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Kristo Jorgenson, JavaScript Developer in New York, NY, United States
Kristo Jorgenson

JavaScript Developer in New York, NY, United States

Member since August 7, 2016
Kristo studied engineering and physics at Dartmouth College and left school to start a company developing software for athletes and coaches. While there he learned JavaScript and particularly React. He has built performant React web apps with an intense focus on the user experience and functional design.
Kristo is now available for hire

Portfolio

Experience

  • JavaScript, 3 years
  • Redux, 2 years
  • React Router, 2 years
  • React, 2 years
  • Node.js, 2 years
  • FlowType.JS, 2 years
  • React Native, 1 year
  • GraphQL, 1 year
New York, NY, United States

Availability

Part-time

Preferred Environment

Visual Studio Code, Hyper App, Git, OS X

The most amazing...

...thing I have built is a React Native iOS and Android app for interacting with a coach and tracking workouts to visualize progress along a fitness plan.

Employment

  • Web Developer

    2017 - PRESENT
    Levantine Films
    • Built the public-facing website for the Oscar-winning production company Levantine Films.
    • Designed the website and logo based on loose sketches from the client.
    • Designed, developed, and shipped a highly maintainable custom site in 4 weeks.
    • Built a custom React.js carousel component for use throughout the site.
    • Used SVG animations to create hover animations for the logo.
    • Used dynamic import to code-split and preload components after initial render.
    • Connected the app to GraphCMS and a GraphQL CMS so that the client can add, update, and edit their content at any time.
    • Used React Apollo to write component-based data requirements and cache the results.
    • Implemented the site as a progressive web app which means it comes with the performance of service-workers by default.
    Technologies: React, GraphQL, Apollo, Styled Components, Webpack
  • Web Developer | Designer

    2016 - 2017
    Garden Collage
    • Translated the client's vision for their garden and lifestyle shop into a complete design.
    • Implemented the redesign over an existing Shopify theme.
    • Worked with other contractors to address interoperability between their "shop" site and their publication site.
    • Used LESS and liquid templates to add new shipping features and product layouts to the client's site.
    • Smoothly transitioned the maintenance of the site to in-house developers.
    Technologies: JavaScript, HTML, CSS
  • Web Developer | Designer

    2016 - 2016
    Beatrice Helman
    • Translated her vision of a grandma's house Christmas theme to a cute responsive design.
    • Used hand-drawn vector graphics to add a personal, non-techie touch.
    • Created a realistic "sparkle" animation using HTML5 Canvas.
    • Connected the single-page app to a content management system for the client to update her content at will.
    • Used JavaScript to implement responsive images for the fastest possible load times.
    Technologies: React, ES2017, Webpack, Babel, HTM5 Canvas, Styled Components
  • Co-Founder | Developer

    2015 - 2016
    Sixcycle
    • Led the product definition and development, particularly on the mobile-side.
    • Developed a cross-platform React Native app for both iOS and Android.
    • Wrote the code for Bluetooth heartrate monitoring, geolocation, and messaging.
    • Successfully marketed and sold the app to the largest endurance training organization in the world.
    • Utilized Redux and Immutable.js to maintain all application data.
    • Implemented shareable deep links to specific app views.
    • Maintained a vanilla JavaScript web app and progressively transitioned it to React.js.
    • Implemented Redux to manage the state in our hybrid vanilla JavaScript and React web app.
    • Integrated a support chat and designed and built onboarding workflows for multiple user cohorts.
    Technologies: React Native, ES6+, Webpack, JavaScript

Experience

  • Beatrice Helman's Personal Site (Development)
    https://beatricehelman.com/

    I designed this site based on the (unique) grandma's house and Christmas theme provided by Beatrice; I developed it in React with JavaScript animations and responsive images.

  • Sixcycle Mobile (Development)
    http://sixcycle.com/

    This is a React Native iOS and Android app all in one code base; includes messaging, geolocation workout recording, Bluetooth heart rate, and more.

  • Levantine Films Website (Development)

    I built this public-facing site for Levantine films using React, Apollo-GraphQL, and a GraphCMS back-end.

Skills

  • Languages

    HTML5, GraphQL, ES8, JavaScript, CSS, ECMAScript (ES6), Python 3, Java
  • Frameworks

    Redux, Graphcool, React Native, Loopback, Next.js, YARN, Relay
  • Libraries/APIs

    React, FlowType.JS, Node.js, React Router, jQuery
  • Platforms

    Web, Contentful, Visual Studio Code, Heroku, iOS
  • Other

    Styled Components, Server-side Rendering, Apps, Apollo, Code Splitting
  • Tools

    GraphCMS, Flow, Babel, Webpack 2
  • Paradigms

    Asynchronous Programming, Functional Programming
  • Storage

    PostgreSQL

Education

  • Pending Bachelor of Arts in Artificial Intelligence
    2016 - 2020
    Columbia University - New York City, NY, USA
  • Completed credits towards a bachelor's degree in Engineering Systems
    2012 - 2014
    Dartmouth College - Hanover, NH, USA
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