Jonathan Coe Email & Phone Number

New York, NY, US

New York, NY, US

• Codesmith | Software Engineer and Instructor 2018-Present
• Architected React-based library of general purpose, reusable components, promoting consistency across application code bases and reducing initial React component creation time.
• Migrated Hapi, ejs system to modern MERN stack, facilitating coherent state management as code base grows, additionally eliminating tech debt and speeding up the dev cycle.
• Enabled seamless content management, allowing admin to generate and edit complex component arrangements by simply adding YAML content server side.
• Designed, with Redux-thunk middleware and fetch API, async data fetching pattern to sync fetched data with Redux store, providing an organized approach to populating state.
• Implemented utilities for getting and transforming YAML content into JSON server side, providing a simple interface for serving content and building data set on server startup.

New York, US

• React Fiberline | Software Engineer - Visualizer/debugger for React Fiber applications 2018
• Registered performance observer by installing global hook that observes the Performance interface and collects React performance measures for visualizing component rendering times and fiber node ordering.
• Implemented data formatting algorithm for D3 timeline graph utilizing stack data structure to correctly nest performance measures before processing.
• Built auto updating flame graph using React-vis to provide real time visualization of React fiber rendering times.
• Derived React fiber node snapshots by integrating event listeners into React-DOM in order to display update queue content in fiber timeline.

Berlin, DE

• BrowserCompatibility.js | Full Stack Engineer - Dev tool for checking browser compatibility of Javascript code.
• Architected Node server with Express middleware controller to scrape MDN for all urls that correspond to JavaScript versions in order to determine the browser compatibility of all version keywords.
• Created methods to scrape MDN for all keywords in each version by mapping multiple get requests to an array of promises, when promises resolve scrape resulting pages for browser compatibility.ExpressMidWare.js | Full.
• Configured middleware wrapper class to take a middleware as an argument, providing an extra layer of abstraction through ES6 class-based helper methods.Picto-Draw | Full Stack Engineer - Multiplayer real time game.
• Accounted for websocket disconnection and user logins mid game by providing alternate paths of execution based on all possible conditions and edge cases.
• Constructed server side caching system that is synced to each redux store running on each client ensuring a consistent UI for all users.