# Minsu O > Software Engineer Location: Redwood City, California, United States Profile: https://flows.cv/minsu ## Work Experience ### Senior Software Engineer @ Brex Jan 2020 – Present | San Francisco Bay Area ● Managed Airflow cluster upgrades from 1.10.x > 2.0.x > 2.2.x > 2.6.x, in all areas (image builds, deployment charts, CICD, DAG migration). Regular developer of internal libraries, modifications, administration, and debugging. ● Contributor to internal Kafka Connector and Single Message Transforms (custom metrics, throughput, memory optimization) in the context of change data capture replication, focused on sink connectors. ● Internal support to Data Science and XFN teams in the capacity of a developer/administrator of the data warehouse and other OLAP infrastructure. ● Past/ad-hoc work on custom ETL integrations, EMR, data search, API integrations (JIRA/Slack/Okta) with internal tools. ### Research Associate @ Innovations for Poverty Action Jan 2017 – Jan 2018 | Malawi ● Collaborates with principal investigators to refine study protocols and research designs (randomized controlled trials and regression discontinuity designs). ● Develops surveys and digital data collection instruments for computer-assisted interviewing. ● Implements study protocols for quality control, data cleaning, and analysis. ● Trains interns in statistical programming to implement high-frequency checks and back-checks. ● Designed and developed custom tracking and monitoring mobile money transactions to field teams using IFTTT Applets and Android software development. ● Tracks expenditures, project budget, and generates financial reports. ● Hires, manages, and trains survey teams. ● Manages critical high-level relationships with project stakeholders and program partners. ● Produces compelling presentations with appropriate tables and visualizations to communicate complex relationships to audiences of varying statistical literacy. ● Project management ensuring timely deliverables for grant reporting and IRB approval. ● Assists with country office operations, primary key holding, cash management, interviewing job applicants, and procurement. ### Graduate Student Teaching Assistant @ University of California, Santa Cruz Jan 2017 – Jan 2017 | Santa Cruz, CA ● Develops lesson plans for discussion sections to parallel lecture material ● Guides students in learning statistical programming (STATA) in section ● Presented topics in microeconomics to sections of up to 25 undergraduate students ● Holds office hours to provide individual and small group instruction on difficult topics ● Assists in proctoring of exams and grading of students' assignments ● Communicates with students through email in resolving any issues regarding coursework ### Research Assistant @ Income Dynamics Lab Jan 2015 – Jan 2017 | UC Santa Cruz ● Data scraping publicly available information from internet databases (Python : BeautifulSoup4) ● Data cleaning and normalization (Python) ● Strategized approach in accessing databases through VPN to overcome firewall issues ● Utilized browser automation on more complicated scraping projects (Python : Selenium) ### Intern Analyst @ Vertical Rail Jan 2016 – Jan 2016 | Aptos, CA ● Obtained Google Analytics Individual Qualification ● Used Google Analytics in combination with R and Python to build custom queries ● Created customized datasets to reflect more granular insights ● Applied appropriate visualizations to best represent the data (ggplot2, matplotlib, seaborn) ● Consumed many energy drinks ## Education ### Master’s Degree in Applied Economics and Finance University of California, Santa Cruz ### Bachelor’s Degree in Economics - Business Management University of California, Santa Cruz ## Contact & Social - LinkedIn: https://linkedin.com/in/minsuo --- Source: https://flows.cv/minsu JSON Resume: https://flows.cv/minsu/resume.json Last updated: 2026-03-29