</>Jonathan Harrell

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Jonathan Harrell

UI/UX Designer & Front-End Engineer

Employment History

  • Vowel

    UI Engineer

    Accomplishments & Responsibilities
    • Built AI interfaces that delivered auto-summarization of video conferences to users
    • Created and managed Vowel's React component library, made up of unit-tested components that were built in isolation using Storybook
    • Led the frontend development of several new product features in React and Typescript, including a clip video editor, commenting experience and metrics dashboard
    • Diagnosed frontend performance issues, including memory leaks and unnecessary React component renders
    • Refactored the Vowel marketing website to use Next.js and the Tailwind CSS framework
    December 2021June 2023
  • InVision

    Senior Front-End Engineer

    Accomplishments & Responsibilities
    • Architected, built and managed a fully unit-tested Vue app for internal teams across the company to get insight into product usage
    • Worked in Node to unite disparate data across multiple microservices
    • Built and maintained the customer-facing help center using Zendesk on the backend and Vue on the frontend, including an Algolia-powered search engine
    • Built multiple React apps to improve internal tooling and increase productivity
    September 2018December 2021
  • World Headquarters, Inc.

    UI/UX Designer & Front-End Developer

    Accomplishments & Responsibilities
    • Worked with an international financial institution to design and build internal monitoring applications using React and Redux
    • Built and managed the front-end web strategy for a major commercial bathroom supplier over a 3 year period
    • Worked with over 30 clients to design user experience flows and interfaces, from the user interview stage through to high fidelity mockups
    • Built modern single-page applications with React and Vue for a variety of industries
    May 2014September 2018
  • TaLK (Teach and Learn in Korea)

    TaLK Scholar

    Accomplishments & Responsibilities
    • Designed curriculum, created lesson plans, and taught after school English classes to Korean elementary school students
    • Conceived and recorded monthly school-wide video broadcasts teaching English expressions
    August 2012January 2014
  • Cambridge Educational Services

    Graphic Designer & Marketing Associate

    Accomplishments & Responsibilities
    • Expanded Cambridge’s online presence by enlarging the company web site, designing online courses, and starting a social media campaign
    • Conceived promotional strategies with the company president and designed marketing campaigns and promotional materials
    May 2010May 2012
  • Wheaton College

    Graphic Designer & Teacher’s Assistant

    Accomplishments & Responsibilities
    • Developed, designed, and implemented the communication department’s comprehensive web strategy
    • Analyzed and increased the department’s total web traffic by 40% between 2006 and 2008
    September 2006May 2010


B.A. in Studio Art cum laude
Wheaton College, Wheaton, IL
Aug 2006 – May 2010


  • HTML
  • CSS
  • Sass/Less
  • JavaScript
  • React
  • Redux
  • Next
  • Gatsby
  • Vue
  • Nuxt
  • Node
  • Wordpress
  • Drupal
  • Jest
  • Webpack
  • A11Y


  • Adobe Creative Suite
  • Sketch
  • Github
  • Atlassian Suite

Open-Source Projects