Corey Stout, Software Developer in Pittsburgh, PA, United States
Corey Stout

Software Developer in Pittsburgh, PA, United States

Member since February 20, 2017
I'm an expert engineer and designer who is passionate about getting small teams to do great things, empowering all levels of engineers through simple and readable code. I enjoy helping with scalability, improving UX and solving complex business problems with simple solutions.
Corey is now available for hire


  • North of You
    Ruby on Rails (RoR), PostgreSQL, Keras, Vue.js, JavaScript, React Native
  • Forever
    Amazon Web Services (AWS), AWS, Heroku, Elasticsearch, Redis, PostgreSQL...
  • Agile Productions
    Amazon Web Services (AWS), AWS, Heroku, Meteor, Redis, MongoDB, PostgreSQL...



Pittsburgh, PA, United States



Preferred Environment

Ruby on Rails (RoR), React, PostgreSQL, AWS

The most amazing...

...thing I have developed is an infinitely scalable photo API storing over 10 billion photos.


  • Lead Engineer

    2017 - 2019
    North of You
    • As the first employee, I led the design and engineering efforts that successfully launched a marketing site, API, IOT device, IOS app and Android app that led to over $15 million in sales within the first year of business.
    • Built and launched using Heroku, Ruby on Rails, PostgreSQL, Vue.js and Stripe.
    • Quadrupled conversions by building a custom checkout experience and perfecting it with Google Optimize.
    • Created marketing funnels by seamlessly integrating site events with Facebook Ads Manager and Intercom.
    • Coded the Arsenal IOT device that connected to hundreds of DSLR cameras using Ruby, Python and Linux.
    • Implemented an interface to feed video into AI models to intelligently update the settings of a DSLR camera.
    • Successfully raced against delivery deadlines to design and build React Native apps for the Arsenal IOT device.
    • Built a custom message bus to allow prioritized communications between the apps and the Arsenal IOT device.
    • Optimized app UI performance by using windowed lists, animation frames and custom native components.
    Technologies: Ruby on Rails (RoR), PostgreSQL, Keras, Vue.js, JavaScript, React Native
  • Director of Engineering and Design

    2015 - 2017
    • Drove business direction to build an e-commerce site to sell custom photo products, led product design to grow a photo storage app, and ultimately scaled the photo storage app to handle billions of photos.
    • Recruited and led a team of 20+ agile engineers and designers who worked on all aspects of
    • Improved communication, prioritization and understanding across departments to force focus towards growth.
    • Built a custom Ruby on Rails e-commerce site that seamlessly integrated with customizable photo products.
    • Processed tens of millions of dollars of transactions with no critical errors or downtime.
    • Implemented SEO, filtering and sorting of over 10,000 unique products across the e-commerce site.
    • Developed a state of the art affiliate program with beautiful dashboards, customer messaging and incentives.
    • Architected and implemented a blazing fast infinitely scalable photo storage API using Ruby and PostgreSQL.
    • Added AI tagging, search and autocomplete via ElasticSearch to instantly filter across billions of photos.
    • Perfected UI and UX across the apps by designing features with user testing, A/B testing and metric analysis.
    Technologies: Amazon Web Services (AWS), AWS, Heroku, Elasticsearch, Redis, PostgreSQL, JavaScript, Ruby on Rails (RoR), Ruby
  • Co-founder / Full Stack Engineer

    2008 - 2015
    Agile Productions
    • Ran a consulting company that developed enterprise quality applications at a fraction of the cost by using super productive cutting edge technologies.
    • Contracted with industry leaders like UPMC to develop mobile and web applications.
    • Maintained customer apps with ease thanks to complete test suites and simple, readable code.
    • Scaled an application to over a million unique users, 85k daily active users and billions of page views.
    Technologies: Amazon Web Services (AWS), AWS, Heroku, Meteor, Redis, MongoDB, PostgreSQL, Apache Cordova, React, AngularJS, Ruby on Rails (RoR), Ruby


  • Honey Press

    Honey Press is a Ruby on Rails and React based application designed to share your stories through gorgeous photo books with beautiful hand-made art and a delightfully easy editor. It lets you easily personalize a photo book with your own photos and order physical prints.

  • Imgato

    Imgato is a service that resizes your images to the perfect size on your website by only including one script tag. It calculates the optimal size based on your screen density and delivers a perfectly optimized size for every image.


  • Languages

    ECMAScript (ES6), Sass, JRuby, Ruby, HTML5, SQL, JavaScript, CSS, Less, PHP
  • Frameworks

    Materialize CSS, AngularJS, Capybara, Ruby on Rails (RoR), Bootstrap 3+, PhoneGap, React Native
  • Libraries/APIs

    React, Picasa API, Twitter API, Facebook Open Graph API, Facebook API, Stripe API, GitHub API, jQuery, Vue.js, Ruby on Rails API, Instagram API, Stripe, Node.js, Keras, Sharp
  • Tools

    AWS EBS, Amazon SQS, AWS CloudWatch, RSpec, NPM, Git, RVM, TextMate, Sublime Text 3, Adobe Photoshop, Adobe Illustrator, Google Analytics, GitHub, Stylus, Amazon CloudFront CDN, Adobe After Effects, Webpack, Vim Text Editor, Capistrano, Sketch
  • Platforms

    Amazon Web Services (AWS), AWS Lambda, AWS EC2, Heroku, New Relic, Meteor, KISSmetrics, OS X, Linux
  • Storage

    PostgreSQL, Redis, AWS S3, MySQL, Elasticsearch, MongoDB
  • Other

    Turbolinks, AWS, AWS Route 53, Apache Cordova, Autodesk Maya, Facebook Ads, Procreate


  • Bachelor of Science in Accounting
    2004 - 2007
    Franciscan University of Steubenville - Steubenville, OH, USA

To view more profiles

Join Toptal
Share it with others