Dec 2019 – Jan 2022 · 2 yrs 1 mo · San Francisco, California, United States

• I ported Haven Money's technology and data to Credit Karma's infrastructure, led technical development of Credit Karma's Spend product, and served as the tech leader for the financial fraud engineering team while it grew from 0 to 14 engineers.

Apr 2017 – Dec 2019 · 2 yrs 8 mos · San Francisco Bay Area

• Everyone deserves to have their finances managed by an expert. We built systems to bring the sophisticated money management techniques of the wealthy to everyone. We offered fully-automated savings and investing with no minimums, and helped our clients understand and deploy over $200mm in assets, and analyzed over $5b in transactions.
• We sold Haven to Credit Karma in December 2019.

Jan 2015 – Jan 2017 · 2 yrs · Palo Alto

• I delivered key parts of the software that won an $800 million contract with the US Army. I also worked on:
• fighting white-collar fraud
• high-scale maps
• collaborative editing (operational transforms)
• browser application performance
• compilers
• with:
• react/redux
• typescript
• webgl

Jan 2014 – Jan 2014 · 0 mo · San Francisco

• I worked at Heap when it was six people to help build the best analytics solution for data-driven product teams, using postgresql, node and backbone.

Jan 2013 – Jan 2013 · 0 mo

• I worked as an early member of the Risk team in order to prevent transaction fraud. I researched machine learning techniques for fraud detection, built the pipeline for deploying models to production, and designed new fraud-fighting models for account takeover, ACH redirection, and chargeback fraud.

Jan 2012 – Jan 2013 · 1 yr

• I worked as part of a team responsible for porting Palantir's front-end to the web.
• I developed mapping software in CoffeeScript that was designed to run on this platform over the summer and contributed to the CoffeeScript core of the platform itself while working part time during the school year.

Jan 2007 – Jan 2011 · 4 yrs · Olympia, WA

• While in high school, I maintained and developed a large web application that served tens of thousands of students across hundreds of schools in the United States and worldwide. I was the primary developer on the application.