Big Data / Distributed systems principal developer, Hadoop, MapReduce, Hive, Tez, HBase, Kafka, Storm, Spark, Scala, Machine Learning, HDP, Core Java, J2EE, Hibernate, Spring, Web Services, REST, JQuery, Python, ETL, bash.

Big Data Spark Engineer @ Spark, Scala, GraphX, Machine learning, Data clustering, Fuzzy matching, AWS, EMR, Social profiles data From July 2015 to Present (6 months) San Francisco Bay AreaHive committer @ Focus on UDF and JDBC components From May 2015 to Present (8 months) Principal Big Data Engineer @ Hadoop, Hive, Tez, Spark, Spark SQL, Storm, HBase, AWS, Sqoop, Oozie From June 2014 to July 2015 (1 year 2 months) San Francisco Bay AreaPrincipal Big Data Architect @ Building distributed big data platform. Hadoop, HBase, NoSQL, Kafka, AWS, Java, Android From December 2013 to June 2014 (7 months) San Francisco Bay AreaSenior Software Engineer @ Open source development for Hive, Spark and Shark projects. From July 2013 to September 2013 (3 months) Senior Hadoop / Java Developer @ Hadoop, MapReduce, Hive, Java, SQL, HQL, Python, ETL From October 2012 to July 2013 (10 months) Senior Java Developer @ GWT, Ext GWT, Hibernate, Spring, Oracle, JSP, Cognos Report Studio, Weblogic, Drools, JAX-WS, integration with Documentum, Python, shell scripts From November 2008 to October 2012 (4 years) Senior Java Developer @ GWT, Ext GWT, Hibernate, Spring, Oracle, JSP, Cognos Report Studio, Weblogic, Drools, JAX-WS, integration with Documentum, Python, shell scripts From September 2008 to October 2012 (4 years 2 months) Senion Java Developer @ Core Java, Multithreading, jFreechart, J2EE, Spring, Hibernate, Oracle, Sybase From July 2007 to September 2008 (1 year 3 months) Senior Java Developer @ Java, J2EE, JSP, Struts, Spring, Hibernate, Oracle From March 2006 to June 2007 (1 year 4 months) Developer @ Java, Rational Robots, MS SQL Server, Query Analyzer From May 2002 to December 2004 (2 years 8 months) Business analyst / System analyst @ UML, Cockburn use cases, Documentum From May 2001 to April 2002 (1 year)

PhD, Mathematical economics, 4.0 @ Moscow State University of Railway Engineering From 2000 to 2005 Bachelor and Master, Computer Science, Mathematical economics, 4.0 @ Moscow State University of Railway Engineering From 1995 to 2000 Alexander Pivovarov is skilled in: Spring, Hibernate, Java Enterprise Edition, Java, Hadoop, JSP, Python, REST, Struts, SQL, Core Java, Ant, Oracle, GWT, PostgreSQL