

Bourne shell, DEC/VMS and Unix. Hardware included in-house CP/M computers, DEC/VAX

11/780, AT&T 3b2 and Intel Micro Development Systems.

December 82 to September 85, Pinetree Computer Systems, Irving Texas; Software Engineer

Software design, development and support for handheld computers on application and

operating system levels. Telephone communications software between the handheld and

remote receiver computers. Formatting of data and applications download for handheld

from the receiver. Development environment utilities and porting under VMS. Telecom

product to do statistic and billing inquiries via telephone to infield receiver systems

under VMS. Program generator under MS-DOS and VMS to build Z80 source code, compile it

and download to the handheld computers as a user application. VT-102 terminal emulator

under PC/DOS using 80x86 assembly. EPROM programmer controller application under VMS.

Development was done in Z80/80x86 assembly, C, VMS/DCL, MS-BASIC and MACRO-11 assembly.

Miscellaneous

October 99 to Present

I run a small Linux based web hosting business from my house at http://www.nohost.net,

providing DNS, web site and email services. This involves general Linux (RedHat and SuSE) system

administration on a network of 7 systems), including administration and maintenance

of the following; DNS (bind 9), DHCP, qmail, courier IMAP server, Squirrelmail web email

client, Apache web server, Tomcat servlet/jsp engine, MySQL and PostgreSQL database

servers, Amanda backup server, Linux based router/firewall.

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