• Maintained a medical simulation support system with PHP and Laravel, delivering 2000+ classes annually at 11 satellite sites, subscribed by leading medical centers including Johns Hopkins, MD Anderson, and UCLA.• Implemented single sign-on feature integrated with Azure AD via Federation API, using OAuth and role-based access control for secure authentication and authorization.• Built an event-driven email system using Mailgun, automating role-tailored notifications triggered by… Show more • Maintained a medical simulation support system with PHP and Laravel, delivering 2000+ classes annually at 11 satellite sites, subscribed by leading medical centers including Johns Hopkins, MD Anderson, and UCLA.• Implemented single sign-on feature integrated with Azure AD via Federation API, using OAuth and role-based access control for secure authentication and authorization.• Built an event-driven email system using Mailgun, automating role-tailored notifications triggered by various events.• Designed bulk user import via Excel, using AWS S3 for template storage and Eloquent ORM to manage MySQL CRUD, replacing manual input and saving hundreds of hours with 0 errors.• Monitored performance with AWS cloudwatch metric and dashboard, detecting 15% latency and error issues before reports. Show less

• Collaborated with Supply Chain team on A/B tests for inventory distribution, visualized with Power BI, leading to strategy changes that reduced stockouts by 10%, and presented dashboards as best practices to the Japan team.• Trained 3 employees with my documentation in an Agile methodologies, smoothly transitioning tech work to new manager.