Robert Penner Email & Phone Number

Redmond, Washington, US

Brooklyn, New York, US

• Apple Music: visualization of user’s yearly listening habits (competing with Spotify Wrapped).
• PGA TOUR: web component library/design system; mapped logic with state flowcharts (XState).
• Led teams into holistic practices: Mob Programming, Walking Skeleton, statecharts.
• Gave tech talks internally and publicly (e.g. New York Transit Museum with MTA)
• TypeScript, React, Storybook, Node.js, XState, Swift, Python

Brooklyn, New York, US

• MTA: New York City subway live map, featured on TIME cover “Best Inventions of 2021.”
• Steinway: multi-camera live video stream controller for piano concerts.

Brooklyn, New York, US

• Epic Games: video game asset manager.

Brooklyn, New York, US

• Main project: a unified React/Express front end powering 15 VICE web verticals (*.vice.com).
• Instituted unit testing and React component tests (Mocha, Chai, Enzyme).
• Spearheaded migration to TypeScript, equivalent to thousands of micro-unit tests preventing countless bugs and documenting code assumptions.
• Pushed for "no drama" releases, wrote scripts to automate releases and reduce human error, redesigned GitHub branching workflow.
• Drastically reduced web code download size using Webpack bundle visualization, library pruning and dynamic code splitting. Reduced vice.com initial app state by 95% (800 KB to 40 KB).
• Mirrored layout of vice.com for right-to-left languages (Arabic).

US / UK / Nepal / Kenya, US

• Founded a Data Science team, guiding new recruits in learning statistics, R, machine learning, visualization, JavaScript, D3.js, RSpec and TDD.
• Interactive visualizations, e.g. a D3.js force-directed graph and zoomable tree map.
• Monte Carlo simulation of reputation algorithm's impact on worker accuracy, using R.
• JavaScript/Canvas drawing tools for Microsoft eye tracking AI project.
• Ruby probabilistic spell checker and suspicion scorer.
• Performed the company's first microservice migration to AWS Lambda, reducing the server's monthly spend by 90%.

• Open sourced the "Penner easing functions" now referenced by 1 million files in GitHub.
• Licensed own animation libraries to Adobe for use in Creative Suite.
• Named as inventor on two patents.
• Lead interactive developer for digital sheet music renderer: piano, strings, voice, lyrics, and guitar TAB, on-the-fly transposition and dynamic audio playback.
• First to demo a solution for the "back button problem" in 2001.
• Authored 450-page book "Robert Penner's Programming Macromedia Flash MX" teaching math, physics and interactive animation/simulation.

• Project paratrooper for Club Penguin, Disney's most profitable MMORPG.
• Lead interactive developer for new virtual world prototype, on the studio's first Scrum team.
• Instilled best practices for coding, workflow and architecture, e.g. TDD, pair programming.
• Set up automated builds with continuous integration.

San Jose, CA, US

• Flash CS4 IDE: Lead JavaScript developer for the radically new Flash IDE project file format, earning a patent.
• Flash CS3 IDE: JavaScript extensibility tools for timeline animation copying and XML round-tripping.
• Presented for Adobe at conferences in Toronto, San Jose and New Delhi.

New York, NY, US

Lead developer for a digital sheet music renderer: piano, strings, voice, lyrics, and guitar TAB. On-the-fly transposition and dynamic audio playback. Inventor in patent.

Dudelange, LU

Sole developer of a project management application in C#/ASP.NET, and a wine cellar builder in Flash isometric 3-D.

Ba, Philosophy

Graph Theory Course

Applied Information Technology Diploma, Software Development