Matt Bell, Developer in Seattle, WA, United States
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Matt Bell

Verified Expert  in Engineering

Software Developer

Location
Seattle, WA, United States
Toptal Member Since
October 24, 2012

Matt is a full-stack developer who is experienced in a wide variety of computer engineering disciplines (most prominently cryptography and blockchain). He has built secure, high-quality user applications (both front-end and back-end), mobile apps which have been downloaded millions of times, and a myriad of open-source software modules. He has been previously employed at a Y Combinator company and loves working with startups.

HTML5Node.jsCC++SQLJavaPHPLuaPythonPython 3MongoDBRedisjQueryMySQLCorona SDK

Availability

Part-time

Preferred Environment

Git, Atom, Linux Mint, MacOS

The most amazing...

...open source project I've created is a fully-functional JavaScript Bitcoin client which uses WebRTC to do peer-to-peer in the browser.

Work Experience

Mobile Developer

2011 - 2012
Fizzix Corporation
  • Developed various smartphone game projects (which were never brought to market) using Corona SDK.
  • Developed a "Radar Detector" mobile application which has accumulated over one million installs on the Google Play store.
Technologies: Corona SDK, Lua

Lead Developer

2011 - 2012
Vox Industries
  • Created a massively multiplayer web game using PHP, with JavaScript-heavy real-time front-end.
  • Created a PHP script to notify about profitable market trading opportunities.
  • Created a Node.js script to scrape data from different web sources, calculate statistics about the data, and store the results in a Redis cache.
Technologies: OpenCL, Java, C++, C, Node.js

Mercury

Mercury is an advanced and beautiful desktop application which allows users to buy and sell cryptocurrencies like Bitcoin without trusting their money to a third party. All of it was solely built by me, including the user interface, financial protocols, and market server system.

Webcoin

https://github.com/mappum/webcoin
An open-source Bitcoin client which works in Node.js and web browsers. Building this required extensive knowledge of peer-to-peer networks, Bitcoin, and pushing web browsers to their limits.

Species

http://mappum.github.io/species/
Species is a game I built in 48 hours for the Ludum Dare game competition. Written in JavaScript, using the MelonJS game engine. In the short timeframe, I was able to make a enjoyable short game which ranked fourteenth place in the "Mood" category out of thousands of entries.

Outfitly

A web application that lets people share their clothing styles. Written with Node.js, Express, MongoDB, and Redis on the back-end, and Backbone.js and jQuery on the front-end.
2011 - 2012

Partially Completed Bachelor of Science Degree in Computer Science

Washington State University - Washington

Libraries/APIs

Node.js, jQuery

Tools

Adobe Photoshop, Adobe Illustrator, Atom, Git

Languages

CSS3, HTML5, JavaScript, C, C++, Java, Lua, PHP, SQL, Python, Python 3

Storage

MongoDB, Redis, MySQL

Frameworks

OpenCL, Corona SDK

Platforms

MacOS, Linux Mint

Other

Front-end Development

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