Jason Erb

Summary

Senior software developer with over 10 years of professional experience writing production code, including networking, data warehousing, web applications and services, geospatial analysis, brain-computer interfaces, and games, with a special emphasis on clean design, code correctness, and simplicity.

Skills

• C++ (with STL, Boost, MFC)
• C# (with .NET and .NET Compact (3.5), XNA (3.1, on Windows and Xbox 360), WCF, Windows Forms)
• C (C90, C99; with Winsock and OpenSSL libraries)
• JavaScript
• Semantic HTML (with XHTML, POSH, Microformats, CSS)
• ASP.NET, ASP
• PHP
• XML, JSON, S-expressions
• OLAP (with MDX), relational databases (with SQL, T-SQL), spatial databases
• Subversion, Perforce, CVS, SourceSafe
• ActionScript (3.0)
• VB, VBScript
• Objective-C
• Advanced programming language design concepts
• Network design, including implementation of peer-to-peer and client-server networks over UDP and TCP
• Effective software engineering methodologies spanning architecture design, programming and testing

Experience

1. [Top]

   September 2009 - Present

   Software Developer

   The PYXIS Innovation

   • Implemented support for Excel 2007 point feature datasets in the WorldView GeoWeb browser, and optimized code to reduce import time for large data sets from minutes to seconds.
   • Designed a universal vector feature architecture for WorldView.
   • Coordinated research work with the University of Calgary.
   • Fixed stability defects in WorldView, such as incorrect memory usage when marshalling between managed and unmanaged code, through careful code auditing, refactoring, and testing.
2. [Top]

   November 2008 - September 2009

   Senior Software Developer

   Dunne and Associates

   • Architected and developed BrainModder, a distributed neurofeedback training system and SDK (using C# (with .NET, XNA, WCF, Lidgren networking), C++ (with STL, Boost, TTL SDKs, MFC)).
   • Created therapeutic games for the system that respond to real-time EEG and EMG data (using C# (with .NET, XNA), ActionScript 3.0).
   • Composed and recorded music for use in the software to improve game play.
3. [Top]

   September 2006 - October 2008

   Software Developer

   The PYXIS Innovation

   • Resolved open research problems pertaining to geodesic grid indexing and related algorithms, allowing for patentable improvements to the company's core intellectual property.
   • Co-wrote the core of PYXnet, a peer-to-peer geospatial data sharing service (using C# (with .NET)).
   • Wrote code for the PYXIS WorldView application and SDK (using C++ (with STL, Boost), C# (with .NET)).
   • Coined the name "WorldView", and the accompanying metaphor, for the PYXIS GeoWeb browser.
4. [Top]

   April 2002 - September 2006

   Intermediate Software Developer, Senior Software Developer

   Hummingbird Ltd. (now the Open Text Connectivity Solutions Group)

   • Implemented a multi-dimensional OLAP reporting and interaction feature in BI Query Reports (using C++ (with MFC, STL)).
   • Maintained a large part of BI Query Reports code and refactored it to use a model-view-controller pattern.
   • Took an active role in user interface development.
5. [Top]

   September 1998 - April 2002

   Software Developer (Team Lead)

   Hilton Consulting Group

   • Built the database and web interface for an automated asset auditing and management application (using SQL Server, SQL, ASP, JavaScript, HTML, CSS).
   • Designed and developed a commercial, web-based multi-dimensional data source browser and OLAP API (using Visual Basic, ASP, SQL, MDX, Microsoft Analysis Services, JavaScript, XML, XSLT, HTML, CSS).
   • Built web applications for clients including Hotel Dieu Hospital and the Ministry of Health and Long Term Care (using ASP, SQL Server, server-side COM).
   • Managed a team of developers by training team members, assigning tasks, instituting usability and coding standards, and overseeing application modifications.
   • Authored and executed test cases to verify Y2K readiness of critical applications for the Ministry of Health and Long Term Care.

Interests

• Programming language design; currently developing a functional, concatenative, dynamic, concurrent language inspired by Joy, Scheme and Erlang.
• Writing and performing music in bands and as a musician-for-hire.
• Expanding my Mac (Cocoa) and iPhone/iPod Touch (Cocoa Touch) programming skills.