Zhenhua Zhang

Big Data Director @ Trip.com Group

About

I am currently a senior software engineer at air-ticket R&D Dept. of Ctrip Inc. I received my Ph.D. from University of Chinese Academy of Sciences doing research on massive social media data retrieval, storage, spatio-temporal/data mining analysis and visualization. I also held B.E. from University of Science and Technology of China, majoring in Computer Science. Within my Ph.D Program, I had conducted research on CyberGIS for 15 months at National Center for Supercomputer Applications, University of Illinois at Urbana & Champaign. As to technical backgrounds, I am familiar with 1.big data technology and production experience, in detail including Hadoop ecosystem products( e.g. hdfs/mapreduce/yarn/hbase/hive/oozie/ spark),Sqoop, Kafka, ElasticSearch; 2. data mining algorithms and practical experience; 3. data structure&algorithm design and performance tuning; 4. web app development including both back-end and front-end side,e.g. Jsp/Servlet, Spring, Mybatis, Axis2, concurrent processing, Jquery, HightCharts; 5. program languages, Java/Scala/JavaScript/Python/Shell/R

Country

China

City

Changning District

Industry

Information Technology & Services

Skill

Java, Scala 语言, Python, C, Big Data, Machine Learning, Linux, Apache Hadoop, Spark, Hbase, Hive, Kafka, MapReduce, PL/SQL, ElasticSearch, Esper, Database, NoSQL, Spring Framework, jQuery

Experience

Big Data Director

Trip.com Group

2020-6 - Present · 6 yrs 4 mos

中国上海

Manager of Business Intelligence/ Software Technology Expert

Trip.com Group

2018-1 - 2020-6 · 2 yrs 6 mos

Shanghai, China

1. Led the data warehouse team of Air Ticketing Business Unit, building sophisticated data warehouse infrastructure to serve various kinds of data applications, data reports, ad-hoc data retrieval with purpose of analysis 2. Investigated solutions to optimize current data flow performance and data flow development efficiency

Senior Software Engineer

Trip.com Group

2015-6 - 2018-1 · 2 yrs 8 mos

中国上海

1.led a small team to build stability monitoring system for Ctrip flight ticket production environment via various kinds of real-time commit log aggregation and analysis, creating models for early detection and near-time prediction of system malfunctions, establishing sophisticated framework for easy integration of new monitoring indicators 2. set up BI infrastructure, including technical stack discussion and performance testing, software/tool deployment, big data solution/framework design and development, solution service publishing

R&D Intern

Trip.com Group

2014-7 - 2015-6 · 1 yr

中国上海

1.Designed, Implemented and Optimized the data monitoring system from scratch by taking Kafka to collect commit logs from various sources, implementing consumers to pull data from Kafka to Esper Engine and performing real-time anomaly detection and periodical data aggregation 2.Took charge of big data testing platform deployment, technology investigation(e.g. Hadoop, Spark, Storm, Tez, Kafka, Hbase), demo development and application system setup

R&D Intern

IBM

2013-12 - 2014-6 · 7 mos

中国北京

developped of a customized version of IBM DB2 Replication Center, in order to improve the operational efficiency for DBAs by providing batch operations support

Visiting Research Scholar

University of Illinois Urbana-Champaign

2013-3 - 2013-9 · 7 mos

NCSA, Urbana-Champaign, Illinois Area

1.Conducted research on social media data retrieval, analysis and visualization, leveraging Twitter data to detect flu risk and find patterns for flu transmission 2.Participated in FluMapper sub-project belonging to CyberGIS project, which is funded by NSF and is aiming to build a integrated/distributed platform to solve data-intensive and computation-intensive location-based problems

Visiting Ph.D. Student

University of Illinois Urbana-Champaign

2011-3 - 2011-12 · 10 mos

Urbana-Champaign, Illinois Area

Conducted location-based flow visualization research Took responsibity for the internal collaborative platform development and maintenance

Research Assistant

Computer Network Information Center (CNIC), CAS

2008-1 - 2011-3 · 3 yrs 3 mos

Beijing

Participated in serveral research projects(e.g. Air Quality Monitoring System During Beijing Olympics, Experimental Device Management System, Weather Data Collection and Distribution System, Analysis of CN DNS log, Personalized Recommendation System for Academic Resource), accumulated projects experience and related technology, as time went on, my role in projects Changed from task/module implementer to framework designer/technical roadmap stakeholder .