SUMMARY

• Adaptive IT Professional with 5 years experience. Worked with Staples - HQ, State Farm Insurance and EuroClear-Belgium.
• Hands on experience in Java/J2ee/RestFul-APIs development.
• Experience to capture JMX (metrics) information from applications like Blueflood, Cassandra and WebSphere.
• Developed and Enhanced Java applications which helped to set up DevOps environment.
• Experience with Linux environment. Developed Bash Scripts to automate the deployments.
• Worked with MySql and NoSql-Cassandra database. Dealt extensively with Java Collections.
• Enhanced Golang applications (Metric Query Engine) which helped in effective monitoring.
• Experience with Build, Release and Deploy management. Followed process methodologies like Waterfall and Agile.
• Performed on call support activities and dealt with real time production problems.
• Worked on Big Data - Hadoop, Hive, Sqoop, R, Python which helped Staples internal customer care.
• Strong knowledge in Cloud Computing concepts. Worked on Zephyr and Microsoft Azure cloud environments.

SKILLS

Platforms: CentOS, RHEL, Ubuntu, Windows

Programming: Java, J2EE, UNIX Shell Script, SQL, HiveQL, C, C++, R, Python

Tools: JIRA, Maven, Log4j, Stash, BitBucket, Git, HPSM

Software : Eclipse, Code Blocks, Blueflood, Metric Query Engine, Grafana, Jolokia, RStudio

Web Technologies : Restful-API, JSON, Embedded Jetty, Tomcat, Servlet, JSP, Javascript, JSF, HTTP, XML, CSS

Databases : RDBMS - MySQL, MsSQL and NoSQL - Cassandra

Big Data : Hadoop, HDFS, MapReduce, Hive, Sqoop, Flume, RHadoop, Pig

Methodologies : Agile, Waterfall

PROFESSIONAL EXPERIENCE

Global Technology Intern/Java Developer

• Helped in setting up a Real Time Monitoring environment by developing Java programs, building Restful-APIs, enhancing and integrating open source tools.
• Designed and implemented Restful-APIs using Java, Servlet, Jolokia (Http Bridge) and Embedded Jetty to capture JMX (metrics) of Blueflood and Cassandra.
• Designed and implemented Java Threaded Restful-API with Servlet, SOAP communication, Embedded Jetty and log4j-Slf4j logging for WebSphere application.
• Analyzed and performed enhancements in Java application - Blueflood (Open source tool by Rackspace Monitoring).
• Build the Java enhancements performed with the help of Maven and push to Version management tool BitBucket.
• Developed adapter programs in Java to find the Health Status of RTM applications.
• Coded Java program to find pending processes in Blueflood application by connecting to Cassandra database using Datastax.
• Created Java program to clean tables in Cassandra database using Datastax.
• Created test environment for the developed and enhanced Java tools by integrating all RTM tools Blueflood, Cassandra, Metric query engine, Grafana.
• Developed Bash scripts to start RTM applications and activate the load balanced applications by changing their health status.
• Performed load testing on Blueflood and Cassandra before pushing to production environment.
• Our project RTM has achieved more than million successful hits to the database by just integrating open source tools.
• Followed agile methodology in the project for developing applications.
• Logged, raised and cleared various tickets in JIRA for the issues and day to day tasks.
• Documented analysis on RTM tools Blueflood, Grafana, and Metric Query Engine in Staples internal pages.

Environment: Java, Cassandra, DataStax, RHEL, Shell Scripting, RestFul-API, JSON, Blueflood, log4j, Maven, Stash, BitBucketJMX, JIRA, Embedded Jetty, Tomcat, Servlet, Metrics Query Engine, Grafana, Jolokia, JSP, HTTP, WebSphere, GoLang, Node.js

Member of Big Data Research 

• Pull Twitter data into Hadoop framework using Flume and load to Hive tables for simple analytics.
• Compared MySql and Hive tables for the performance on huge amounts of data.
• Finding hot trending topics in Facebook by the help of R.
• Built tag clouds for the hot trending topics from the Twitter feed in R.
• Integrated R with Hadoop (RHadoop) to do analytics and report generation on the data present in HDFS.

Environment: Java, Hadoop, HDFS, MapReduce, Hive, Sqoop, Flume, R, RHadoop, Pig, Shell Scripting

Associate Consultant/Software Engineer 

• Performed development activities for Euroclear post trading environment with unit, system and regression testing.
• Mentored a team of fresher’s in successful knowledge transmission on Telon an internal tool.
• Eliminated performance issues in system by finding modules that have slower processing and excessive memory consumption.

Environment: Telon(internal tool), COBOL, JCL, DB2

Systems Engineer/Junior Developer

• Performed maintenance activities by handling priority (I, II & III) incidents (Bug Fixes) and requests (Problem Tickets).
• Logging all the tickets in the HPSM tool for future reference.
• Testing and pushing the Javascript code for front end change requests received.
• Setting up test environment to perform the enhancement activities.
• Developed Java classes for the State Farm auto insurance back end modules.
• Received customer appreciations for the solutions provided which improved State Farm auto insurance business.
• Analyzed the system for the root cause for the problem tickets raised and performed various code fixes.
• Handled requirement gathering, development and enhancements with unit, system and regression testing for huge data.
• Assisted in sun setting databases for existing applications which helped in migration.

Environment: Core-Java, JavaScript, HPSM, HTML, XML, CSS, Tomcat, COBOL, JCL, DB2, PL1, IMSDB