Blockchain Engineer
2018 - PRESENTOcci- Development of Parity sidechain networks.
Technologies: Parity, EthereumSoftware Engineer
2018 - PRESENTMinuteman Capital- Developed an Ethereum ERC20 token contract as well as smart contracts for democratic voting by token holders.
- Built the back-end server for monitoring Ethereum contracts and creating transactions.
- Developed a Meteor/React web app (DApp) for holding tokens and voting on proposals.
Technologies: React, Meteor, Web3.js, Truffle, Solidity, Blockchain, EthereumSoftware Engineer
2017 - 2017Zen Labs- Built a Google Chrome extension for monitoring and blocking browsing activity.
Technologies: Chrome Extensions, ReactSoftware Engineer
2017 - 2017Learnt- Updated and maintained an existing Meteor/React application.
- Built an animated landing page using React/Next.js.
Technologies: Next.js, Node.js, React, MeteorSoftware Engineer
2015 - 2016Google- Worked on the civics team to display primary election result information in Google Search.
- Added text-to-speech responses to civic-related queries in Google Search.
Technologies: Protocol Buffers, Java, Google Closure, JavaScriptSoftware Engineering Intern
2014 - 2014HubSpot- Developed a Chrome extension and a Google app engine back-end. Managed the transactional email system for the product and was responsible for maintaining it and ensuring its success.
- Built and maintained a transactional email system for the product.
Technologies: Google App Engine, Python, Backbone.js, JavaScriptSoftware Engineering Intern
2013 - 2013Rakuten Loyalty- Developed multiple Node.js web services.
- Built browser extensions for multiple browsers.
Technologies: Node.jsSoftware Engineering Intern
2012 - 2012Constant Contact- Maintained a large web application using the Java and Spring Framework.
Technologies: Spring, Java
David Mihal
Chrome Extensions Developer in Boston, MA, United States
Member since April 16, 2016
David has been developing websites and web applications for all of his adult life. As a software engineer, he's worked for many diverse software companies from early-stage startups to Google. David is experienced with many web frameworks and environments, but he particularly enjoys developing with Meteor.js. He appreciates the importance of quality code as well as the need to meet scheduling demands.
David is now available for hire
Portfolio
- OcciParity, Ethereum
- Minuteman CapitalReact, Meteor, Web3.js, Truffle, Solidity, Blockchain, Ethereum
- Zen LabsChrome Extensions, React
Experience
- JavaScript 9 years
- Chrome Extensions 4 years
- Node.js 4 years
- Meteor 3 years
- Solidity 1 year
- Ethereum Smart Contracts 1 year
- Blockchain 1 year
- React 1 year
Availability
Part-time
Preferred Environment
Git, Sublime Text, MacOS
The most amazing...
...project I've worked on was an infobox that appeared in Google Search results.
Employment
Experience
- Piñata Overlay (Development)
Pinata Overlay is a system consisting of a smart contract and IPFS oracles that allows for decentralized funding of IPFS storage.
It was the winning project at ETH Berlin 2018. - Gas Guzzler (Development)https://github.com/dmihal/gas-guzzler
A web app for comparing the amount of Ether consumed by various Solidity code blocks; it's useful for building efficient Ethereum smart contracts. The app uses web workers to compile and execute the Solidity code in the browser all without requiring a back-end server.
Skills
Languages
JavaScript, Solidity, Python, SQL, Java, C#Platforms
Meteor, Ethereum, MacOS, Google App Engine, DigitalOcean, Docker, BlockchainOther
Chrome Extensions, Software Development, Front-end Development, DApps, Ethereum Smart Contracts, Protocol Buffers, Parity, NetworksFrameworks
Redux, Bootstrap, Spring, Next.js, Truffle, Express.jsLibraries/APIs
Web3.js, jQuery, React, Node.js, Google Closure, Backbone.jsTools
IntelliJ IDEA, Sublime Text, Git, Docker ComposeParadigms
Test-driven Development (TDD)Storage
MySQL, MongoDB
Education
- Bachelor’s degree in Computer Science2011 - 2015Worcester Polytechnic Institute - Worcester, MA, USA
