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Tobias L. Johnson

Tobias L. Johnson

Louisville, KY, United States
Member since July 23, 2015
Tobias is a well-rounded developer with broad experience in Microsoft/.NET technologies as well as open-source, Linux-based platforms. He specializes in building full-stack solutions using ASP.NET Core API and Angular UI. He takes a pragmatic approach to solving problems and is comfortable wearing many hats depending on client requirements. He thrives in Agile and DevOps environments and has excellent written and oral communication skills.
Tobias is now available for hire
  • C#, 18 years
  • Linux, 15 years
  • Ruby on Rails (RoR), 6 years
  • jQuery, 6 years
  • ASP.NET MVC, 6 years
  • Ruby, 6 years
  • Responsive Web Design (RWD), 5 years
  • ASP.NET Web API, 3 years
Louisville, KY, United States
Preferred Environment
Visual Studio, Ubuntu Linux, Docker/Kubernetes
The most amazing...
...code I've written is a tool to convert legacy Microsoft VSS databases into Subversion dumpfiles by reverse-engineering its on-disk storage format.
  • Founder/CEO
    2005 - PRESENT
    ThetaHost Solutions, LLC, and
    • Conceive and write an SEO/affiliate link website using Ruby on Rails, Nginx, and HAProxy in Docker containers which receives approx. 150k unique monthly visitors.
    • Design and write, a responsive website which allows race directors to provide real-time race results to users. Uses Ruby on Rails, Nginx, Passenger, HAProxy, with Faye for pub/sub messaging.
    • Write a command-line driven tool to automatically provision and scale up/down the application and web tiers using Chef cookbooks and API.
    • Administer client WordPress installs using wp-cli and Git.
    • Develop, write, and sell a "white label" website to allow clients' end users to create basketball pools, with automatic scoring, win/loss notifications, and Facebook integration. Used PHP + CodeIgniter MVC framework.
    Technologies: Ruby on Rails 4.2, Ruby 2.2, MySQL, Nginx, HAProxy, Chef, Docker, PHP 5.5
  • Senior Web Developer, Team Lead
    2010 - 2015
    Heartland Payment Systems
    • Wrote and maintained an internal tool to manage salesforce commissions based on recurring revenue of their clients and other factors, using ASP.NET MVC, Entity Framework, and C#.
    • Designed and implemented automated testing and continuous integration environments using BuildMaster and TeamCity.
    • As senior developer, performed code reviews and set standards for the rest of the team.
    • Wrote a tool for importing and validating custom sales spreadsheets using ASP.NET MVC, Backbone, jQuery, and AutoMapper, to allow manually adjusting payrolls.
    • Wrote a REST-based API using ASP.NET WebAPI 2 to expose salesforce data within the organization.
    Technologies: ASP.NET MVC 4, Entity Framework 4, SQL Server 2012
  • vss2svn (Development)

    A tool I wrote in 2006-2008 to convert a VSS database to Subversion. It involved reverse-engineering the VSS data format since Microsoft's own API was too buggy to be reliable. Coordinated with a handful of other developers to accept patches and improvements.

  • Languages
    C#, Ruby, Perl, CSS, CSS3, HTML, HTML5, JavaScript, PHP, Sass, Less
  • Frameworks
    ASP.NET MVC, Ruby on Rails (RoR), Entity, ASP.NET Web API, Bootstrap 3, ZURB Foundation
  • Libraries/APIs
    jQuery, Backbone.js, Underscore.js
  • Paradigms
    Responsive Web Design (RWD), REST
  • Platforms
    Linux, Ubuntu, Windows Server 2012, WordPress, Amazon Web Services (AWS), AWS EC2
  • Tools
    Chef, Nginx, Trello
  • Storage
    SQL Server 2012, MySQL, AWS S3, PostgreSQL
  • Other
  • Bachelor of Science degree in Chemistry
    1993 - 1997
    Southeast Missouri State University - Cape Girardeau, MO
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