# Stephan Danyluk > Applied Science at Datadog | Ex-Ramp Location: Brooklyn, New York, United States Profile: https://flows.cv/stephandanyluk Former high school teacher turned Machine Learning Engineer, now building autonomous agents at Datadog. I’ve led machine learning modeling efforts at Ramp and Divvy (acquired by Bill.com), with a strong track record of delivering impactful solutions. ## Work Experience ### Senior Applied Scientist - Large Language Models, Generative AI @ Datadog Jan 2025 – Present | New York, United States Building a state-of-the-art AI Security Agent on Datadog's observability stack. ### Senior Applied Scientist @ Ramp Jan 2024 – Jan 2025 Responsible for core machine learning models, data architectures, and strategic roadmaps to reduce Fraud on Ramp's Platform. I partnered closely with risk and engineering counterparts to deploy multiple high-impact fraud detection models at Ramp. ### Senior Machine Learning Engineer @ BILL Jan 2022 – Jan 2024 | Draper, Utah, United States Led the first cross-functional, machine learning partnerships and model creation for Bill Spend and Expense (Divvy), and responsible for multiple production-grade models. ### Senior Machine Learning Engineer @ Divvy Jan 2022 – Jan 2023 | Draper, Utah, United States ### Machine Learning Engineer II @ Divvy Jan 2021 – Jan 2022 | Draper, Utah, United States ### Data Science Manager @ Progressive Leasing Jan 2021 – Jan 2021 | Draper, Utah, United States Directly worked with C-Suite executives on high-impact machine learning models for credit risk segmentation, and managed multiple Data Scientists and Analysts. ### Senior Data Scientist @ Progressive Leasing Jan 2019 – Jan 2021 | Draper, Utah ### Data Scientist @ Progressive Leasing Jan 2018 – Jan 2019 | Draper, UT ### Corps Member @ Teach For America Jan 2014 – Jan 2017 | New Haven, Connecticut Taught high-school math at a public magnet school in New Haven, Connecticut. Created the school's SAT prep and AP Calculus BC programs. ## Education ### Master's Degree in Statistics Yale University ### Bachelor of Arts (B.A.) in Mathematics Bowdoin College ## Contact & Social - LinkedIn: https://linkedin.com/in/stephan-danyluk-75324644 --- Source: https://flows.cv/stephandanyluk JSON Resume: https://flows.cv/stephandanyluk/resume.json Last updated: 2026-04-07