I research, evaluate, and develop distributed information systems with a focus on data processing. My work emphasises simplicity through refactoring, scalability, and on-time delivery through agile iterations.
I am an active member of the Portland technology community, and experienced with a large variety of internet technologies. Areas of special interest are distributed storage, internet protocols, concurrency, and
I research, evaluate, and develop distributed information systems with a focus on data processing. My work emphasises simplicity through refactoring, scalability, and on-time delivery through agile iterations.
I am an active member of the Portland technology community, and experienced with a large variety of internet technologies. Areas of special interest are distributed storage, internet protocols, concurrency, and cryptocurrencies.
Specialties: Javascript, Node.js, Java, Android Development, Encryption, Bitcoin, and Electronic Financial Markets
Founder @ "Bitcoin market analytics for the New Economy". Focusing on market arbitrage and trade automation. A script execution environment for programatic trading and data mining. From September 2012 to Present (3 years 4 months) Founder @ Social location tracking and sharing through cell-phones. A cloud service to collect, analyse, and share location data. Build on Android, Websockets, Node.js, and NoSQL. From November 2008 to Present (7 years 2 months) Cryptocurrency Engineer @ Specified and implemented a Bitcoin and OpenAssets issuance service in support of a equity crowdfunding platform. From February 2015 to June 2015 (5 months) Portland, Oregon AreaContract Software Developer @ Designed and implemented the back-end for heybigfish.com - a twitter analytics site that consumes #SxSW tweets for the SxSW 2013 Interactive Conference. From February 2013 to March 2013 (2 months) Founder @ A crowdsourced funding site in ruby on rails, with wepay payment integration From February 2012 to August 2012 (7 months) Ruby on Rails Developer (contractor) @ eCommerce Rails 3 application with complex scheduling and payment processor integration. From November 2010 to July 2011 (9 months) Android developer (contractor) @ Wrote the "Taplister Search" application which provides lists of beers, near-by bars, and other information from taplister.com. Deployed to the Android App Store as a free app. From January 2010 to July 2010 (7 months) Co-founder @ Lead Android application developer. From December 2009 to July 2010 (8 months) Contract Web/iPhone Developer @ Contract web developer for Ruby on Rails website Jyte.com. From February 2010 to April 2010 (3 months) Founder @ An online marketplace for delivery services. Using the crowdsource model, the person placing the delivery request sets the delivery price or "bounty". Anyone browsing the website can make that delivery and earn the bounty. From April 2009 to November 2009 (8 months) Web Developer @ Worked as a ruby on rails contractor for the month previous to launching the exercise/training site. From May 2009 to June 2009 (2 months) Ruby Developer @ Maintained and added new features to an in-house e-commerce platform written in ruby on rails, with thousands of customers. From February 2008 to December 2008 (11 months) Ruby on Rails development @ Software developer for-hire with an emphasis on the Ruby on Rails web application development framework, and related technologies. From June 2006 to September 2007 (1 year 4 months) Sr Software Engineer (contractor) @ improved existing media upload process involving multiple mongrels and distributed ruby along with a content processing system; wrote high-coverage unit test cases. managed rails code contribution from external contractor for a new product. From March 2007 to August 2007 (6 months) President @ The Personal Telco Project promotes and builds public wireless networks through community support and education. From August 2005 to July 2007 (2 years) Owner/Lead Developer @ Virtual Linux Servers for rent using XEN Virtualization and a Ruby on Rails front-end. From March 2006 to January 2007 (11 months) Ruby on Rails Developer @ From March 2005 to February 2006 (1 year) Java Software Developer @ Helped develop a multiuser intranet finance project using Java Portlets on IBM WebSphere Portal Server and Application Server. Designed Java Data Object classes to facilitate MS/SQL server access from portlets. From October 2002 to February 2003 (5 months) Java Set-Top-Box Developer @ Designed and implemented three entertainment applications for the Liberate
"compact" set top box platform. Built logic and AWT user interface
components from specifications. (contractor) From March 2002 to May 2002 (3 months) Java Software Architect @ (Datalex merged with Portland's Sight and Sound Software) Itinerary Sync Project. A distributed CORBA/C++ system communicates with one or more global-class travel reseravation systems such as SABRE or APOLLO, to get a completed customer itinerary. The itinerary is read as an XML document by a JSP page where calendar entries are created for PalmOS devices using a HotSync conduit written in Java. From December 2000 to May 2001 (6 months) Instructor @ CS 135 Operating Systems Support - Designed syllabus and class plan for
an 8 credit hour Windows training class. Instructed a class of twenty
adult students. From October 2000 to December 2000 (3 months) UNIX System Administrator @ Managed a student computer lab with 12 student employees. Maintained email, usenet, disk storage and backups, controlled account access, coordinated employee work schedule, kept to a budget. From June 1997 to February 1999 (1 year 9 months) Unix Systems Administrator @ IT systems administrator for Solaris systems and windows desktop support. From June 1995 to April 1997 (1 year 11 months)
Bachelor of Science (B.S.) @ University of Portland From 1990 to 1994 Masters of Science @ Portland State University
Websites:
http://www.donpark.org
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