Resume

Experience

Software Engineer, Puzzle Financial — Remote, Nov 2022–Aug 2026

• Built billing and financial reporting features for an accounting platform
• Implemented payment processing through Stripe, processing over $2 million ARR
• Added feature gating and payment controls for accounting firms managing hundreds of client companies
• Optimized SQL queries, improving load times 2–12×
• Python, TypeScript, App Engine, SQL, GraphQL, React

Software Engineer, Trimble — Broomfield, CO, Mar 2018–Sept 2022

• Worked on data storage and sharing REST/Google Cloud style API
• Optimized performance to allow uploads of 1,000,000 daily files
• Python Flask API with backends on AWS and Azure
• S3, EC2, Lambda, CloudFront, DynamoDB, SQS, Fargate

Software Engineer, Google — Boulder, CO, Nov 2015–Dec 2016

• Worked on internal billing applications
• Ported secure credit card storage to new system
• Wrote secure data lookup application, overcoming browser header-size limits using WebWorkers and chunked parsing
• Worked with PCI compliance storage requirements
• Implemented access restrictions, logging, auditing, and alerting of PII data access
• Ported applications from deprecated Python framework to Java

Software Engineer, Pandora Media — Boulder, CO, Apr 2014–June 2015

• Updated unit test framework, improving speed ~5×
• Optimized Hadoop queries, reducing runtime from several hours to minutes
• Improved and maintained job dependency framework
• Added functionality to record and analyze song skip times

Lead Developer, Augur, Inc. — Boulder, CO, Aug 2013–Nov 2013

• Developed back-end of personalization engine with Node.js
• Identified and fixed critical security vulnerabilities, including plaintext credential logging and an unsecured production database

Software Engineer, Yelp — San Francisco, CA, July 2011–Aug 2013

• Developed web-based internal moderation tools using Python
• Identified and optimized MySQL queries, improving some page loads by 300%
• Improved Elite user nomination workflow for Community Managers
• Mentored an intern building the Elite party attendance feature

Graduate Intern, Idaho National Laboratory — Idaho Falls, ID, 2008, 2009

Education

MS, Computer Science, University of Wyoming — Laramie, WY, 2007–2011

• Advisor: John M. Hitchcock, Ph.D.
• Thesis: Bayesian Classification of SQL Injection Attacks
• Wrote a proxy for MySQL that intercepts queries and prevents injection attacks

BS, Computer Science and BS, Applied and Computational Mathematics, South Dakota School of Mines and Technology — Rapid City, SD, 2002–2007

• Computer Science GPA: 3.7
• Overall GPA: 3.5

Skills

Python

• Worked on immutable ledger at Puzzle
• Worked on Flask REST/Google Cloud style API for data storage at Trimble
• Wrote internal web-based moderation tools for Yelp with Python 2

JavaScript

• Wrote responsive web apps with Angular at Google
• Wrote AWS Lambdas in JS and TypeScript

PostgreSQL

• Optimized queries at Puzzle to improve load times
• Ported database from MySQL to Postgres for ParkStamper
• Recorded song skip times using Postgres at Pandora

MySQL

• Analyzed and optimized queries at Yelp, improving some page loads by 300%
• Wrote and contributed the MySQL packet dissector for the Wireshark packet sniffer in C
• Wrote a MySQL proxy firewall that parses MySQL’s SQL dialect

Java

• Wrote internal billing applications for Google
• Improved and maintained job dependency framework for Pandora

Honors

• 2005 International Collegiate Programming Contest World Finals — Honorable Mention
• Computer Science Outstanding Graduate, 2007
• 2011 Collegiate Cyber Defense Competition, North Central Region — 1st place
• Upsilon Pi Epsilon — Member

Organizations

Collegiate Cyber Defense Competition — Member

• 2011 Nationals: 5th place — Secured systems and responded to attacks
• 2011 Regional: 1st place — Secured two LAMP installations
• 2010 Regional: Entrant, secured LAMP installation

Solid State Depot, the Boulder Hackerspace — President, 2015–2017

• Planned and attended multiple Maker Faires
• Assisted with pursuing 501(c)(3) status

ACM ICPC

• 2006 Regional: Entrant for South Dakota School of Mines and Technology, 10th of 181 teams
• 2005 World Finals: Entrant for South Dakota School of Mines and Technology