SUMMARY:

• Over 11 years of experience in Information Technology Industry.
• Worked as a Big Data Architecture, Admin, Developer, Analyst, and Programmer in variety of industries.

TECHNICAL SKILLS:

Languages: Java, C#.

Hadoop Core: HDFS, MapReduce, YARN.

Hadoop ecosystem: Hive, Pig, Hbase, Sqoop, Flume, ZooKeeper, Oozie, Ganglia, Nagios, R, RHadoop, Mahout, Kafka, Storm, Spark, Solr, Banana, Drill, Knox, Tableau.

Hadoop Cluster: Setup, Chef, Installation, maintainance, Cloudera, Hortonworks, Apache Hadoop, Amazon EC2

Web tech: J2EE, Web Services, REST, HTTP, XML, Javascript, CSS.

Mobile Tech: MobileWeb.

Databases: HBase, Cassandra, MongoDB, Riak, Sql Server, MySQL, Oracle.

Web Servers: Web Sphere, Tomcat, Jboss.

Version Tools: Visual Source Safe, SVN.

OS: Windows, Linux/Unix.

Process: CMM, ISO, Agile.

PROFESSIONAL EXPERIENCE:

Confidential

Big Data Solution Architect

Environment: HDP, Hadoop, HDFS, Map Reduce, Hive, Flume, Kafka, Storm, Solr, Banana, HBase, Oozie, Java, Tableau, R, Mahout, Machin Learning, Revolution R, node.js, Spark, Drill, Knox, Linux CentOS/SELS.

Responsibilities: Architecture, Administration, Development, Data Analytics

• Architecture, End to End implementation.
• Kafka producer events generation, broker simulation, isolating topics, event parsing, Kafka Spout Configuration.
• Storm Topology creation, Schema development and HDFS, HBASE, Health Monitor Bolts Implementation.
• Hive DDLs, Partitions creation on files.
• Visual Analytics using Tableau.

• Architecture, end to end implementation.
• Twitter Api Creation, Search Api, Power Stack Api implementation, Acquisition of Historical Data.
• Live stream ingestion with Flume.
• Hive implementation on tweets. Data indexed with Solr.
• Data cleansing with RHadoop, Machin Learning technics applied on tweets data like TFIDF, KMeans Clustering.
• Performed sentiment Analysis.
• Visual Analytics with Banana on top of Solr Index and with Tableau.

• Architecture, end to end implementation.
• Data ingestion from Main Frames, Teradata, Oracle to HDFS.
• Hive Implementation with Partitions.
• Linear Regression Models, Predictive analysis with R.

Confidential

Big Data Infrastructure Consultant

Environment: Hadoop, HDFS, Map Reduce, Chef, Ruby, Ganglia, Hive, Flume, Oozie, Java, Riak, Linux CentOS.

• Architecture end to end Admin, development and support of Hadoop, Riak.
• Currently working on Hadoop 2.x of Hadoop.
• Experienced in Cluster Setup, Chef provisioning and administering Hadoop, Riak clusters.
• Administrating core components Name Node, Resource Manager, Node Manager, Data Node and SNN.
• Managing Hadoop and Riak Clusters, checking cluster Health, Version Upgrades.
• Strong experience in performance tuning, troubleshooting.
• Setting permissions, Commissioning, Decommissioning, Balancing, and Managing Nodes.
• Setup and monitoring tools Ganglia and Nagios
• Analytics implemented with using Map Reduce programming (MPP), Java, Hive scripting.
• Worked on Continuous data ingestion/integration tools with Jenkins, Oozie, and Flume.
• Experience on Disaster Recovery(DistCp) implementation for Hadoop
• Involved in setup and maintenance of Hadoop clusters for Dev and Prod environments.

Confidential

Big Data Consultant

Environment: Hadoop, HDFS, Map Reduce, Hive, Pig, HBase, Sqoop, Flume, Oozie, Java, J2EE, ZooKeeper, Splunk, Cassandra, Chef, CDH3/4, Amazon EC2, Cloud Computing, R&D, Linux CentOS, Windows.

• Installation, end to end Admin, development and support of Hadoop, hive, Pig, Sqoop, HBase, Oozie & related Hadoop stack.
• Providing analytical dash boards, reports and POC’s to the Directors, Service Managers and stack holders. And participate and presenting the work progress of the System.
• Worked on Design patterns like summarization, bloom filtering, join and Meta Patterns.
• Analytics implemented with using Map Reduce programming (MPP), Java, Hive and Pig scripting.
• Worked on Continuous data ingestion/integration tools with Sqoop, Flume.
• Experience on HBase, MongoDB and Cassandra NoSQL databases.
• Solid understanding and experience with extract, transform, load (ETL) methodologies.
• Currently working on Cloudera distribution of Hadoop.
• Experienced in installing, Chef configuring, monitoring and administering Hadoop, Cassandra clusters.
• Administrating core components Name Node, Job Tracker, Task Tracker, Data Node and SNN.
• Managing Hadoop Cluster, checking cluster Health, Version Upgrades.
• Tuning and performance improvement of cluster
• Migrating data from one cluster to another using distcp
• Involved in setup and maintenance of Hadoop clusters for distributed dev/staging/production.
• Created scripts to form Amazon EC2 clusters and for processing to the internal resources.
• Onsite & Offshore team management and call rotation

Confidential

Lead Consultant

Environment: Java, J2ee, Spring MVC, Mobile Web, JavaScript, jQuery, CSS3, IBM RSA, JAX - RS, Jersey, Web Sphere, SVN, Web Services, AJAX, UI, XML, HTML, Agile/Scrum, Windows XP/2007.

Supporting Tools: HP Service Manager, Diagnostics, BAC, Splunk Business Intelligence and Warehouse analysis, THS Tracker, JRF Data Tool, and Tealeaf.

Responsibilities:

• Proposed design patterns and emerging technologies to support application development projects.
• Worked on front end tools JQuery, JSON, and JSTL and with style sheets CSS3.
• Creating and consuming REST and SOAP Web Services.
• Performing the maintenance work of the j2ee applications as per the stipulations listed by the firm.
• Worked with JEE controller frameworks (Spring MVC, DDUI, Struts).
• Supporting and monitoring live-deployed production environments supporting high concurrent user load.
• Triaging Auto Quote Purchase prod issues through Technical Observation Post.
• Production support, Root Cause Analysis, Clustering, Assigning tasks for related teams and escalation.
• SME in Service, Problem, Incident, and Request tickets Management, Metrics and reports.
• Checkout for infrastructure, implementation and maintenance windows.
• Coordinated with development and testing teams to complete applications. Onsite & Offshore team management and call rotation.

Confidential

Social Telephony Architect

Environment: Java, J2EE, Python, Web Services, Face book API, Visio, MySQL, .Net CF, Windows Mobile SDK, Windows XP/2003, Linux/Unix, WAS, JavaScript, CSS.

Responsibilities:

• Architecture, Created detailed workflows, prototypes and the requirements that effectively communicate the interactive design.
• Understand and explore the market products and Come up with innovative ideas.
• Created the formulated product visually with Visio, PowerPoint tools.
• Implemented the Call flow Apps like Community Call, Click 2 call, Messaging, Voice monetization, Parental control, Voice micro blogging, Virtual numbers.
• Created Traceability matrix, Reviewed the tasks time to time.
• Face Book, Twitter, Pudding media Integration.
• Developed all Apps for Windows mobile environment and Implemented web service.
• Implemented web application for managing subscriber's information.

Confidential

Programmer

Environment: Java, J2EE, Web Services, SQL Server, Windows, Web Sphere, JavaScript, HTML, VSS

Responsibilities:

• Created composite web custom controls for easy reuse.
• Server -side validation utilizing J2ee controls.
• Extensive use of Web services.
• Involved in migration of ASP application to J2EE
• Design and development of Web pages using JSP, JScript, HTML, DHTML, JDBC and XML.
• Extensive user of Stored Procedures, Triggers.

Confidential

Sr Consultant

Environment: ASP.NET, C#, Web Services, Dexterra 4.5, Windows Mobile, .NET CF, SQL Server CE2.0/3.0.

Confidential 

Software Engineer

Environment: .NET, ASP.NET, C#, DNN, ADO.NET, SQL Server2000, Crystal Reports.