Doug Bell

Summary

Senior Developer / Architect. Quantitative Analysis and Research (QAR) group, Core Data team. October 2011 - Present

Collect and store market data for historical time series analysis
Collect market data using Perl, C++ (via Perl XS), Java (via Perl Inline::Java), SQL, SOAP, HTTP, FTP, and e-mail
Modernized and simplified legacy Perl platform and improved testing and documentation
Worked with other QAR teams to build common solutions to data loading and storage problems
Worked to ensure complete monitoring and documentation for L1 and L2 support teams
Developed extensive logging and reporting platform using ELK (ElasticSearch, Logstash, Kibana)
Developed custom job metadata reporting using Postgres, Mojolicious, and custom messaging via ZeroMQ
Built robust and scalable ETL system using Perl and ActiveMQ
Built simple web applications for viewing and exploring data using Mojolicious, AngularJS, and Bootstrap
Developed drivers for internal General Universal Time Series (GUTS) API using ZeroMQ and Protobuf
Automated releases, deployment and environment setup using Git and Rex

CTO / Technical Director / Senior Developer. October 2009 - June 2014

Built a Pipe Dreams workalike, WireWorks, using AS3 and Flash IDE.
Built SwfConduit, an AS3 socket server using Python, Twisted, and PyAMF
Designed and built game object database using MongoDB (replacing MySQL after complications with SQLAlchemy)
Developed StoryTeller, an isometric, sprite-based game framework built on Flex running under AIR using SwfConduit as a backend
Began work on Emerald Kingdom, an MMO RPG with a focus on episodic, rotating content with a linear storyline
Designed an object-oriented, modular system to allow for multiple kinds of world-building: 2d platformer, 2d top-down, isometric, diametric, or 3d rendered
Built a fully-automated release process with a self-updating client using Perl, Jenkins, and Make
Built a community website based on Python, Twisted, Jinja, Angular, and Bootstrap
Wrote enough Python to make almost every wrong Python library decision possible
Administered MySQL, MongoDB, and 5 FreeBSD servers for all small-business needs including e-mail, DNS, and security

Senior Developer / Project Manager / Systems Administrator. November 2005 - August 2011.

Developed client website solutions with WebGUI
Designed and built new Calendar app, new Photo Gallery app, Google Map app, and online chat app for WebGUI
Manager (for 2 years )of major client project worth more than 50% of company revenue
Developed TheGameCrafter Game Management interface using YUI 2
Lead developer of the next major version of WebGUI (8.0)
Updated WebGUI 8 with modern Perl practices, Moose (modern object-oriented system), and Plack (web service abstraction layer)
Built a JavaScript service-based Admin interface to WebGUI 8, allowing for custom scripting for WebGUI sites
Performed performance profiling, replication, and administration of MySQL databases
Performed manual database merges when replication failed
Primary sysadmin for 30 Linux (CentOS) WebGUI hosting servers, including a load-balanced cluster for a client with 1.5m hits per month