SUMMARY:

• 8+ years of experience in Object Oriented Design, Modeling, SOA, Programming and Testing of Hadoop, Java, J2EE & Relational Databases.
• Experienced all phases of software development life cycle (SDLC).
• Write a lot of Hive queries and schedule them as jobs using Apache Airflow.
• Create custom UDF’s using Python and Java for Hive
• Wrote data queries (Oracle, MySQL & PostgreSQL) involving stored procedures, triggers, functions and indexes that helped optimize data retrieval for Confidential and Yes Mail
• Wrote data queries for NoSQL database (Cassandra) to understand the customer’s interaction with Confidential ’s online banking system.
• Transport customer data using java messaging system using ActiveMQ and IBM WebSphere MQ for Well Fargo and Confidential .
• Deployed applications to application servers (Tomcat, WebLogic, WebSphere, Jboss and Glassfish).
• Deployed Hive jobs in Airflow using Python
• Hands on experience in working with Splunk for Confidential
• Analyze online banking log data to find transaction errors
• Created multiple dashboards in Splunk for monitoring teams in Confidential
• Configured multiple Splunk alerts for critical error
• Maintained a multi - threaded application to screen potential customers for Confidential Lending Application
• Active programming in Python and Shell scripting
• Experience in handling various file formats like Avro, Parquet and ORC
• Wrote test automation project using Selenium Webdriver with Java on a TestNG framework.
• Wrote unit test cases for Java code and UDF’s using JUnit
• Used SoapUI and JMeter for testing services and run load tests
• Well versed in Agile Scrum methodologies and active participator of various aspect of Agile Methodologies such as requirement gathering, story grooming, daily startups, sprint planning and in using tools like Jira and Confluence
• Expertise in developing middleware technologies like SOAP and RESTful Web Services using Apache CXF framework
• Proficient in developing web applications and server side development using spring, Hibernate and Struts frameworks
• Experience with job scheduler technologies like AutoSys
• Experience in using version control system like Subversion, Git and Perforce

TECHNICAL SKILLS:

Programming Languages and Web Technologies: Java, Python, Php, Groovy, Scala, SQL, Unix Shell ScriptingHTML5, JavaScript, Servlet, JSP, SOAP, XML, RESTful Web Service, Bootstrap

Hadoop Ecosystem and Frameworks: MapReduce, PIG, Hive, HBase, Spark, Sqoop & Flume

Monitoring Tools and Other Tools: Struts 1.2, Spring 3.0, Hibernate 4.3, Spring Batch 2.0, JUnit, TestNG, Selenium, Flask

Relational Database and NoSQL Database: Oracle 10g, MySQL 5.0, PostgreSQL 8.2.12Cassandra, MongoDB, HBaseIntroscope, Splunk, Nagios, Cacti, Ganglia, Site scope, AutoSysAirflow, Maven, Jenkins

PROFESSIONAL EXPERIENCE:

Confidential, Oakland, CA

Big Data Analytics Consultant

Responsibilities:

• Write hive queries for enterprise analytics project.
• Write UDF’s in python for hive
• Schedule hive jobs through airflow.
• Propose solutions for complex business problems and implement approved solutions.
• Create plugins in airflow for monitoring the daily pipeline
• Responsible for maintaining stage, QA and Prod environments.
• Fix bugs related to project
• Optimize hive queries for better performance.

Analyst

Responsibilities:

• Web services Team lead for online banking of Confidential .
• Worked on Java, Web Services, Messaging, Cassandra, Pig and Hive.
• Participated in analysis, finding impacts & providing solution.
• Involved in review meetings with Business Analysts and team members
• Developed REST and SOAP services using spring and CXF framework.
• Involved in migrating rules from Drools to Groovy.
• Developed application to analyze customer data using Hive on Horton works platform.
• Worked with Avro data file.
• Write UDF’s in hive.
• Developed Hive Scripts for business & marketing teams for analysis.
• Fine tuning Hive queries for better performance.
• Developed application for extracting business events and wrote to Cassandra database using IBM WebSphere MQ.
• Exported data to relational database from HDFS using Sqoop for BI team to extract reports.
• Created and updated JIL files to schedule batch jobs in AutoSys.
• Configured alerts and created dashboards in Splunk to monitor the application.
• Involved in severity calls when paged and worked with multiple teams to bring issue to closure.
• Involved in development of a monitoring tool.
• Create dashboards and alerts in Splunk for monitoring the online banking application
• Documented the learnings, issues, understandings and working of applications in SharePoint or Confluence and provided KT to the team.

Application Software Engineer

Responsibilities:

• Worked on Java, Web Services, Messaging and Routing.
• Developed services for validating new mortgage customers.
• Fix bugs in production.
• Involved in review meetings with Business Analysts and team members.
• Developed SOAP based web services as part of Lending Grid framework.
• Developed applications using ActiveMQ for retrieving the messages and Apache Camel for routing the messages to the specific database or filesystem.
• Wrote test cases using Junit and Mockito.
• Worked on migration project of migrating most of the services from WebLogic server to Tomcat application server.
• Configured and used Jenkins with SVN to automate the build and deploy process.
• Involved in team meetings to understand the requirements and go through functional specifications.

Support Engineer

• Developed REST services for email marketing
• Involved in team meetings to understand the requirements and go through functional specifications
• Tested the services using SoapUI
• Fixed issues reported through Jira or Request Tracker
• Developed a web based tool for importing data from users’ desktop into the enterprise application
• Wrote selenium scripts to automate regression testing
• Worked on POC involving Hudson & Jira to implement CI and CD
• Involved in severity calls and work with multiple teams to bring issue to closure

Analyst

Responsibilities:

• Middleware support for NBC Universal.
• Worked on server outages and resolved them.
• Monitored server alerts and worked on Kintana tickets