Richard Rosenthal, Software Developer in Louisville, KY, United States
Richard Rosenthal

Software Developer in Louisville, KY, United States

Member since May 30, 2016
Richard has been a full-stack developer for over a decade. He always focuses on learning more, never assuming that he knows everything. He has worked on AI, computer vision, mobile apps, Xbox, & computer games. His diverse history gives him a unique perspective. Unlike many developers, he never hides behind jargon, he always strives to be straight forward. Having studied psychology & worked as a performer, he also brings a unique take to UI/UX.
Richard is now available for hire



  • JavaScript 16 years
  • PHP 12 years
  • MySQL 10 years
  • Object-oriented Programming (OOP) 9 years
  • Object-oriented Design (OOD) 8 years
  • C# 7 years
  • Java 7 years
  • jQuery 6 years


Louisville, KY, United States



Preferred Environment

Sublime Text, Git, Visual Studio

The most amazing...

...projects are the ones that, regardless of how simple or complex they are, solve real world problems for people.


  • Owner | Head Developer

    2006 - PRESENT
    • Developed an emergency Android app for a client within a week after their contractor backed out, while also overseeing the development of the server infrastructure to run the app (Java, Android, PHP, and MySQL).
    • Designed and created an automated email/representative contact campaign which specifically avoided spam filters and resulted in passed legislation. (PHP, MySQL, and JavaScript).
    • Built a ground-up eCommerce system for managing small-inventory batches (PHP, MySQL, PayPal, and JavaScript).
    • Performed emergency repair work on an outdated, failing Rails 3 system, keeping a client online, patching vulnerabilities, and making progressive enhancements, essentially saving the project. (Ruby, Rails, JavaScript, HTML, and CSS).
    • Developed a custom product recommendation system for a client essentially based on a simple Bayesian network, encapsulated in a WordPress plugin. The system was developed with a simple interface for the customer to tweak probabilities (PHP, MySQL, WordPress, and jQuery).
    • Created a server-side interface for a computer vision product, as well as accompanying mobile apps. He built the server with C#.NET, and had to develop a way for it to communicate blindly with a proprietary C++ DLL (containing the CV product). (C#, C++, Android, iOS, SQL, Java, Objective-C, HTML5, and CSS3).
    • Built a ground-up rendering engine for the OUYA within a week of its launch (OpenGL, Android, and Java).
    Technologies: HTML5, CSS3, JavaScript, jQuery, Ruby, PHP, MySQL, Java, Python, C#, C++, C
  • Programmer

    2010 - 2012
    Mommy's Best Games
    • Wrote a full-featured level editor over-night in order to increase variety in the final game—was later featured in "Game Creator Magazine."
    • Developed and launched an entire Xbox game in under a month.
    • Worked directly with the head developer in creating and designing the user experience.
    • Developed the enemy AI, player control schemes, physics interactions, and visual effects in C#.
    • Worked to develop low-level engine mechanics and optimizations that were used across several different games.
    Technologies: C#, C++, XNA
  • Assistant Administrator for the Dahlem Supercomputer

    2010 - 2010
    University of Louisivlle
    • Physically installed numerous blades.
    • Created and secured new access points for users, interfacing Windows and Unix networks.
    • Provisioned new resources for batch jobs.
    Technologies: Unix


  • Prime Wellness (Development)

    Christi Lee, an accomplished dietitian, approached us to build a website for the new practice she was opening in Nashville, Tennessee. The site showcases a custom-designed theme by Rachfost, built-in mobile-first HTML5, and a custom AI product recommendation system.

  • Serious Sam Double D XXL (Development)

    Mommy's Best Games hired us to provide the code, testing, and creative support for this Xbox 360/PC game based on the cult-classic Serious Sam franchise

  • Curio Learning (Development)

    Curio Learning is an ongoing collaborative learning tool for teachers with built-in Laravel and React.


  • Languages

    Sass, CSS3, HTML5, PHP, C#, JavaScript, Visual Basic, Ruby, Java, Python, Less, C, Bash Script, C++, SQL
  • Frameworks

    Laravel, Redux, Compass, Unity3D, PhoneGap, Ruby on Rails (RoR), Bootstrap
  • Libraries/APIs

    jQuery, React, HTML5 Canvas, Redux-saga, OpenGL, OpenCV, Vue.js
  • Paradigms

    Object-oriented Programming (OOP), Object-oriented Design (OOD), User Testing, UI Design
  • Platforms

    WordPress, Android, Linux, Unix, iOS
  • Storage

  • Other

    PSD to HTML, WordPress Rescue, WordPress Plugins, Ajax, Mobile First, Graphic Design, Product Design, SSH, Accessibility
  • Tools

    Git, Adobe Photoshop, Gimp, Inkscape, Redux Thunk, Subversion (SVN), Webpack
  • Industry Expertise


To view more profiles

Join Toptal
Share it with others