Automation MySQL failover and slave to master promotion using serf cluster;redesign Chef roles and recipes for MySQL elastic cloud deployment;Implemented Web Based (R+Shiny) data analytics and reporting platform ;Day-to day using OpenStack, AWS, Chef, MySQL;Big Data reporting using Spark, MySQL, R+Shiny, hit maps, login maps.

Scaling traditional Databases into Big Data, ETL. Migrating applications to the cloud AWS or Google Compute Engine. Configuration and deployment management.CDH5: Hadoop, Pig, Hive, Impala, Sqoop, Flume, HDFS, Fuse, Big Data analytics, MapReduce, Spark, RDD, Java, Ruby, Scala, Heroku, GetBootstrap, Ruby Gems, Perl, Python, TCL, Bash, R, AspectJ, WebServices, Servlet,REST,SOAP,JavaScript, Ajax, J2EE, JDBC, EJB, JSP, PHP, CGI, Eclipse, C#, JCE, PGP, Java WebStart, AWK, SED, SSH, SCP, SFTP, PL/SQL, Transact SQL, XML, XSLT,DOM,SAX, HTML, CSS, ANT, Log4j, MSSQL, MySQL, PostgreSQL, Cassandra, ORACLE, DB2, Selenium, cURL, Expect, WinRunner, AutoIt, DAHDI, ImageMagic.

IPv6, discovery and configuration of network devices, switches, routers, Layer 2,3 switching, VLAN-aware Linux servers, multi-homing servers, high availability networks, enforcing linux security, clouds SLES, RHEL. Redundant connectivity, bonding network traffic shaping and balancing.Developing and maintaining existing code on Ruby, Perl, Java, SQL (MySQL, PostgreSQL).

Analysis and improvement of software and database performance in multi-server Linux based back end environment. Identifying bottlenecks in software components of a large softwareinfrastructure containing hundreds of proprietary servers and mysql 5 databases as database server.

Controlling changes, versions, branches, of the source code on Java and SQL and configuration for multi-server environment. Administration of multi server Linux + Windows based back end.

Database administrator, SQL Developer for MS SQL, MySQL and PostgreSQL, reporting of equities trading activity for ACT, OATS (aka finra), customer specific reports, export and import files.

While the company were in a start up mode I was all of the following in one: software developer, DBA, development team lead for a team of 5 developers as well as product manager to gather requirements for Back Office product we were developing.

Hands on developer and development team lead, Java, SQL.