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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"/><title>TimeBricks - AboutMe</title><style type="text/css"> * {margin:0; padding:0; text-indent:0; }
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</style></head><body><h1 style="padding-top: 3pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a name="bookmark0">Yu Zhao</a></h1><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a href="https://github.com/sizhitu" class="s1" target="_blank">[email protected] | g</a><a href="https://github.com/sizhitu" target="_blank">ithub.com/sizhitu</a></p><h2 style="padding-top: 9pt;padding-bottom: 2pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a name="bookmark1">Work Experience</a></h2><p style="padding-left: 5pt;text-indent: 0pt;line-height: 1pt;text-align: left;"/><h3 style="padding-top: 4pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Fork. Inc. <span class="p">2022/09 - 2024/01 </span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Principal Data Engineer & Data Analyst HangZhou, China</p><ul id="l1"><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">Data DevOps based on cloud Relational Database Service (RDS) - PostgreSQL 13.6, DBT, GCP, including real-time sync module, data modeling designing, implementing, testing & verifying and performance optimization</p></li><li data-list-text="•"><p style="padding-left: 14pt;text-indent: -9pt;line-height: 13pt;text-align: left;">Data architecture and data tech stack tradeoff</p><p style="padding-top: 1pt;padding-left: 14pt;text-indent: 0pt;text-align: left;">tools using: GitHub, dbt cloud, PostgreSQL, CI/CD ArgoCD, GCP, DBeaver, ES, Redis, MongoDB, DTS for CDC</p><h3 style="padding-top: 7pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Shanghai Carenet Telecommunication Co., Ltd. <span class="p">2022/04 – 2022/09</span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Data Analyst - Innovation Research Institute HangZhou, China</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">Data modeling and analysis research based on ZheJiang province mobile signaling big data, Collaborated with ZheJiang University and Provincial Bureau of Statistics.</p></li><li data-list-text="•"><p style="padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">Combine mobile signaling user trajectory data, using Postgis to calculate mobile distance position offset trajectory, optimize data processing process, big data modeling, analyze different group of people’s activity characteristics</p><h3 style="padding-top: 5pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">The Plant Co. Ltd. <span class="p">2021/08 – 2021/11</span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Backend Engineer - Department of System Development HangZhou, China</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">Based on GCP, FireBase, developing micro-service architechture of McDonald’s user activity tracing and custormer growth data workflow, optimizaing log chain tracing.</p></li><li data-list-text="•"><p style="padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">User activity indicator monitoring and data processing, message pushing, attracting and acquiring customers through traffic generation.</p><h3 style="padding-top: 5pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Hithink RoyalFlush Information Network Co., Ltd. <span class="p">2018/04 – 2021/08</span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Senior Database Developer - Database Department HangZhou, China</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">Writing PL/PGSQL function for bussiness data transformation, SQL review and optimization</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">Financial indicator monitor system developing, automization, ops data log analysis Based on LevelDB</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">PG paging optimization to solve the memory OOM bottleneck</p></li><li data-list-text="•"><p style="padding-top: 1pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">Commitment to data consistency, accuracy, and Real-time synchronous updating</p><h3 style="padding-top: 7pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Neusoft Corporation <span class="p">2014/08 – 2018/03</span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Junior Software Developer Xi’an, China</p></li><li data-list-text="•"><p style="padding-top: 7pt;padding-left: 14pt;text-indent: -9pt;line-height: 113%;text-align: left;">Social Security Insurance System data operation,financial and hospital related data transformation and processing in batches by writing Oracle procedure development , data quality assurance.</p></li><li data-list-text="•"><p style="padding-left: 14pt;text-indent: -9pt;line-height: 13pt;text-align: left;">Communicate with customers and deliver final results</p><h2 style="padding-top: 9pt;padding-bottom: 2pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a name="bookmark2">Open-Source Contributions</a></h2><p style="padding-left: 5pt;text-indent: 0pt;line-height: 1pt;text-align: left;"/><p style="text-indent: 0pt;text-align: left;"/><h3 style="padding-top: 4pt;padding-left: 5pt;text-indent: 0pt;line-height: 162%;text-align: left;">PostgreSQL Official Manuals Translation Volunteers <a href="https://github.com/postgres-cn/pgdoc-cn" class="s1" target="_blank">2019/11 – 2023/06 Contribute to PostgreSQL12, 13, 14 docs repo on GitHub - pg</a><a href="https://github.com/postgres-cn/pgdoc-cn" target="_blank">doc-cn</a></h3><p style="text-indent: 0pt;text-align: left;"><br/></p><h2 style="padding-top: 4pt;padding-bottom: 2pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a name="bookmark3">Education</a></h2><p style="padding-left: 5pt;text-indent: 0pt;line-height: 1pt;text-align: left;"/><h3 style="padding-top: 4pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">Inner Mongolia Agriculture University <span class="p">2010/09 – 2014/07</span></h3><p style="padding-top: 1pt;padding-left: 5pt;text-indent: 0pt;text-align: left;">B. Eng in Computer Science and Technology Inner Mongolia,China</p><p style="text-indent: 0pt;text-align: left;"/><h2 style="padding-top: 9pt;padding-left: 5pt;text-indent: 0pt;text-align: left;"><a name="bookmark4">Certificates</a></h2></li><li data-list-text="•"><p style="padding-top: 7pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">Second Prize in the National Highter Education Cup Mathematical Modeling Competition 2013.12</p></li><li data-list-text="•"><p style="padding-top: 7pt;padding-left: 14pt;text-indent: -9pt;text-align: left;">Oracle Certified Professional 2016.12</p></li></ul><p class="s2" style="padding-top: 38pt;text-indent: 0pt;text-align: right;">Last Updated on Oct 16, 2023</p></body></html>