• Own backend services for Tableau Online.

A to Z

2019 - 2020

• Owned A to Z, Amazon's self-service HR tool for hourly employees. Allows employees to view and manage time and attendance, view schedule, manage shift transfers, and receive employee communications.
• Defined interfaces between two organizations to accelerate development for time and attendance features.
• Designed a system to manage worker ontologies to control feature enablement.

EC2

2015 - 2019

• Owned the customer-facing EC2 instance health API and underlying monitoring systems.
• Successfully launched a system re-architecture to resolve a critical scaling bottleneck for customer-facing EC2 instance health metrics.
• Took ownership and repaired some older systems in need of TLC related to the EC2 data-plane build and release process.
• Proposed changes to the EC2 data-plane release process that reduced customer-impacting outages related to deployments.

• Working on an alpha capture system.
• Automated a release and deployment process using Ansible. Took a manual, multi-step process and transformed it into an automated, single-step process.
• Advocated for and helped design and build a system to collect and report applications metrics; enabled reporting and monitoring of performance and availability metrics.
• Re-designed and implemented login and session management across multiple sites.

EC2

2013 - 2014

• Designed and implemented a service to automate multi-region tasks across AWS.

Infrastructure Supply Chain Automation

2011 - 2013

• Founding member and technical lead for team focused on improving Infrastructure's supply chain
• Designed and implemented systems that led to significant reductions in procurement cycle times
• Grew team from 3 to ~15 members over two years
• Launched externally accessible portal to ingest supply chain data from vendors
• Active in the career development of teammates via informal mentoring, leveling for promotions, and writing promotion documents

Infrastructure Automation

2009 - 2011

• Designed and implemented RESTful web services using Java for Amazon's server provisioning system
• Added support for EC2 capacity into the provisioning tools
• Deployed the provisioning system in several new AWS regions as part of new region builds
• Periodic 24/7 operational support including responding to high-severity issues
• Upgraded a critical MySQL database used by dozens of systems from 5.0 to 5.1 with minimal downtime and no negative impact

• Developed features for a homegrown CMS supporting comcast.net and fancast.com
• Developed user interfaces and publishing systems for editors to manage content
• Wrote software to ingest syndicated news content from various news sources
• Helped launch re-architecture of comcast.net
• Designed and implemented user-preference storage system based on the OpenSocial API and backed by MySQL

• Developed telephone system (PBX) reporting software for internal Mac OS X applications
• Parsed and imported telephone switch traffic data into a PostgreSQL database
• Created backup scripts and performed maintenance for a PostgreSQL database
• Wrote complex SQL queries to extract data for report generation and generated DocBook documents
• Ported a PowerPlant application to Mac OS X
• Technologies
  • Cocoa/Cocoa
  • Mac OS X
  • Objective-C/C++
  • PostgreSQL

In my free time I developed an iPhoto plug-in SmugMugExport which uploads photos from iPhoto to SmugMug.

• Performed research tasks related to programming support for embedded wireless devices
• Passed all written preliminary exams
• Wrote network simulations using Python

Master of Arts and Science (December 2003)
Major: Computer Science

Bachelor of Science and Engineering (May 2002)
Major: Computer Engineering
Senior Project: A Nintendo emulator written in Java