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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv="X-UA-Compatible" content="chrome=1">
<link rel="stylesheet" type="text/css" href="stylesheets/resume.css" media="screen">
<style>
/* Based on http://mrmrs.io/links/ */
a, a:link, a:visited {
transition: color .4s;
color: #265C83;
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a:hover {
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a:active {
transition: color .3s;
color: #007BE6;
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<title>Zeymo.GitHub.io by Zeymo</title>
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<body class="index black mw7 mw-100-print sans-serif lh-copy">
<header class="pal">
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<h1 class="f2 ttu lh-title mvn">王子默</h1>
<!--<h2 class="f4 ttu lh-title book mvs">Senior Java Software Engineer</h2>-->
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<main class="phl ptn pbl">
<p class="mvn mhn f5 lh-copy"><a href="mailto:zeymo.wang#gmail.com">zeymo.wang@gmail.com</a> <br class="dn-ns"/> <a
href="tel:+86 13486197696">+86 134 8619 7696</a></p>
<p class="lh-copy mbn">Java/Go Software Engineer</p>
<h2 class="lh-title ttu book silver">Articles and Presentations</h2>
<p class="mvn lh-copy">Articles</p>
<ul class="mvs lh-copy">
<li><a href="http://www.infoq.com/cn/articles/meili-11-11">蘑菇街11.11：移动流量猛增，如何设计高并发多终端的无线网关</a> (<span><a href="https://developer.aliyun.com/ebook/read/2305">slides</a></span>)</li>
</ul>
<ul class="mvs lh-copy">
<li><a href="https://dzone.com/articles/rsocket-vs-grpc-benchmark">RSocket vs. gRPC Benchmark(reproduce with permission)</a></li>
</ul>
<h2 class="lh-title ttu book silver">Experience</h2>
<h3 class="lh-title mbn mtm">Dingtalk@AI-Development-Platform Architecture</h3>
<p class="mvn lh-copy"><strong>Java/Python Staff Engineer</strong> - Apr 2023 to present.</p>
<ul class="mvs lh-copy">
<li>负责 DingAgent Studio 和 DingAgent Action 的多租户多版本和高可用架构</li>
<li>多租户和多版本架构作为协议标准支撑DingAgent所有接入业务,使其可以被安装在各个场域/主体</li>
<li>DingAgent Action 国内首创的实现了企业级人名实体识别(NameGrounding)和时间实体识别(TimeGrounding)能力.前者打通各个场域的找人问题,让业务数据更快的流转起来.后者提供了比大模型更加稳定的时间服务</li>
<li>DingAgent Action 基于openAPI 3.0 规范扩展支持 HTTP、Stream、MCP、RPA及DingAgent各种高级特性</li>
<li>深度打磨了日程助手和全网搜索两个高可用技能,攻坚多个技术和体验难题,成为 DingAgent Action 的标杆案例</li>
<li>打造第一款企业助理「钉博士」,为企业提供专属门户和高频技能(找人、找应用、找制度 etc),是前线共创的首推AI产品</li>
<li>深度参与 DingAgent Planning 的演进和共建,对上下文工程、CoT&ReAct、路由准确性和可干预性、LUI&GUI结合有深度实践和思考</li>
</ul>
<h3 class="lh-title mbn mtm">Dingtalk@Open-Platform Architecture</h3>
<p class="mvn lh-copy"><strong>Java/Golang Staff Engineer</strong> - Apr 2022 to Apr 2023.</p>
<ul class="mvs lh-copy">
<li>开放平台基础架构PaaS负责人.推进统一应用模型和用户委托权限(User Delegated Permission)上线,领域模型支撑所有开放业务(机器人、酷应用、小程序 etc),安全水位对其业界SOTA</li>
<li>开创性的推出Stream内网穿透模式, 五零接入(零防火墙,零代理服务.零域名,零证书,零IP)，普惠AI助理/机器人/卡片回调等业务大幅降低业务融合门槛(1d->1h),提高服务安全性</li>
<li>落地定制扩展平台,支撑开放和专属扩展点管理和定制,其中文件三色管控成为专属服务主推能力</li>
</ul>
<h3 class="lh-title mbn mtm">Dingtalk@JCPT-Platform Architecture</h3>
<p class="mvn lh-copy"><strong>Java/Go Staff Engineer</strong> - Oct 2018 to Apr 2022.</p>
<ul class="mvs lh-copy">
<li>多集群(钉钉/IMPaaS/专有钉/其他私有化)五端(iOS,Andriod,Windows,Mac,智能硬件)多语言(Java/Golang)接入服务</li>
<li>支撑亿级在线千万QPS,1-5-10响应连续3年线上0故障;集团唯一官方IMPaaS,支撑全集集团100+业务(手淘、闲鱼 etc)及100+外部客户，营收 xxx w</li>
<li>钉钉第三代"两容两化"云原生单元化架构组成员,基础架构"两容两化"负责人,主导基础架构上云和互联互通方案,保障200wVIP用户容灾体验，容灾迁移能力历经多年双十一演练验证</li>
<li>钉钉云端一体研发框架负责人,支持LWP(钉钉私有协议)、gRPC、QUIC、RSocket、Triple等多协议多云互通,大幅提高研发和运维效率,成为钉钉云原生底座</li>
<li>协议/网关性能优化,提升180%/110%,单DAU成本下降70%;弱网环境IM发消息成功率(95%->99.9%)和音视频5秒响铃率,均大幅优于竞品</li>
</ul>
<h3 class="lh-title mbn mtm">Mogujie.com@Meili-inc Wireless Platform</h3>
<p class="mvn lh-copy"><strong>Java/Go Senior Software Engineer</strong> - April 2016 to 2018.</p>
<ul class="mvs lh-copy">
<li>统一接入和端到端网关架构师，基于HTTP/2协议设计多端双工的长连接协议.</li>
<li>网关整体相比HTTPS,建连成功率提升40%+,响应时间提升1x,请求成功率提升10%+;与nginx在长连接场景性能基本持平,在特殊场景下有20~30%的提升,开发效率提升10x;内部替换nginx.</li>
<li>基于TLS 1.3 draft实现0-RTT的轻量级TLS协议.</li>
<li>负责面向多端的服务端框架,服务发现,配置中心等Golang中间件实现.</li>
</ul>
<h3 class="lh-title mbn mtm">Taobao.com@TaobaoPlus&闲鱼&拍卖&消保</h3>
<p class="mvn lh-copy"><strong>Java Software Engineer</strong> - April 2010 to March 2016.</p>
<ul class="mvs lh-copy">
<li>负责人GC-Free高性能搜索引擎的缓存和RPC模块,Hybrid native工程师.</li>
<li>负责闲鱼异步化改造.</li>
<li>负责大拍卖技术,司法拍卖初创团队.年度最佳项目</li>
<li>负责全网消保二代架构.</li>
</ul>
<h2 class="lh-title ttu book silver">Education</h2>
<p class="mvn lh-copy"><strong>Software Engineering, B.S.</strong> Zhejiang University of technology. Fall 2005 - Spring 2009.</p>
<h2 class="lh-title ttu book silver">Proficiencies</h2>
<p class="mvn lh-copy"><strong>Code</strong>: Java,Golang,Python .etc.</p>
<p class="mvn lh-copy"><strong>Software</strong>: lots of Distributed-System related things.</p>
<p class="mvn lh-copy"><strong>Achievements</strong>: gPRC-go、quic-go contributor.</p>
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