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Georgia Tech

UPenn

National Taiwan University

Software Engineer

Yu-Ho Hsieh

FACEBOOK

Network infrastructure security engineer

- Built a high performance DNS proxy service which supports DNS over HTTPs/TLS and serves Facebook IOS mobile user, expects over 100K QPS globally 
- Built a large scale secure proxy cache system which offloads sensitive data from PoP (point of present) to data center, and secures connections through TLS 
- Responsible for developing data center host-level firewall leveraging Express Data Path (XDP) bpf program
- Experience in network stack, HTTPs, DNS, BPF program

. Developed a Full-Stack React component inspection tool for web apps 
 	 from scratch, which shows FACEBOOK speciﬁc component information such 
 	 as name, development history and owners 
 	 . Delivered reusable page components which applied AJAX to improve user 
 	 experience and page loading performance from 10s to 3s 
 	 . Designed database schema to store logging track record, implemented 
 	 JavaScript module bootloader which reduces unneeded data transmission 
 	 and prevents data leaking, designed plugin system for better tool extensibility

Software Engineer Intern

. Implemented different map-matching algorithms designed and 
 	 implemented a comparison application tutorial 
 	 . Researched several Computer Vision techniques such as image 
 	 segmentation, clustering and statistics analysis to evaluate and quantify 
 	 the severity of the lung disease using HRCT images

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