PROFESSIONAL SUMMARY:

• Sr. Java 8.0/Scala 2.0/J2EE/BigData Developer with over 15 yrs experience working on Core Java 8.0/J2EE/BigData applications involving Equities, Trade Reconciliation & Settlement, Prime Brokerage and Insurance.
• Architecture, Design & Development of Distributed Java/Scala/J2EE/BigData applications on Linux/XP.
• 4 yrs in Big Data Development using Apache Hadoop (MapReduce/HDFS), Spark, Scala, Hbase, Cassandra, Sqoop, Hive, Hortonworks, Ambari, YARN, ZooKeeper, Hadoop/Spark Streaming, Kafka, RabbitMQ.
• Development using Spark Streaming and Spark Connector - Cassandra, DataFrames, DataSets
• Developement using Hortonworks HDP with Ambari Stack over large Cluster.
• BigData development involving HDFS Cluster (High Availability) with Multi Rack/Node topology.
• Development using Scala 2.0 including Traits, Linearization, Higher Order Functions, Currying.
• 15 yrs in Application Design & Development using Core Java 1.8, J2EE, EJB, Spring, Hibernate, JMS (Topic/Queue), MDB, XML, Web Services, JAX-WS, RESTFul, JSP/Servlets, Struts, Spring-MVC, JavaScript.
• Development using Spring, Spring Boot, Spring and Hibernate 4.0 and OR-mapping.
• Experience working on Java Concurrency/ Multi-Threading, Locks and Synchronization.
• Database Development using SQL queries, Joins, Unions, Views - Oracle, Sybase, DB2, MSSQL.
• Implementation using Distributed/Clustered Cache - Coherence, JCS, EHCache.
• Experience working on WebSphere, WebLogic and Apache Tomcat.
• Development using Unix Shell/Perl scripting.
• Design and Development using OOPS and Functional Programming.
• Experience in Continous Build and Integration using Mave, Jenkins, Bamboo, TeamCity.
• Experience in complete SDLC, Agile/SCRUM/Sprint based based development model.

PROFESSIONAL EXPERIENCE:

Confidential, Newark, NJ

Sr. Java 8.0/BigData Developer

Technology: Hadoop, MapReduce, HDFS, HBase, Cassandra, Spark, Scala, Hortonworks, Ambari, Kafka, RabbitMQ, MongoDB, Java 8.0, WebLogic 12c, Oracle Coherence, Java Concurrency, Multi-Threading, JMS (Topic/Queue), Spring 4, Hibernate 3.0, Restful, Spring-MVC, JSP/Servlets, JAXB, Oracle, Sybase, Unix, Java Script, Shell Script.

• Development of the Annuities Processing using Spark over HA Cluster (High Availability/YARN).
• Development of Annuities Settlement processing using Spark/Scala for high performance throughput.
• Development using Sqoop for daily data migration into Oracle/Hive.
• Development using Hive tables (Internal/External) for OLAP Visualization and Reporting.
• Implementation using Spark Streams for HDFS and Spark Connector - Cassandra.
• Implemented the Spark RDD, DataFrames, DataSets for HDFS/Cassandra
• Development using Hadoop Map/ReduceImplemented Hive Partitioning and Bucketing for access and scalability.
• Development using Cassandra, HBase and MongoDB and ZooKeeper for processing the feeds.
• Development of Computational Mesh using Scala functional modules and integrate it with Spark.
• Development using Scala including Traits, Mixins, Higher Order Functions, Currying.
• Kafka Messaging Cluster has been used to provide distributed publishing.
• Application uses RabbitMQ/AMQP for events processing.
• Implemented Feed Pollers and Feed Chasers using Java Multi Threading for process daily GL & AP feeds.
• Designed multiple layers of JMS Queues and Message Driven Bean for feed validation and Rules execution, Outbound, Post processing and Chaser. Designed Feed Chaser using Java Multi-Threading and MDB.
• Used MDB for Transaction Processing (XA) using Two Phase commit to maintain consistency across database like Oracle and Sybase and MSSQL.
• Oracle Coherence has been used to provide distributed Clustering architecture on WebLogic Clustered Architecture along with Load Balancer to ensure Application Scalability & Load Balancing.
• Coherence cache for dirty/clean reads by Trigger MQ Message over JMS topic for - add/update/delete.
• SQL development involving Query, Views, Unions and Joins. Normalization and Design using Oracle and Sybase.
• Involved in n-Tier architecture using distributed Transactions - Two Phase commits over Oracle, DB2, & Informix.
• Design and Implementation of Java Web-Services (WSDL/XSD) to enable cross functional ETRS integration.
• Developed the Web-services & analysis of SOAP envelope using SOAP UI.
• Developed Test Cases for Application using JUnit Framework .

Confidential, Jersey City, NJ

Sr. Java/J2EE Developer

Technology: Java 1.5, J2EE, EJB, MDB, XML, IBM WebSphere 7.0, Web-Services (CXF), WSDL/XSD, SOAP UI, JAXB, Spring 2.5, EHCache, Hibernate 3.0, Spring-MVC, JavaScript, JSP/Servlets, JMS, Tibco BW/EMS 5.0, Microsoft Portal, Oracle, Sybase, Unix, Ab Initio, Compute-Grid

• Development of the SME using Map/Reduce over Hadoop/HDFS Cluster.
• Settlement processing using Hadoop, Hbase and Kafka for high performance throughput.
• SME enables clients to apply payments instructions (High Profile accounts) processing and settlement.
• Development using Scala including Traits, Mixins, Higher Order Functions, Currying.
• Design and Implementation of Java Web-Services for Poland SME to provide the Payments Settlement functionality comprising Apply Payments, Payments Summary & Detail, and Profile Summary.
• Developed the WSDL/XSD using top-down approach and XML Namespaces. Generated the stubs using JAXB.
• Involved in the deployment of Web-Service End-Points using CXF.
• Developed the MTOM web-services & analysis of SOAP envelope using SOAP UI.
• Implementing XML Parser (DOM/SAX) for data integration with legacy system.
• Implemented the Message Driven Bean for Instruction enrichment and pre-processing. MDB is deployed on WebSphere server and dispatches the request to Stateless Session Bean (EJB) for processing & Rules execution.
• Application design consists of distributed Clustering architecture on WebSphere Server along with Load Balancer to ensure Application Scalability & Load Balancing.
• Involved in SQL development involving Stored Procedures, Views, Unions and Joins, Queries, Normalization and Database Design using Oracle and Sybase.
• Design and Implementation of RESTFul Web-Services using Spring.

Confidential, Jersey City, NJ

Sr. Java/J2EE Developer

Technology: Java 1.4/J2EE/Servlets/EJB/XML, IBM WebSphere 5.0/6.0, JMS, Spring 2.5, Hibernate 3.0, JSP, Struts, Sybase, Oracle, DB2 Unix

Responsibilities:

• Strategic Oversight is (Middle Office) system is developed on Java/J2EE platform. It is used for Trade Capture from PEDM, PTS, IDSG and Cash systems via Inbound MQ Queue and for Validation/Enrichment and Post Processing/Reconciliation for Equities, Bonds, Repos.
• Implemented the Trade Processing Message Driven Bean for capturing Inbound Message(s) & pass to Trade Processor Stateless Session Bean (EJB) for Rules validation & Trade Processing.
• Development using IOC, Dependency Injection using Spring framework.
• Application involves WebSphere (Clustered) architecture design to ensure Application Scalability, Load Balancing.
• Implemented & Configured the MQ - Inbound/Outbound/Reject Queue where Workflow MDB(s) are listening.
• Implemented the Session Beans (EJB) for purpose of Trade enrichment by referencing Party, Instrument and Entitlements data using XATransaction access.
• Implementing XML Parser (DOM/SAX) for integrating legacy system.
• SQL development using Views, Joins, Queries, Normalization and Database Design - Oracle, Sybase and DB2.

Confidential, Stamford, CT

Sr. Java/ J2EE Developer

Technology: Java/J2EE/Servlets/EJB, IBM WebSphere Clustered Server, JMS, Hibernate, Spring, JSP, Struts, XML, Sybase, Oracle, DataStage

• ORBIT is Equities Processing and Settlement system.
• ORBIT also used for Repo Processing and Settlement and Bonds Processing.
• Involved in the Clustered Server architecture design using the Load Balancer
• Involved in building EJB Session/Entity beans to maintain Transaction Management, Bean pool..
• Implementation of EJB Session/Entity beans, Transaction Management, Bean pool/Object Isolation in application.
• Implementing XML Parser (DOM/SAX) for data integration with legacy system.
• Involved in Implementation of Breaks Reconciliation
• Extensive SQL development involving Stored Procedures, Views, Joins, Queries, Normalization and Database Design using Oracle, Sybase and DB2.
• Involved in GUI design/Implementation using JSP & Struts framework.

Confidential, Stamford, CT

Sr. Java/ J2EE Developer

Technology: Core Java, JSP, Servlets, Struts, Java IBM WebSphere, Multi-Threading, JMS, Eclipse, Oracle, Unix/XP

• Involved in the Implementation of Java Multi-Threaded process responsible for spawning light weight Threads for multiple Job and concurrent Job processing.
• Application development using Core Java and Multi-Threading.
• Involved in Design refactoring and enhancement of the Critical Components following OOAD methodology.
• Involved in GUI development using JSP/ Struts on WebSphere App Server.
• Involved with MDB and Queues for providing asynchronous communication between the Threads and Database
• Involved in SQL development involving Stored Proc, Views, Joins, Queries and Database Design using Oracle.
• Implemented the SFTP API for standard file transfer(s).

Confidential

Sr. Java Developer

Technology: Java, JSP, Servlets, Struts, Java IBM WebSphere, WebLogic Server, JMS, Eclipse, Oracle, Unix/XP

• FTM is used for Trade Enhancement and Settlement of Inbound Trades using Global Reference data in Trade Processing phase. Inbound Trade is validated & enriched by Trade Enhancement System. The outbound Trade is converted to XML by the FTM.
• Leading the requirements gathering and development of FTM application.
• Re-factoring of FTM (GRS) for Trade Enhancement. Re-design & implementation of GRS components.
• Architecture, Design & Implementation of FTM Outbound Engine using XML development using SAX and XSD.
• Extensive SQL development involving Stored Procedures, Views, Unions and Joins, Queries, Indexes and Database Design using Oracle.

Confidential

Sr. java Developer

Technology: Java, JSP, Servlets, Struts, Java IBM WebSphere, JMS, Eclipse, Oracle, Unix/XP

• Webification of STAR desktop Insurance appln.. using JSP/Struts for - Commercial Auto, Garage, Transportation
• Leading the Architecture, Design & Development of the Metadata XML generator.
• Implementing XLS/XML and SAX Parser Engine. Implementation of XLS to XML converter for web-services.
• SQL development using Queries/Joins/Union/Views and Database Design (Oracle).

Confidential

Sr. Developer

Technology: Java, JSP, Servlets, Struts, Java IBM WebSphere, JMS, Eclipse, Oracle, Unix/XP

• CRFAS API Driver (Java based) was designed to ensure interoperability of the Web Services - MetaService, WorkFlowService & FinancialService developed in .Net
• Leading the Architecture, Design & Implementation of API Driver.
• Implementation of XLS to XML converter for passing parameters to web-services.
• Leading the Integration and Optimization.

Confidential 

Sr. Developer

Technology: J2EE/JSP/EJB/Servlets, JMS, WebSphere, Oracle, Informix,DB2

• Involved in n-Tier architecture with distributed Transaction using Two Phase commit to maintain consistency across databases: Oracle, DB2, & Informix.
• Developing EJB Session/Entity beans to maintain Transaction Management, Bean pool and Object Isolation.
• Administering WebSphere for EJB, MDB, Connection pools and Transactions and XML Parser (DOM/SAX)
• SQL development involving Stored Procs/Views/Joins/Queries & Database Design.