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1

big data engineer

  • Responsible for data processing(ETL) and device risk analysis for over 4 million terminal in the Ministry of Public Security, which deals with the virus attack, network flow, business system access data on DataWorks of Alibaba Could Platform during the year Nov.2017 to  Feb. 2019
  • Worked as a big data analyst using Scala on Spark platform analyzing our own company’s data, which includes browser history, software use (developing tools, chatting, gaming) data during the year of  May.2017 to Nov.2017.
  • Worker as a big data model developer using Java programming language on the Hadoop platform to analyze user’s computer data, which also includes business system access during working hour and after work hour data and their key’s data( used to access business system). Finally, We caught more than 10 people stolen data from the business system during the year of Oct.2016 to May.2017
  • Started with building the testing cluster environment of Big data platform in the company, includes Hadoop, Hive, Elsticsearch, and Spark during the first month in the company during the year of Sep.2016 to Oct.2017
2

big data engineer

  • Implement Java (map-Reduce) based process to cleanse the data before the indexing of the data.
  • Implemented Hive queries as a part of QA automation.
  • Implemented Python based program to enrich the data.
  • Setting up new cluster on Amazons Web Services (AWS) and maintaining for any issues.
  • Taking regular backup of the Indexed data on Amazon’s S3.
  • Transferring data from one cluster to another. 
  • Writing Hbase queries to retrieve the data for other teams.
3

big data engineer

  • Designed and built data processing pipelines using tools and frameworks in the Hadoop ecosystem
  • Designed and built ETL pipelines to automate ingestion data and facilitate data analysis
  • Built Streaming services including Window Processing using Flink
  • Built Batch services including customized transparent Thrift-Server on data stored on HDFS and Cassandra using Spark
  • Designed the Kafka Topic-partition and Cassandra schema regarding the processing criteria
4

senior big data engineer

  • Founding member of Consus R&D team to build data infrastructure event streaming for 800 million users per month
  • Led the organization-wide effort to make data lineage, data modeling standardization, and data dictionary.
  • Implementation of data ingestion in Apache Cassandra. 
  • Daily Updates to the Director on the progress of development and tasks assigned.
5

big data engineer

  • As a BigData Engineer, responsible for the development and support of big data projects including requirement analysis and cross-functional team interactions. 
  • Currently taking care of multiple application build for Barclaycard Business on Cloudera Hadoop ecosystem 
  • Taking handover of new application coming in production from Dev Team.  
  • Support live services (Incidents, Problem, change Management). 
  • Development and deployment of the code of the new project.  
  • Working with the Admin team for patching and CDH upgrade activities. 
  • Status reporting of application in BAU to stakeholders.