5202 S. Dorchester #3

Chicago, IL 60615

773-629-7217 (cell)

Skills:

• Languages: Python, C, SQL, HTML, some Scheme, C++, Java, Ruby, Octave, ML, x86 and 6502 assembly.
• Tools: Hadoop (mostly via mrjob and AWS EMR), Lucene/Solr, Mercurial, Subversion, Chef, Cassandra, Memcached, Apache Web Server, CherryPy, Twisted.
• Operating Systems: Linux.

Experience:

• Senior Developer, Juju Job Search, 2006-2011 (mostly Python, with occasional C, Java, and Ruby):
  • Wrote core search search functionality, extending Lucene / Solr as necessary in Java.
  • Maintained and extended job parsing and ingestion subsystem.
  • Designed and implemented sponsored job bidding / accounting / billing system, and ad hoc analytics via mrjob.
  • Designed and implemented geographic name parsing and location search.
  • Jointly oversaw migration from colocated hosting to Amazon Web Services.
  • At times, had primary responsibility for operations and reliability of website and APIs.
• Consultant, Imaginary Landscape, 2005-2006:
  • Implemented assorted web applications in Webware / PostgreSQL.
• Consultant, Ducks-In-A-Row, 2004-5:
  • Implemented and helped design web-based workflow application for City of Madison Zoning Department using Python, Twisted/Nevow, and MySQL.
• Consultant, Cheshire Project at University of Liverpool, 2003:
  • Upgraded PyZ3950 to support Z39.50v3, and internationalization. (Z39.50 is a protocol mostly used in libraries for catalog searches.)
• Sabbatical, 1999-2003. Wrore assorted Open Source software (available from http://www.pobox.com/~asl2):
  • RhythmLab (C++/Linux), a Gtk-based tool for visualizing and interactively experimenting with polyrhythms.
  • Dissociated Studio (C++/Linux), a novel FFT/dotplot-based music visualization tool.
  • PyZ3950 (Python), a Z39.50 implementation, including an ASN.1 compiler, BER encoder/decoder, and MARC toolkit (contributing to standardization of ZOOM, a OO Z39.50 API, defining Python binding).
  • Tyrannioware (Python), a book cataloging system (using PyZ3950 and PostgreSQL) with Web interface.
  • Pinefs (Python), a user-space NFS interface to the Python object namespace, and ONC IDL-to-Python compiler.
• Consultant, OverX, 1999:
  • Consulted on design of distributed database protocols and software.
• Senior Developer, Townsend Analytics, 1989-1999:
  • Designed and implemented network protocols running over TCP/IP, Netbios, and Vines for financial market data, and HDLC system for satellite broadcast of data.
  • Designed C/C++ parsers for financial data feeds. Wrote custom bisync, SDLC, and async drivers (under MS-DOS and Windows NT) for assorted hardware to communicate with financial exchanges and other data providers.
  • Redesigned and reimplemented C/C++ servers for financial news and instrument price data (both pushing current data and retrieving historical data), using ISAM database.
  • Wrote network and server monitoring applications for server farm. Debugged obscure network problems.

Talks:

• PineFS Python NFS server, PyCon 2005 lightning talk
• Nevow web framework, ChiPy August 2004
• Unicode and Middleproxy (an annotating proxy for Chinese), ChiPy August 2005

Education:

• University of Chicago, 1986-8 (full-time), 1990, 1995 (part-time). Coursework included Compilers, Static Analysis, Programming Languages, Algorithms, Automata/Complexity Theory.