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Justin Lin
Software Engineer
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Location: San Francisco Bay AreaApprox. Years of Experience: 14
Justin Lin's Current Workplace
Facebook
Company Size
2500+
Amount Raised
$26.1B
The Facebook company is now Meta. Meta builds technologies that help people connect, find communities, and grow businesses. When Facebook launched in 2004, it changed the way people connect. Apps like Messenger, Instagram and WhatsApp further empowered billions around the world. Now, Meta is moving beyond 2D screens toward immersive experiences like augmented and virtual reality to help build the next evolution in social technology. We want to give people the power to build community and bring the world closer together. To do that, we ask that you help create a safe and respectful online space. These community values encourage constructive conversations on this page: • Start with an open mind. Whether you agree or disagree, engage with empathy. • Comments violating our Community Standards will be removed or hidden. So please treat everybody with respect. • Keep it constructive. Use your interactions here to learn about and grow your understanding of others. • Our moderators are here to uphold these guidelines for the benefit of everyone, every day. • If you are seeking support for issues related to your Facebook account, please reference our Help Center (https://www.facebook.com/help) or Help Community (https://www.facebook.com/help/community). For a full listing of our jobs, visit http://www.facebookcareers.com
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Notable Investors
PayPal, Microsoft, Accel, Tiger Global Management, Global Founders Capital
Software
Social Media
Social Network
Virtual Reality
Augmented Reality
Experience
Software Engineer
Facebook
Jun 2019 - Present
5 yrs 5 mos
2023.05 - now: IG Feed Core Modeling 2022.06 - 2023.05: Search Vertical Ranking to optimize models to drive search relevance and downstream efficiency. 2019.06 - 2022.05: Tech Lead on Marketplace E-commerce Ranking to leverage advanced deep learning technology and build personalized recommendation system
Yahoo
Jul 2013 - May 2019
Principal Software Engineer
Apr 2015 - May 2019
4 yrs 2 mos
2017.07 - 2019.05: Tech Lead of Gemini Search Matching team, responsible for search ads matching strategy, - Improve search ads revenue by leveraging various machine learning techniques, including GBDT model based phrase match, word2vec based embedding retrieval, variant canon and neural network based query rewrite, etc. - Build keyword matching platform to support cross-org use cases, includes news content rewrite, keyword targeting expansion, etc to help partner teams significantly improve their business metrics. 2015.04 - 2017.06 Tech Lead of budget management and pacing system, design and develop a highly resilient system to tolerate extreme system incidents and guarantee system stability and performance
Software Engineer
Jul 2013 - Mar 2015
1 yr 9 mos
Yahoo Gemini is the first unified marketplace for mobile search and native advertising, advertisers can optimize both kinds of ads spend in one place and achieve greater performance and higher impact for their businesses. - Key contributor of budget management system, which is built on Storm + Hadoop (lambda architecture), providing near real time pacing control for Yahoo Gemini ads system, keep the advertiser overspend within 0.5%
Software Engineer Intern
Microsoft
Nov 2012 - Feb 2013
4 mos
Design and develop a dashboard to monitor Data Sync pipeline, which provide a way to understand the pipeline's performance and help do next optimization. (C#, javascript)
Software Engineer Intern
Shanda Innovations
Nov 2011 - Jan 2012
3 mos
Education
  • 2010 - 2013
    Fudan UniversityMaster's degree, Data Mining
  • 2006 - 2010
    Tongji UniversityBachelor of Science (BS), Computer Science