Sean Eshbaugh

Web Developer + Programmer


Seeking employment developing web based applications, software tools, or any position that requires a wide variety of technical knowledge.


10/2015 - 2/2018
Senior Back End Developer
Plano, TX
  • Developed and maintained BookShout's back end Ruby on Rails infrastructure.
  • Architected and developed the BookShout shopping cart application using Ruby on Rails and React.
4/2012 - 10/2015
Back End Developer
Dallas, TX
8/2011 - 4/2012
Director of Technology
Irving, TX
8/2009 - Present
Freelance Web Developer
Richardson, TX
6/2006 - 6/2010
Developer and Administrator
Richardson, TX
  • Developed a web based content management system using the Ruby on Rails framework to allow for simple and easy publication and control of content by the content curator and users.
  • Maintained website data with emphasis on continuous development of new features to streamline insertion of new and changing web content.
5/2006 - 9/2006
Summer Intern
Dallas, TX
  • Developed application to automate assemblage of parametrized device measurement algorithms into custom programs for testing semiconductor wafers. Used Ruby on Rails as primary programming tool.
  • Created a database schema to handle the storage and retrieval of necessary information for the above application.
  • Implemented a backup system using subversion to ensure all project data was properly preserved.
5/2005 - 8/2005
Summer Intern
Dallas, TX
  • Investigated web based methods for technical report submission, storage, and retrieval in order to facilitate collaboration and communication between development engineers.
  • Installed and tested the web based content management systems Mambo and Drupal for comparison. Focused on functionality and ease of implementation while still being able to maintain a secure and access limited environment.
Summer Intern
Dallas, TX
  • Wrote Visual Basic macros for sorting manufacturing date in Microsoft Excel. Generated and presented reports at daily staff meetings.
  • Developed and implemented a method to accurately count the throughput of Cannon i-Line photo steppers. Involved extensive error checking to reconcile and account for re-processed wafers.
  • Modified stepper input parameters for existing wafer lots to achieve better production results and yields.

Technical Skills

Programming Languages

Fluent in:

  • Ruby
  • JavaScript
  • C

Proficient in:

  • Elixir
  • C++
  • C#
  • MySQL

Conversant in:

  • Rust
  • Erlang
  • Scheme
  • Haskell
  • Common Lisp

Operating Systems

  • macOS
  • Ubuntu/Linux Mint
  • CentOS
  • Windows


  • git
  • clang/gcc
  • Xcode
  • MS Visual Studio 2012

Web Servers

  • Nginx
  • Apache

Note: a strikethrough a link above indicates that either the website has been taken offline by the client since the work was completed or was replaced with an updated version I did not work on, sometimes years later. This was last updated on .