• Migrated old Jenkins CI build server to GitHub Actions, improved project’s CICD flow with slack notification when error occurs. Reduced build time by 11%.• Developed impersonate as partner feature across multiple services for team members to make issue tracking or debugging more efficient and simpler. Resulted in a 26% decrease in issue resolution time.• Built new scalable and robust email service with AWS services using SQS, S3, Lambda, SES from scratch to replace legacy mail relay server.• Received feedback from mentors and manager commending my work, stating that I behaved more like a regular employee than an intern and demonstrated excellent communication skills.

• A dating app which matches users with their personal scores we obtain from a trained model. Uses React Native as front-end framework and Redux for global data and API management.• Led feature design and code review as scrum master and project manager, adopting agile development to replace the traditional waterfall cycle.• Refactored frontend structure, resulting in 30% faster data access and a better user experience.• Reorganized backend architecture to micro services, using grpc to communicate between services.• Increased cumulative user count by 166% from 6,000 to 10,000.

• Implement DDoS defense mechanism on a P4 switch. Mitigate malicious packets by parsing and analyzing each packetes the switch recieves. • Results lead to 266% more packets that can flow through the switch when DDoS defense mechanism is activated.