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I am a Computer Science PhD and a former member of the Neural Network Research Group at the Department of Computer Science in the University of Texas at Austin. I am currently a Staff ML Engineer in the Content Quality/Trust and Safety team at Pinterest. I have experience on machine learning and information retrieval from academia and industry.
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Staff Machine Learning EngineerPinterest May 2023 - PresentSan Francisco, California, Us -
Manager, Ml EngineeringTwitter Jul 2022 - Apr 2023San Francisco, Ca, UsLed engineers in the Tweet Search team to develop, optimize, and maintain Tweet Search products, using cutting edge ML techniques. Key responsibilities include roadmap planning and execution, technical design and review, team building and growth, people and performance management, etc. -
Senior Machine Learning Engineer, Tech Lead (Tweet Search Ranking)Twitter Jan 2021 - Jul 2022San Francisco, Ca, UsTech Lead for the Tweet Search team, focusing on ML and ranking.Led cross-team projects for Tweet Search ranking model optimization, including content relevance modeling, engagement modeling, training pipeline automation, etc.
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Machine Learning EngineerTwitter Nov 2018 - Dec 2020San Francisco, Ca, UsRestructured and optimized the search ranking model training pipeline, achieving significant gains in key search metrics.Drove the UniRank project, which improved search Metrics consistently and simplified Tweet search logic.Participated in feature engineering for the health model to demote toxic content on Twitter Search.Main developer on multiple product-oriented projects, including ThereIsHelp (self-service messaging on Search Result Page), Soft Intervention on Search, domain experts and events promotion (for COVID-19 and others), Topics in Search prototyping, etc.
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Machine Learning Scientist (Intern)Talroo May 2015 - Aug 2015Austin, Tx, UsDesigned the Jobs2careers Occupational Classification System (JOCS).Participated in the development and optimization of JOCS.Served as machine learning consultant in the design of volume - CPC (cost-per-click) prediction engine. -
Machine Learning Scientist / Project Manager (Intern)Jobs2Careers May 2014 - Aug 2014Austin, Tx, UsRecruited and supervised summer interns for the data processing project. Explored performance of various machine learning techniques (Decision Forest, SVM, Bayesian Network, etc) in text-based occupational classification.Improved occupational classification performance by ensemble learning (AdaBoost).
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Software EngineerJobs2Careers Jan 2013 - Jun 2013Austin, Tx, UsParticipated in the design of J2C search engine library based on Apache Lucene. Implemented key components of the library including: dictionaries, postings, partitions, indices, query parsers, searchers, and rankers. The library served as the foundation for J2C's 2nd generation search engine.
Xun Li Skills
Xun Li Education Details
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The University Of Texas At AustinMachine Learning -
University Of Illinois Urbana-ChampaignComputer Science
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Tsinghua UniversityElectronic Engineering
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Beijing No.4 High SchoolHigh School Diploma
Frequently Asked Questions about Xun Li
What company does Xun Li work for?
Xun Li works for Pinterest
What is Xun Li's role at the current company?
Xun Li's current role is Staff ML Engineer at Pinterest, ex-tweep, UTCS PhD.
What is Xun Li's email address?
Xun Li's email address is xu****@****ter.com
What is Xun Li's direct phone number?
Xun Li's direct phone number is +121741*****
What schools did Xun Li attend?
Xun Li attended The University Of Texas At Austin, University Of Illinois Urbana-Champaign, Tsinghua University, Beijing No.4 High School.
What skills is Xun Li known for?
Xun Li has skills like Machine Learning, C++, Java, Python, C, Matlab, Data Mining, Computer Science, Algorithms, Latex.
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