Darren Duncan

BIO

I am a full stack software developer with over 21 years experience specializing in database and web application programming e-commerce technical writing and programming language design. I am an expert of 20 years in both SQL several versions and Perl and am also strong proficient experienced or knowledgeable in these other languages .NETCVB 3 years Java 1 year PHP 7 years Javascript 6 years HTML CSS C C regular expressions command line shell scripts XML XSLT FoxPro VBScript ASP Python Ruby and some functional languages. I have worked with several great companies including ChargeSmart and Anthony Macauley Associates where I was the lead or primary developer on several important projects developing new features maintained legacy code documented and tested and trained others. My passion is creating great database tools for accurately organizing and easily sharing the worlds knowledge over the long term. This is my biggest cause and the best way I can help the world made better through their use. My first such tool is Muldis Data Language see httpmuldis.com currently in development. After that will be consumer-useable database applications. I also contribute to various open source projects such as the Raku language and have released many Perl modules on CPAN such as SetRelation. Other tasks done and tools used LAMP relational databases PostgreSQL MySQL MS SQL Server Oracle SQLite stored procedures Apache NGINX IIS jQuery Backbone Git Subversion Linux UNIX electronic payments risk management REST APIs concurrency distributed systems functional languages agile methodologies JIRA systems analysis data modelling ETL MVC multi-tier security QA optimization OLTP debugging SOA portability Moose DBI DBIxClass Dancer Catalyst LWP TemplateToolkit Entity Framework automation tools Puppet Spacewalk Trac RT WordPress IaaS PaaS SaaS.