# Stephen Yang > swe @ wing Location: San Francisco, California, United States Profile: https://flows.cv/stephenyang3 ## Work Experience ### Software Engineer @ Wing Jan 2025 – Present | Palo Alto, CA formerly x, the moonshot factory working on strategic conflict detection + platform work on drone traffic management ### Software Engineer @ DoorDash Jan 2024 – Jan 2025 | San Francisco, CA On consumer fraud -Contributed to software infrastructure integrating GPT-o3 and other LLMs to automate fraud-related customer service workflows, resulting in over $3M in savings on fraud-related agent costs -Redefined criteria for fraudulent users and developed comprehensive, automated rule sets using daily ETL pipelines, by effectively implementing security controls that detect and mitigate risk -Built LLM-driven system to label fraud case outcomes, enabling downstream model improvements that cut fraud losses by $1M annually. -Identified fraud patterns with SQL and quashed fraud vectors promptly, preventing over $100K in weekly losses ### SDE Intern @ Amazon Web Services (AWS) Jan 2023 – Jan 2023 | Seattle, Washington, United States AWS Network Engineering Team, recieved return offer -Established infrastructure for real-time notifications to network engineers that enables prompt awareness of incorrect mappings between servers and routers in different AWS regions and facilitated necessary reconciliation measures, resulting in a significant reduction of downtime from over 20 minutes to under 5 minutes -Created region-based dashboard metrics with querying functionality to visualize when and where incorrect mappings occur -Analyzed global server health logs, evaluated performance metrics, and cross-referenced data to identify system health trends ### Technology Director @ Berkeley Codeology Jan 2022 – Jan 2023 -Overseeing six project teams of five to seven developers, devising project schedules for project lead developers -Orchestrating sourcing efforts to acquire contract software development, connecting 30+ internal developers to projects -Establishing bi-weekly targets for project leaders to attain, working with project members to ensure targets were realized ### SDE Intern @ Amazon Web Services (AWS) Jan 2022 – Jan 2022 | Santa Clara, California, United States SageMaker GroundTruth+ Team, recieved return offer -Designed an internal Python library to fully automate data processing within the SageMaker GroundTruth+ -Contributed to software infrastructure training machine learning models by creating systems to process customer batches of data efficiently -Authored comprehensive documentation to educate engineers on the functionality and effective use of the library, ensuring seamless adoption ### Legislative Aide Intern for Office of Assemblymember Evan Low @ California State Assembly Jan 2019 – Jan 2019 | Cupertino, California, United States -Drafted policy briefs and conducted research on the economic impact of tariffs for local businesses, analyzing their effects on trade and industry, and presented findings to legislative staff to inform policy discussions -Collaborated with legislative aides to perform background and secondary research on policy issues, analyzing legislation's effects on local businesses and contributing to the development of potential legislative solutions -Wrote press releases and corresponded with constituents, addressing inquiries and concerns on behalf of the Assemblymember ## Education ### Bachelor's degree in Computer Science University of California, Berkeley ### Computer Science National University of Singapore ## Contact & Social - LinkedIn: https://linkedin.com/in/stephen-yang- - GitHub: https://github.com/stephenkyang --- Source: https://flows.cv/stephenyang3 JSON Resume: https://flows.cv/stephenyang3/resume.json Last updated: 2026-04-11