Bharath Raghunathan Email & Phone Number

Quakers Hill, Nsw, Au

New South Wales, Australia

Worked for Customer Journey Analytics product. I was the lead developer of in memory event sequence pattern search engine. The product uses the search engine to identify the patterns of event sequence. My responsibilities include, design, development of the APIs and the core pattern search functionality. I am also responsible for defining the restful API that the middle ware components can interact to leverage the pattern search capabilities.

Bengaluru Area, India

DEVICE PORTFOLIO ANALYTICS ON HORTONWORKS HADOOP 2.0--------------------------------------------------------------------------------------------------------Device Portfolio Analytics Dataware house on Hortonworks Hadoop 2.0 using HIVE on TEZ. • Installation of the a 5 node Hadoop 2.0 cluster using Hortonworks Data Platform.• Configuration of the HIVE on TEZ and fine tuning the configuration for optimal performance.• Porting of the Oracle Queries to HIVE.• Profiling DPA Data for the 4 Data nodes• Running performance tests on the profiles data and fine tune the configuration parameters to reach the optimal query execution time.DEVICE PORFOLIO ANALYTICS-------------------------------------------------Device Portfolio Analytics is an anlaytics product based on mobile device data. • Design the dataware house of the product.• Designing of the various components of the dataware house and interoprerability of the other components being developed at Budapest, Hungary.• Involved in the complete developement and testing of ETL component.• Involved in complete developement of JAVA API that fetches data from the Dataware house.EUCALYPTUS 3.1 CLOUD----------------------------------------Setup an end to end eucalyptus 3.1 cloud on a two node HP DL360 server on Ubuntu 12.04 LTS desktop edition. • OS installation and Network configuration.• Eucalyptus Cloud software installation.• Eucalyptus Cloud configuration for 10 instances in Static mode.• Enabled the team on cloud concepts.• Setup nightly regression of the product to run on 6 instances created in Eucalyptus cloud.

Bangalore, India

DEVICE DATA ANALYTICS ON 4 NODE HADOOP 1.0 CLUSTER------------------------------------------------------------------------------------------------Provided end to end demo of data analytics on Hadoop 1.0. The data was stored as HIVE tables in HDFS. Hive was used for aggregation of data. Shark/Spark was used for low latency query of data aggregated through hive. The following metrics were measured.• CPU utilization• Memory utilization• Disk utilization.• Query performance and latencyLinux Munin tool was used for the measurement. The measurement details were presented to the product architects and management.SADM PRODUCT API VALIDATION LAYER-------------------------------------------------------------------The project aims at separating the validations that are done at the API layer to a validation layer so as to provide common validations across both RMI and Web services API. • Provided a design proposal for a validation layer in the product. • Implemented a proof of concept for the proposed design.• Developed a static code analysis tool using PMD in JAVA for the identified common validations.• Integrated the tool to Jenkins Continuous integration server.PARALLEL ETL LAYER FOR TERMINAL INFORMATION PLATFORM--------------------------------------------------------------------------------------------------------Involved in designing and implementing a parallel ETL layer that loads data from data files to Oracle database using Oracle SQL loader in 8 parallel processes.• Design of a parallel ETL layer• Implementation, testing of the ETL layer• Integration of the ETL into the Terminal Information Platform.

Bengaluru Area, India

SADM WEB SERVICE API----------------------------------------Development of the TIP and TIP Reporting subsystem which is the J2EE based application for the TIP data ware house.• Design and architectural discussions with the architecture team regarding the API.• Development, testing and Integration of web services APIs.• Provided a new design and implemented the same for supporting asynchronous web service calls and callback mechanism.• Provided support and sample code snippets to customers depicting the use of API.TERMINAL INFORMATION PLATFORM REPORTING SUBSYSTEM------------------------------------------------------------------------------------------------------Development of the TIP and TIP Reporting subsystem which is the J2EE based application for the TIP data ware house.• Architectural discussions, design, development, testing and Integration of the TIP and TIP reporting subsystem• Architectural discussions, design and development of TIP web services API that provides data from TIP.• Providing enhancements and bug fixes for TIP Reporting J2EE application.

Bengaluru Area, India

Fault Detection Mechanism----------------------------------------• Development, testing and integration of the Fault Detection Mechanism into Application Lifecycle Manager.• Development, testing of C to JAVA interaction layer achieved through JNI using SWIG.• Developed Fault detection mechanism in C using the Linux Shared Memory• Developed APIs for the C based application to register and be monitored.• Developed a JAVA API for the JAVA based applications to be registered and monitored.H248 (MEGACO) STACK INTEGRATION AND JAIN API IMPLEMENTATION-----------------------------------------------------------------------------------------------------------------• Involved in design, implementation, enhancements, unit testing, integration testing and also the maintenance of the layers implemented.• Interacted with the customers for the changes and enhancements of the H248 Stack.RTP TERMINATION POINT MODULE--------------------------------------------------------• Provided class design and sequence diagrams for the RTP Termination Point module.• Implemented the termination point module according the the design specification and implemented the unit test code using JUnit.VOICEXML FRAMEWORK----------------------------------------• Design and Implementation of JAVA based voiceXML Framework for developing Voice XML applications.• Integration of HP Labs TTS and ASR into HPs Opencall Media Platform.• Performed System, Integration and Pilot testing of the integrated System.