Si Young Mah is a Software Engineer II at VAST, with previous experience as a Software Engineer at CS Engineering and a Math Teacher at Irvine Unified School District. At CS Engineering, Si Young Mah utilized technologies such as React, Redux, Node, PostgreSQL, and Docker to enhance Codesmith's public site and internal tools, while optimizing SQL database methods for security and efficiency. Si Young Mah demonstrated skills in modernizing applications by transitioning to React Hook Form, actively contributed to TypeScript integration, and mentored engineers in the open-source community. Si Young Mah holds a Bachelor of Arts in Mathematics with a concentration in Cognitive Science from Williams College and a Single Subject Teaching Credential in Mathematics from UC Irvine.