Monetization:Worked to build entirely new pricing structure for Mailchimp - Design and implement feature authorization layer for gating access to in app functionality - Design and implement feature packaging system that allowed for configurable feature sets to be purchasable - Support interoperability between legacy billing and new price structureSupport creation of new SPA checkout processPayments:Led the implementation of collection of Value Added Tax in the European Union, Goods and Services Tax in Australian, and State and Local Tax in the US.Integrated with Thomson Reuters OneSource for US SALT calculations.Designed and implemented line item level billing.PCI compliance work using a Hosted Payment Form through Chase.Maintained integrations with payment processors (credit card, adyen, PayPal), batch billing of monthly users, and in app purchasingInternal Tools:Refactor of application used by Support Team.System to allow developers to extend said application with new tools using a programatic bootstrapper

Switch:Worked to drive sales to customers with existing EHR/Billing software from other vendors:Backend work to automate the process of extracting data from previous system and prepare for import:Interface with various databases (MySQL, MS SQL Server, Oracle) to dump legacy dataParse and shape data in staging databaseBuild importable files by extracting relevant dataperl, bash, batchFrontend work to streamline import process for clients and implementation managers:New web dashboard to allow for uploading data files and automating the workflow to accomplish an importperl, HTML, javascriptOracle databaseathenanet Device Manager:Worked to integrate medical devices into athenanet products using:Windows service + tray app wriitten in C# Variety of vendor supplied APIs and drivers.NET librariesCOMActiveXWebsockets for browser <-> system app communicationjavascript for web app API

Built a continuous integration/continuous regression environment for WebSphere Portal using: Originally, IBM Rational Build Forge, and its Java API; Switched to Jenkins bash (Linux and cygwin) and Windows batch scripting python Rational Team Concert Selenium Web application testing system Custom Django web app for VMWare management and interaction

Provided Linux support services for 2500+ employees at IBM Deployed Red Hat Enterprise Linux and SuSE Linux Enterprise on commodity hardware and POWER Diagnosed, troubleshot, and remedied issues encountered by developers and testers using both enterprise class and community supported varieties of Linux based operating systems

Provided Linux support services for 2500+ employees at IBMDeployed Red Hat Enterprise Linux and SuSE Linux Enterprise on commodity hardware and POWERDiagnosed, troubleshot, and remedied issues encountered by developers and testers using both enterprise class and community supported varieties of Linux based operating systems

Led the Admin Team and coordinated communication and workflow with the Development Team. RedHat Enterprise on IBM POWER providing the following to 1800+ projects with 30,000+ users Clustered CVS and SVN, with GPFS shared filesystem Gforge Project Management Web Portal MailMan mailing lists Created and managed the pilot phase of the replacement for the above service using IBM Rational Team Concert and IBM Rational Asset Manager IBM Lotus Connections IBM Community Development Platform All running on AIX with DB2 database backends.

Tested the functionality of a Java API which communicates using JSON over http Created SVT and FVT test cases using Junit Integrated new test cases into a large preexisting test suite

Performed preliminary research using Linux based virtualization solutions (Xen and kvm) to provide rapid deployment of virtual machines to developers and testers Prototyped a Xen-based cloud, supporting on-demand load balancing through VM migration Created a proof of concept, kvm-based, Proxmox VE cloud, with pooled storage and on-demand load balancing through VM migration Provided Linux expertise used in the planning for both cloud server and VM deployment