# Spencer Buja > SWE at ZipRecruiter Location: New York, New York, United States Profile: https://flows.cv/spencerbuja Major: Computer Science & Engineering GitHub: https://github.com/csbuja Personal Website: https://csbuja.github.io ## Work Experience ### Software Engineer 3 @ ZipRecruiter Jan 2021 – Present | Seattle, Washington, United States Growth + Scale team - Authentication + Registration apps Partnerships team - Data sharing with applicant tracking systems (ATSs) ### Program Manager 2 @ Microsoft Jan 2016 – Jan 2021 | Redmond, Washington Natural language understanding for Cortana integration with MS Office and Windows. —- ● Product owner of 1st party developer analytics pipelines with internal customers across Microsoft, such as HR. ● Most read author on ​internal research platform​ at Microsoft out of 100s of researchers. Produced nine developer productivity reports with 100s of readers by synthesizing and producing original quantitative and qualitative research studies. Estimated impact of open offices for Windows organization. ​Estimated causal effect​ of​ VS Code extension​ on time spent coding by 1st party devs. ​Top 5 paper and talk at Wharton People Analytics Conference. ● End to end ownership of internal tool by user researching, writing specifications, and implementing natural language processing system for ​BrowseCloud.​ Developed Python (with numpy) implementation of exact expectation-maximization to learn ​Counting Grids model​ by collaborating with Microsoft Research. Set up cloud services for queuing reliable training jobs. ​Research talk at Microsoft MLADS conference. ### Undergraduate Machine Learning Research Assistant @ University of Michigan Jan 2016 – Jan 2016 | Ann Arbor * Built model with combined approach of convolutional neural networks and conditional random fields to segment images of human cuts and wounds with 97.9% accuracy, a statistically significant improvement compared to state of the art methods when using a simulated doctor to scratch labels. * Built a phone app in React Native to take a photo and segment an image of the wound, using the model above. ### Grader - EECS 492 Introduction to Artificial Intelligence @ University of Michigan Jan 2016 – Jan 2016 | Ann Arbor, Michigan Graded assignments for EECS 492, Introduction to Artificial Intelligence. Covered: *Search *Constraint Satisfaction *Logical Agents *Planning *Representing Knowledge *Uncertainty and Probability *Intro to Game Theory *Machine Learning - (Reinforcement Learning, Supervised Learning, Bayesian Networks) ### Program Manager Intern @ Microsoft Jan 2015 – Jan 2015 | Redmond, WA * Created dashboards for engineering systems (ES) team in Windows Devices Group (WDG) using AngularJS, C#, and time-series modeling techniques. ### Data Science and Web Development Intern @ 12 Labs Jan 2014 – Jan 2015 | Palo Alto, CA * Built Loki, a product to automatically identify best social media campaigns of businesses, by applying unsupervised NLP techniques using Python and Node.js. * Used Flask and React.js to build web application for Loki to display word clouds and data tables for top social media campaigns. * Scraped 100 contacts off web as proof of concept for potential sales channel. ### Software Engineering Intern @ Salesforce - IoT Cloud Jan 2014 – Jan 2014 | San Francisco, CA * Wrote Node.js tests by using Mocha * Made data visualizations by creating a graphing library, using D3.js and D3 plugins and modeled with React and Backbone, for an almost real-time data stream built upon a set of Apache Storm topologies . * Created infrastructure that tracks throughput and latency metrics on AWS EC2 Linux instances by using Graphite. ### Front End Development Intern @ Full Circle Insights Jan 2013 – Jan 2013 | San Mateo, CA Wrote the front-end for Easy Campaign Member Status on Salesforce Platform - https://goo.gl/SABWuC. Sold for $650/yr to Google, Heroku, and 6 other companies. Rated 5/5 stars! http://fullcircleinsights.com/products/easy-campaign-member-status/ ## Education ### Master's degree in Computer Science University of Illinois Urbana-Champaign Jan 2019 – Jan 2023 ### Bachelor of Science in Engineering in Computer Science in Cum Laude University of Michigan Jan 2012 – Jan 2016 ### Computer Science & Engineering in Mathematics UNSW Jan 2015 – Jan 2015 ### Menlo School Jan 2008 – Jan 2012 ## Contact & Social - LinkedIn: https://linkedin.com/in/csbuja --- Source: https://flows.cv/spencerbuja JSON Resume: https://flows.cv/spencerbuja/resume.json Last updated: 2026-03-23