Benjamin Kim Email & Phone Number

Seoul, Seoul, Kr

Datalake Implementation (Current Project)• System Design & Technical Lead• Open data science platform for all yield engineers and data scientists• All engineers get access to large scale distributed system and large dataYield Analysis Cluster Implementation• Build Cloudera Enterprise clusters from scratch (26 node ETL cluster, 6 node Oracle BDA Analysis Cluster, 6 node dev cluster)• Develop data pipeline using Oozie, Pig, and Spark ETL scripts• Design data governance using Active Directory, Kerberos, and Sentry• Design dynamic YARN resource allocation• Automate Cluster Scale-out System (Chef + PXE)

Seoul, Seoul, Kr

Coupang is no.1 social commerce company in Korea featuring discount coupons, daily deals, and local deals.Analyzed and Engineered E-Commerce and Web-log data.Churn AnalysisReduced churn rate from 15% to 10% in three months (1% reduction saves $2.5MM every month for Coupang)- Discover & visualize churn customers and their LTV- Predict churn customers- Predict churn customer half-life period- Report top reasons customers leaveAnonymous User AnalysisOpen new possibilities to serving anonymous mobile & web users. ROI not even calculable.- Identify anonymous users- Classify gender- Classify age- Detect highest visit time of day- Lead to new projects - push notification and product recommendation to anonymous usersPush Notification OptimizationImproved CTR of push marketing by 3%- Detect best time to contact each customer- Detect personalized products with highest purchase probabilityDigital Ad Optimization- Improved CTR of ad marketing by 2%- Recommend products with highest CTR and lowest CPI to the marketing team

성남시, 경기도, Kr

SK C&C provides IT services having its strength in telecom, energy, and SOC.Bigdata Software Engineer - MapReduce Processing Framework (similar to Amazon EMR) . “SKT Project of the Year” . Lead Software Developer - Telco Bigdata Warehouse System Development . develop ETL with MapReduce framework - Books and Music Recommendation System Development . data modeling & key design . optimize HBase clusterBigdata Platform Engineer: - optimize/monitor software such as Hadoop, NoSQL, Hive, Impala, and other applications - optimize/monitor infrastructures such as physical machines, virtual machines, and network - maneuver Ganglia, Nagios, Ambari, Puppet, PXE, Shell & Python scripts

Austin, Texas, Us

Formations is a Business consultation company (PR, marketing, and media production company).Digital Marketing- SEO, Web Analytics (GA)Software Engineer (Front & Backend)Cloud Application DeploymentPortfolios- allianceautogas.com- autogasforamerica.org- austinmusicweekly.com- thundercloud.com- javapura.com- compadre.com

Austin, Tx, Us

TMS Application Dev- Daily Excel Report Automation (VBA Macro)- SQL, Java, and JavaScript- Test Case Dev (QA)- Test Hand-held Devices

Bachelor Of Science (Bs), Computer Science

Education record