# Veronica Hangsan > Software Engineer @ AMEX Location: San Francisco, California, United States Profile: https://flows.cv/veronicahangsan ## Work Experience ### Software Engineer @ AggieWorks Jan 2024 – Jan 2025 | Davis, California, United States • Translated Figma designs into a responsive course finder UI, improving the course selection process for UC Davis students. • Implemented features such as course favoriting and multi-criteria filtering for efficient and personalized searches. • Used PostHog to set up feature flags and A/B testing to monitor site analytics, driving technical decisions and optimizing feature development. ### AI Studio Fellow @ Fermata Energy Jan 2024 – Jan 2024 | United States • Collaborated with a team of 5 to develop energy load forecasting models to predict 24-hour building energy demand at 15-minute intervals. • Analyzed key features such as heat index, day type, and temperature to inform V2X deployment decisions, improving grid energy distribution and reducing system overload risks. ### Software Engineer Intern @ American Express Jan 2024 – Jan 2024 | Phoenix, Arizona, United States Developed a metadata search assistant with the Data Management team over ten weeks, using Python to simplify metadata retrieval across various artifacts. • Employed Elasticsearch for data ingestion and FastText for vector embeddings, enhancing semantic search capabilities. • Improved retrieval accuracy from 80% to over 90% for exact string matches using k-Nearest Neighbor algorithm and optimization techniques. ### Software Engineer Intern @ American Express Jan 2023 – Jan 2023 | Phoenix, Arizona, United States Collaborated with the Digital Acquisition Intelligence team for 10 weeks to manage REST API versioning for Go2 credit card applications, improving release stability. • Mapped V2 API requests to the existing system using Java, ensuring smooth integration and data consistency. • Utilized Postman to test and validate API requests during migration process. ### Software Engineer Intern @ American Express Jan 2023 – Jan 2023 | United States Collaborated with two interns over two weeks to create an interactive financial data table, implementing login functionality and data filtering using JavaScript, HTML, and CSS. • Managed data manipulation with SQL using DBeaver. • Used Git for version control to track and manage code changes. ### Lifeguard @ Great Wolf Lodge Jan 2017 – Jan 2021 | California, United States • Ensure the safety of approximately 200 patrons per shift year-round. • Respond quickly to emergency situations and administer first aid. • Communicate and enforce rules and regulations of the attractions. • Collaborate with 40 staff members to promote and foster a fun, family environment. ## Education ### Bachelor of Science - BS in Computer Science University of California, Davis ### Associate of Science - AS in Mathematics and Computer Science Orange Coast College ### Associate of Science - AS in Nursing Golden West College ### High School Diploma Garden Grove High School ## Contact & Social - LinkedIn: https://linkedin.com/in/vhangsan --- Source: https://flows.cv/veronicahangsan JSON Resume: https://flows.cv/veronicahangsan/resume.json Last updated: 2026-04-01