Amazon - Kindle

Software Development Manager

2019

• Managed a team of 9 software engineers to develop machine learning driven content, recommendations and marketing programs.
• Develop infrastructure to support research scientists and productionalize models
• Develop and maintain datalake and data pipelines using EMR/spark, redshift, and AWS Glue.
• Launched Book Notification Center - added recommendations and notifications to retail web for physical and digital book store pages.

Amazon - Global Leadership Development

Software Development Manager

2017-2019

• Managed team of 4 engineers building internal, global tools for onboarding with personalized, location aware content catalog
• Launched globaly, Amazon wide to new hires in 44 countries and 66 roles with 75% adoption
• Worked closely with business stakeholders across the company to develop requirements
• Completed review with legal counsel for all countries with corporate offices including GDPR compliance
• Developed estimates and project timelines. Managed project technical risks
• Led design, development and delivery of web tools using SpringMVC, Ruby on Rails and React.JS
• Data modeling for PostgreSQL and DynamoDB
• Established effective processes for ongoing support and operational excellence
• Collaborated with multiple org BI teams to deliver actionable business metrics and analytics

Amazon - Alexa Experience and Devices

Software Development Engineer

2015-2017

• Built machine learning systems to detect our customers’ interests, identify and rank trends, and create Summarizations from large datasets.
• Developed trend detection and ingestion pipeline using python, Stanford NLU libraries (java), Scala and Spark.
• Designed and developed multiple back end services to support new device experiences
• Technical lead and point of contact for project
• Performed interviews and recruiting – helped broader team grow from 3 to over 15 engineers

Amazon - Subscribe and Save

Software Development Engineer

2014-2015

• Developed backend service for recurring orders supporting millions of international customers and more than 15 million subscriptions
• Supported launch of SnS program in India and Tiered in Japan.
• Design and development on significant project to migrate from Oracle to DynamoDB and break legacy monolithic service into microservices built in Java and Spring.
• Worked across many teams to onboard multiple programs on our platform
• Provided operational support for service

Northfield Trading LP

Software Engineer and Research Analyst

2010-2014

• Developed infrastructure and algorithms to automatically trade Futures contracts in 40+ global markets.
• Designed and developed software infrastructure to support rapid testing of new methods and quick deployment into live trading
• Applied a wide array of machine learning methods to the development of new trading systems using a robust, structured research process
• Developed desktop and web based tools and reports for visualizing, analyzing and exploring large amounts of market data, online system performance, and research results
• Use MongoDB to build scalable and flexible experiment meta-parameter library
• Used R, MPI, CUDA, NFS, Hadoop, Amazon EC2, and Slurm to build a scalable, high performance system to support research and trading
• Integrated modern software engineering processes into the teams work flow such as version control, packages, automated testing, OO and functional design patterns.
• Improved existing trading algorithms and performed independent research on new systems.
• Optimized performance of critical code and created suite of customized profiling tools

Medical Simulations Corporation

Software Engineer

2009-2010

• Worked on a variety of tasks including hardware IO, haptics, internal libraries, system verification tools, infrastructure, simulation logic, and user interfaces
• Designed and developed new IO systems to handle serial communication with a DSP.
• Ported IO systems from C# into C++.
• Designed and developed suite of tools to verify hardware setup and functionality and diagnose problems.
• Designed and implemented Haptics API
• Used Haptics API to develop haptic effects for multiple simulations based on clinical requirements
• Collaborated with clients and doctors to tune Haptic effects
• Developed infrastructure to move simulation UIs from MFC to QT

University of Duisburg-Essen

Summer Intern through DAAD RISE

2008

• Developed software for the design of roller coasters in an augmented reality environment using a tracked head mounted display, pen, and panel
• B-SPLINE based modeling of roller coaster path combined with proprietary physics simulation
• Developed software to simulate a roller coaster ride in a virtual reality environment.
• Software was developed using C++ and Open Inventor (OpenGL scene graph manager)
• Created German/English documentation

Laboratory For Atmospheric and Space Physics (LASP)

Undergraduate Research Assistant

2007-2008

• Wrote Java/JDBC framework for developing GUI database tools
• Developed a number of tools for common administrative and data management tasks using my framework
• Wrote cross platform makefiles for database access library for IDL

University of Colorado

B.S. Computer Science GPA: 3.98

Graduated: May 2009

Dean’s list, Graduated Summa Cum Laude. Tau Beta Pi Engineering Honor Society