Aaron Thomas Schrab

Summary

Over ten years of experience with Unix-like Operating Systems, doing both development and system administration. Able to work both on my own or with a team. Proven success of diagnosing and resolving complex system and network problems.

Computer Skills

Programming Languages: Ruby, JavaScript, SQL, Perl, Bourne shell, C, C++, TCL, Expect, awk, Python

Tools: Catalyst web application framework, Ruby on Rails, git, Subversion, ExtJS, Asterisk telephony system, PostgreSQL, Apache web server, BIND, CVS, make, gdb, m4, MySQL, Squid caching web proxy, postfix, sendmail, procmail, SmartList, Sympa, GNU Mailman, Samba

Operating Systems: Linux (especially Debian, Ubuntu and RedHat), Solaris, FreeBSD, OpenBSD, Mac OS X, Cisco IOS, Windows

Experience

Corvisa

Senior Software Architect
Milwaukee, WI
September 2009 – May 2012

Developed a web-based application for mortgage companies using Perl's Catalyst MVC framework and PostgreSQL to run the backend which provided a REST API for a browser-based user interface implemented with the ExtJS toolkit. The initial development to assist with regulatory compliance in dealing with appraisals was done largely by myself. As the scope of the product grew to handle more functionality the size of the team grew to more than 20 developers.

Developed tools for keeping database schema and base data synchronized with changes kept in a version control system.

Developed a system for documenting API endpoints which could generate PDF outputs which gave examples of data using either XML or JSON syntax.

Managed the migration of the source code from subversion to git.

Brevient Technologies

Senior Software Architect
Milwaukee, WI
January 2007 – September 2009

Developed web-based system for distributing marketing messages via email, RSS, and website applets using Perl's Catalyst MVC framework along with PostgreSQL.

Implemented a system for billing thousands of VoIP calls per hour along with other products, generating PDF invoices that could contain more than 10,000 pages each.

Maintained the Jyngle.com site which allowed users to send voice and/or text messages to large groups of people at a time.

Enforcer Group, Inc.

Senior Developer
West Allis, WI
November 2002 – December 2006

Led the design and development of web-based records management, mugshot, and computer aided dispatch (911) systems for public safety agencies using a combination of Ruby, PostgreSQL, JavaScript and Java.

Developed an embedded Linux platform to be hosted at client sites to run portions of this system and provide VPN connections to the primary hosting site.

Responsible for setting up and administering servers for the previously mentioned systems as well as the company's internal servers.

Configured an Asterisk system to handle the company's telephone system, using a combination of analog phone lines along with both hardware and software VoIP phones.

CoreComm

Systems Administrator
New Berlin, WI
May 1996 – March 2002

Administered legacy ExecPC mail systems with over 100,000 client accounts.

Managed internal and customer mailing lists.

Setup and maintained Unix servers to provide a variety of services.

Wrote programs to automate administration and provide new services.

Implemented system backups.

Assisted technical support and customer service personnel in fixing customer problems.

ExecPC

Customer Service Representative
New Berlin, WI
November 1995 – May 1996

Gathered account information from new customers and helped them acquire and set up software to allow their computers to access the internet for the first time.

Provided technical support for Macintosh users.

Education

Marquette University

Milwaukee, WI
September 1992 – May 1996
Studied Electrical and Computer Engineering, then changed my major to Computer Science.

Activities

I contributed code to implement support for pre-push hooks in git.

I have contributed several enhancements to the UltiSnips plugin for Vim; the most significant being that I completely refactored the test system.

I've developed several patches for the mutt mail client.

I contributed the recording history module for the TivoWeb project, a web-based interface for interacting with TiVo DVRs implemented in TCL.

I have contributed minor patches to numerous other projects.

References

Available on request.

Copyright

© 2003 – 2013 by Aaron Thomas Schrab.

Unaltered copies may be distributed, distribution of modified versions allowed only with prior permission.