Director of Software Development, 2021 ~ 2023* Led 1 personal recommendation engineering team + 1 content promotion engineering / algorithm team, 35 people * Designed & developed the next generation personal recommendation system for Hulu/Disney+* Responsible for the daily development, operation and maintenance, cost reduction and efficiency improvement of Hulu's existing personalized recommendation system* Led the requirement formulation, architecture design, engineering implementation and algorithm research of new content promotion system for Hulu/Disney+.* Fostered a scientific, efficient, transparent and cooperative team culture.* Organized Hulu Beijing's cultural discussion and led the formulation of Hulu Beijing's corporate culture.Sr Manager of Software Engineering, 2016 ~ 2020* Led architecture design, implementation, algorithm research of Hulu's new content promotion system. * Improved TPV (Titles Per Visitor) of the entire site nearly 2%, * Improved local (new content dedicated position) TPV, and HPV (Hours Per Visitor) over 50% and 40% respectively. * Optimized cold start scenarios for new Hulu users. Improved new Hulu user's HPV by 1.8%* Built Hulu's search experience for all-platforms, mobile apps, Web, and living room devices (various set-top boxes, smart TVs, game stations)* Built Hulu’s voice control experience (based on Amazon Alexa solution)

* Built 2 teams for amazon.cn store (1 mobile team + 1 identity team + 1 TPM + 15 developers)* Focused on improving mobile shopping experience of amazon.cn * Built Wechat login service for amazon.cn (web + mobile apps + Kindle). The solution was expanded to global * Redesigned amazon.cn Home, reducing page loading latency, while improving discovery efficiency. The sales of the whole site increased by 5M yuan/year in A/B. * Added lower-navigation bar for amazon.cn shopping apps. The sales of the whole site remained flat, while user activities increased 2.3% in A/B. * Redesigned shopping cart experience for amazon.cn mobile web and apps. The sales of the whole increased 35M yuan/year in A/B.

2014/04 ~ 2014/08, Dir of Dev* Built Norton Zone (a DropBox like service) team in (1 mobile team, 1 windows team, 1 QA team, 2 PgM, totally 44 people)2010/08 ~ 2014/04, Sr Mgr of Dev* Built Norton mobile team in Beijing and Chengdu (13 developers + 2QA) * Built Norton Mobile Security (NMS) — Symantec’s mobile security solution for consumers and enterprises.* Cultivated innovative culture. the team contributed 2 innovative projects and filled 4 patents. * Awarded as LED manager (5% of all managers in Symantec)

Manager of Dev (09/2009 ~ 12/2009)* Built DRONE for Motorola factories— a system to test mobile phone’s HW in manufacture. Team Leader / Principal Software Engineer (2006/07 ~ 2009/08)* Designed & built multimedia engine / mid-ware for Motorola’s linux-java based phones. Senior Software Engineer (2004/05 ~ 2006/06)* Built multimedia engine & mid-ware for Motorola’s Linux based smart phones, including 3GPP progressive download, RTP/RTSP video streaming, H.324 video conference，CMMB（China Mobile Multimedia Broadcast）* Integrated & optimized MPEG4, H.263, AMR, MP3, WMA, AAC, JPEG, encoder/decoder plugins* Integrated & optimized Helix (RealNetworks.com multimedia engine) & gStreamer (GNU’s open source multimedia framework) to Intel Xscale platform