# Lily Xu > Senior Software Engineer at Stripe Location: Atlanta, Georgia, United States Profile: https://flows.cv/lilyxu Product-minded senior engineer who has built distributed systems, data infrastructure, and APIs across civic technology, clean tech, and payments. Currently at Stripe, leading cross-functional initiatives on payment infrastructure serving millions of users. Previously led engineering teams in clean tech and volunteered with U.S. Digital Response during COVID, building tools used by FEMA and state agencies for pandemic response planning. I started my career in public service, building water treatment infrastructure in indigenous communities in Ecuador and creating flood prediction and water allocation models for government agencies. ## Work Experience ### Senior Software Engineer @ Stripe Jan 2020 – Present | San Francisco Bay Area ### Full Stack Developer @ U.S. Digital Response Jan 2020 – Jan 2020 | San Francisco Bay Area • U.S. Digital Response connects pro bono technology teams with public servants to support their response to the COVID-19 crisis. We help governments and organizations get the tools they need to deliver critical services to the people who need them. • Developed a full stack interactive web app that visualizes different policy intervention scenarios based on models developed by the Johns Hopkins' epidemiology team to support public health agencies in making decisions for their state's emergency response. • Built frontend in React and D3 that visualizes 300 GB of simulation data. • Built backend web scripts in Python and Node to analyze and transform Parquet data. ### Data Scientist @ Verdigris Jan 2018 – Jan 2020 | San Francisco Bay Area • Built an energy anomaly detection system that led to the largest deal and partnership in company history. Forecasted customer energy with Generalized Additive Model (GAM) in Python on AWS Lambda. System detected leaks and malfunctions in physical customer warehouses. • Built a full stack analytics web platform, the core product offering using Node Express backend backed by Cassandra and a frontend built on Vue.js, D3, and Bootstrap. Eliminated 3rd party dependency and reduced load time by 10x. • Built tooltips and virtual tour of analytics platform using jQuery. Implemented SSO via Django API to generate tokens. Increased website engagement 6x, leads in funnel by 20%. • Wrote JavaScript scrapers to collect energy data. ### Data Analyst @ Jobcase, Inc. Jan 2016 – Jan 2017 | Greater Boston Area • Managed a job search website with annual revenue of $3M with 40 million users. • Designed frontend A/B tests for UI/UX design that boosted revenue by 25%. • Improved a job recommender system in Python that increased traffic by 30%. ### Water Resources Engineer @ CDM Smith Jan 2013 – Jan 2016 | Boston, MA • Guided urban drainage modeling efforts for a project with $1 billion worth of improvements. • Designed and built Python rainfall forecasting models and flood prediction models for high-volume clients. • Wrote backend scripts in Python to analyze, transform, and parse hydrological data. ### Public Service Center Project Lead @ Massachusetts Institute of Technology Jan 2010 – Jan 2011 | La Pastaza, Ecuador • Led community water treatment efforts in 4 indigenous communities affected by waterborne illnesses using rainwater collection tank technology. Installed 60+ rainwater tanks. • Trained a team of 8 community members to sustain the effort of conducting health surveys, testing local waters, and maintaining on-site treatment technology. • Organized fundraising partnerships to maintain contribution of funds and tanks. ## Education ### Bachelor’s Degree in Chemical-Biological Engineering Massachusetts Institute of Technology ### Master’s Degree in Environmental and Water Resources Engineering The University of Texas at Austin ## Contact & Social - LinkedIn: https://linkedin.com/in/xu-lily --- Source: https://flows.cv/lilyxu JSON Resume: https://flows.cv/lilyxu/resume.json Last updated: 2026-03-22