Chih Kai Yu

I've been working as a server-side engineer for 1 year and I also have 1 year DevOps experience before. My team has been fought with a huge legacy code base since 2018/3. Our job is that maintain and migrate a DSP (Demand Side Platform for digital advertiser) server which receives 20k QPS at peak. Besides, we also have to deal with data pipeline which writes in PySpark.

Software Engineer
[email protected]

Work Experience

宇匯知識 Bridgewell, Software Engineer, Mar 2017 ~ Present

- Design image proxy that fetches and resizes 1.5 million images every day
- Refactor DSP bidder which serves 20K QPS for enhancing model quality
- Build pixel server to receive data for improving data pipeline quality
- Maintain GitLab and integrate GitLab CI with existing system for speeding up development
- Integrate Prometheus with current production system for reducing maintenance effort
- Setup and monitor CDN

HopeBay Technologies, Software Engineer, Nov 2016 ~ Mar 2017

Survey and build ELK stack

HTC, Summer Intern, Jul 2015 ~ Aug 2015

Support for porting CTS from older version to latest version.
Survey Android testing framework - Espresso

National Taiwan University, Teaching Assistant of Data Structure and Algorithm, Feb 2015 ~ Jun 2015

Answer classmates questions, and mark the homework.

National Central University

CSIE Softball, Captain, Jan 2011 ~ Jan 2012


National Taiwan University, Master of Science M.S. Computer Science, 2014 ~ 2016

National Central University, Bachelor of Science B.S. Computer Science, 2010 ~ 2014

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