Peter Hosey's résumé

Profile

Programmer for Mac OS X and other UNIX-like environments, with 5½ years' experience in open-source. Excellent at working cooperatively with other people. Fluent in English, C, Objective-C, and Python.

Skills

Application programming interfaces

Programming languages

• C (ISO 9899:1999)
• Objective-C
• Python
• Adobe PostScript

Document/graphics languages

• Adobe PostScript
• XHTML 1.0–1.1
• HTML 4
• CSS 1 and 2

Other

• Knowledge of Unicode (an international text encoding)
• Strong UI sensibilities, with keen sense of what works and what doesn't, and an ability to anticipate the user's reactions

Previous experience

• 2003-12 to present

  Developer on Adium, open-source multi-protocol instant-messenger client for Mac OS X

  • Helped rewrite contact list drawing using Quartz, achieving a 2–3× (estimated) speed increase
  • Redesigned AIHTMLDecoder class (converter between HTML and Cocoa styled text) and AIKeychain class (wrapper for Mac OS X's Keychain)
  • Added strict-XHTML encoder to AIHTMLDecoder class, in addition to existing loose-HTML encoder

• 2004-06 (approx.) to present;
  Lead Developer since 2008-05-20

  Developer on Growl, open-source user-notification system (displays a passive message when an application-defined event occurs)

  • Designed Growl's API for Carbon-based applications
  • Rewrote GrowlMail (plug-in for Apple Mail) for increased robustness

• Has written numerous programs to run on Mac OS X, including:

  • CPU Usage: graphical indicator of current load on the user's processor(s)
  • diff-colorize: command-line filter to colorize diff(1) output for viewing on color terminals
  • EasyHash: application to make it easy for users to obtain cryptographic hashes of a file
  • IconGrabber: uses Icon Services to look up icons that are registered with the system; can save these icons as TIFF files
  • ISO 8601 parser and unparser: code for Cocoa-based programs to translate between Cocoa NSDate objects and ISO 8601-formatted date and/or time strings
  • LMX: library to parse XML-based documents backwards (used by Adium for reading the last few messages from chat transcripts)
  • Localization Helper: developer tool to reveal text strings that are not yet localized
  • Symbolicator: command-line utility to transform crash logs from Mac OS X applications to make them more readable

• Wrote several programming/computer-related documents:

  • Everything you need to know pointers in C
  • A vi cheatsheet for Dvorak and QWERTY, for grayscale and color displays (inspired by another one)
  • Hello World, cut four ways: a demonstration of good and bad implementations of Hello World

Education

• Home-schooled
• Self-taught

2009-05-31