SUMMARY:

• More than 12 years of professional experience in analysis, design and development of high volume, highly scalable and distributed software systems.
• Cloudera certified Hadoop developer(CCD - 410, passed in 2013) with 4+ years of professional experience in Big Data related technologies and expertise in HDFS/Hadoop architecture, Map Reduce algorithms, HBase and other hadoop ecosystem softwares like Hive, Pig, Scoop etc..
• Experience using Apache Spark and Scala.
• Worked on Proof Of Concept models using NoSQL databases like Redis, Cassandra, MongoDB etc.
• Worked with MYSQL,MSSQL, Oracle PL/SQL, Triggers and Stored Procedures for the databases.
• Sun Certified Java developer(passed in 2008) with more than 10 years of professional experience in developing java backend software using traditional databases like MySql, Oracle and MSSql.
• Extensive experience in the development of reporting tools and various charting systems.
• Hands on experience using Unix shell and scripting.
• Experience in developing highly distributed applications using Java, J2EE, Servlets, JSP, Spring, ActiveMQ JMS, JDBC, Apache Tomcat Server, JavaScript, HTML, XML, XSL, SQL under Unix Operating system.
• End to end experience in the development of real time software systems handling high volume.
• Experience working in a fast-paced, flexible environment, and taking the initiative to learn new tools quickly.
• Have good experience in MVC architecture and proficient in OOPS concepts.
• Expertise in preparing the test cases, documenting and performing unit testing and Integration testing.
• Expertise in cross-platform (PC/Mac, desktop, laptop, tablet) and cross-browser (IE, Chrome, Firefox, Safari) development.
• Skilled in problem solving and troubleshooting, strong organizational and interpersonal skills.
• Possesses professional and cooperative attitude, adaptable approach to problem analysis and solution definition.
• Good team player with strong analytical and communication skills.

TECHNICAL SKILLS:

Programming Languages: Java, C, C++, Scala, Perl, Bash

BigData Technologies: Hadoop, HDFS, MapReduce, Hive, Pig, HBase, Impala, Sqoop, Cascading, ZooKeeper, Spark, Spark SQL

NoSQL: Hbase, Redis, Cassandra

Development Tools: Eclipse, Idea IntelliJ, Streambase studio

Web Development: JSP, Struts, Spring, JSON REST Jersey, jQuery, AngularJS, Apache Thrift

Database Tools: MySql, Oracle, MSSQL

Design & Analysis: Design patterns, UML modelling, MVC

Software Tools: Jenkins, Maven, Nexus

Frameworks: Spring MVC, Struts

PROFESSIONAL EXPERIENCE:

Software Engineer/ Architect

Confidential, Atlanta, GA

Environment: Apache Hadoop, HDFS, HBase, Java, ActiveMQ JMS, FIX, Apache Thrift, Spring, MySql, Maven, Jenkins, Nexus

• Develop and support different types of fraud analytic models for creating alerts and support the configuration of various alert parameters/thresholds in the system.
• Architect of the feed module which handles huge amount of market data from Interactive Data Corp.(IDC) and other market data vendors.
• Designed and developed market data and news data APIs for use by analytics system to alert suspected fraud transactions.
• Bulk load of the FX data from IDC defined data format file into HBase using MapReduce jobs.
• Designed and developed various ETL jobs to import data into Hbase.
• Developed fully automated system with cron jobs running shell scripts generating various regulatory and client specific reports by ingesting the data stored inside the Big data platform.
• Worked in Agile development environment with continuous deployment and releases made using Jenkins and nexus.
• Wrote BASH scripts to support easy deployment of data and platform on QA machines.
• Implemented Proof of Concept models in Redis, Cassandra and other major NoSQL databases to analyze the latency of the Big Data platform.
• Developed and deployed Apache Spark code written in scala to detect Wash Trade fraud and presented it in the Confidential Unlimited R&D summit.
• Developed tools for one click automation of QA regression tests.

Technical Architect

Confidential

Environment: Apache Hadoop, HDFS, Hive, Map Reduce, Cassandra, Java, JavaScript, Apache Tomcat

• Design and develop data aggregator which handles market data from different exchanges. Import all the instrument market data into HDFS and Hive database using Sqoop.
• Provide Map Reduce jobs to aggregate all instrument data quotes(Big Data) into hourly and daily data at the end of day.
• Provide support for various stock technical analysis indicators and rule based alerting on technical indicators like Standard deviation, Bollinger Bands, RSI, Moving Average crossings etc.
• Organize the data of different types of instruments from various data providers. Provide administration features to provision new instruments, update instrument information and delete bad data.
• Responsible for analyzing and cleaning bad data by running Hive queries and Pig scripts on data.
• Use Agile methodology practices in a test driven development.
• Ensure best performance of real time queries and streaming of data on the website.
• Provide REST interfaces for alert management(alert creation/deletion etc.). The alert management REST interfaces are used by PHP code to generate HTML.
• Design and develop daily reports on usage analysis using daily cron jobs which run Pig scripts. e.g.: Number of market data quotes per exchange, Top user alerting patterns etc.
• Maintain System integrity of all components related to Hadoop.
• Write unit tests, integration tests and regression tests.

Senior Software Engineer

Confidential

Environment: Java, JSP/Struts, Apache Tomcat, MSSQL

• Provide web UI support for group management and modified EPS application to provision groups.
• Provide web UI support for provisioning non-AT&T numbers and developed separate routing module in EPS application to support non-AT&T numbers.
• Design system to manage groups in core EPS when the groups are added/deleted/modified from web UI.
• Modify various telecom related protocol servers(WCTP, SNPP etc.) to support groups which may not be standard mobile numbers.
• Add support for resolving and querying a group and also sending message to all active members of the group.
• Design and develop usage reports and billing reports using stored procedures and queries which are run on MSSQL server.
• Develop cross-carrier gateway server in Core java and route messages of all non-AT&T numbers through this gateway.

Senior Software Engineer

Confidential

Environment: C/C++

• Read/Decode Unicode SMS from GSM Modem and encode it in base64 format and send back to the SITA ground network.
• Write testing framework to test throughput and accuracy of the system.

Software Engineer

Confidential

Environment: JAVA, JSP/Struts, JGraph, Tomcat, JBoss, MS-Sql

• Analyze various types of questions used for collecting feedback
• Develop a Question maker dynamically based on the requirements
• Graphs for rated questions and summary of the survey
• Design system to manage roles (HR, Employee, Administrator etc...)

Associate Software Engineer

Confidential

Environment: Microstrategy (BI Reporting tool), Erwin Data Modeler

• Analyze whether existing data model fits with Microstrategy’s CAM data model
• Review new report requirements and suggest changes to the data model