Aaron Schrab

Worked on the PowerIQ web interface which uses Ruby on Rails to present data from a PostgreSQL database.

Optimized queries to the PostgreSQL database in order to decrease the amount of time users need to wait to see data.

Built a Rails engine to serve JSON data and JavaScript code to build SVG charts replacing a legacy Flash-based solution.

Wrote database migration rules using Liquibase.

Reviewed GitHub pull requests from other team members.

Development on the internal, issue-tracking system to convert it to using an Oracle database via a JSON API implemented with Ruby on Rails.

Worked on generating testable API documentation to ensure that the described API was accurate and would remain so as additional development was done.

Helped in design of database schema.

Developed a Perl library to minimize changes needed for legacy client applications to work with the new storage system.

Participated in code review process for changes by other team members to improve code quality.

Developed tools to compare data in Oracle database against legacy storage to check for bugs in the data conversion process.

Developed Oracle stored procedures to assist in writing queries to replicate functionality from legacy system.

Assisted users in writing queries based on their described requirements.

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

Developed a system for documenting REST-API endpoints which could generate PDF outputs which gave examples of data structures using either XML or JSON syntax from a common XML source format.

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

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

Used Perl to implement 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 using Perl's Catalyst framework, which allowed users to send voice and/or text messages to large groups of people at a time.

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.

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

Managed internal and customer mailing lists.

Setup and maintained Unix (Linux, FreeBSD, and Solaris) servers providing a variety of services.

Wrote programs in Perl, Bourne shell and C to automate administration and provide new services.

Implemented system backups using Perl scripts.

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