Kado Damball, Developer in Berlin, Germany
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Kado Damball

Verified Expert  in Engineering

Software Developer

Berlin, Germany
Toptal Member Since
August 5, 2014

Kado is a JavaScript developer with a keen interest in data and data visualizations. He is also a machine learning and data mining hobbyist, a by-product of his BA in Economics. He currently works as a freelance developer.


Cofundraising (via Toptal)
PHP, Firefox Extensions, Safari Extensions, Chrome Extensions, React...
Perisphere Media
jQuery, PHP, CSS, JavaScript, HTML5, HTML
Twilio API, Sails.js, JADE, MySQL, Node.js, CSS, HTML




Preferred Environment

Node.js, GitHub

The most amazing...

...project has been building an entire real-time product as a co-founder while being responsible for both business and technical decisions.

Work Experience

Software Developer

2015 - 2016
Cofundraising (via Toptal)
  • Took over support for the main Chrome extension.
  • Managed a web-scraping project for 200+ sites.
  • Ported the main extension to Firefox, Opera, and Safari browsers after developing a clean abstraction for business logic vs. browser logic.
  • Managed various product related data analysis/tracking projects.
  • Updated a legacy admin panel to a modern SPA.
Technologies: PHP, Firefox Extensions, Safari Extensions, Chrome Extensions, React, JavaScript, Web Extensions, CSS, HTML

Web Developer

2013 - 2016
Perisphere Media
  • Created, implemented, and documented an automatic request submission system.
  • Developed an interactive web map for an advocacy organization against the death penalty.
  • Enforced HTML5 standards for legacy websites, improving efficiency and data load.
Technologies: jQuery, PHP, CSS, JavaScript, HTML5, HTML

Full-stack Developer

2015 - 2015
  • Developed the full website from scratch, with an emphasis on cross-browser/cross-device support.
  • Established a TDD approach with Mocha.js.
  • Created a messaging platform using Twilio API.
  • Created a site load budget for maintaining site performance.
Technologies: Twilio API, Sails.js, JADE, MySQL, Node.js, CSS, HTML

Front-end Engineer

2015 - 2015
MarkaVIP (via Toptal)
  • Implemented a new site for general customers.
  • Cleaned out old styling using LESS.
  • Established a new design system differentiating between two versions of the site.
Technologies: PHP, JavaScript, CSS, HTML

Senior Front-end Developer

2014 - 2014
ConsumerAffairs (via Toptal)
  • Developed the blog section for the website.
  • Researched and developed an image loading system, halving data and page load.
  • Created a new social login, allowing access through third party social networks.
Technologies: Python, AngularJS, JavaScript, CSS, HTML


A lightweight app that employs the SoundCloud API for playing non-stop music from a particular genre.
2008 - 2012

Bachelor's Degree in Statistical Economics and Mathematics

Clark University - Massachusetts, USA


React, Node.js, Underscore.js, jQuery, D3.js, Twilio API


GitHub, Chrome Developer Tools, Git


Ember.js, Sails.js, AngularJS, Ruby on Rails (RoR), Angular


HTML, JavaScript, CSS, HTML5, PHP, JADE, Ruby, Python






Agile, Functional Programming


Web Extensions, GitFlow, Product Management, Chrome Extensions, Safari Extensions, Firefox Extensions

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