PROFESSIONAL SUMMARY:

• Sr. Java/J2EE Developer with over 15 yrs experience working on Core Java 7.0/J2EE Projects involving Equities, Trade Reconciliation & Settlement, Prime Brokerage and Insurance.
• Fifteen years’ experience in Architecture, Design & Development of Distributed Java/ J2EE applications on Unix/XP platforms.
• More than 4yrs exp. in Development using Big Data technologies - Spark 1.5/RDD, Scala 2.11.7, Apache Hadoop 2.7 (MapReduce), Couldera, Impala, YARN, HBase, ZooKeeper 3.4, Kafka 0.9, MongoDB, Cassandra 3.0, RabbitMQ 3.5, Hive, Pig,
• Involved in Application Design & Architecture using Core Java 1.5, J2EE, EJB, Spring, Hibernate, JSP, Struts, Servlets, JMS, MDB, XML, Web Services (CXF), JAX-WS.
• Development using Spring 4.0 and Hibernate 4.0 and OR-mapping.
• Development using Distributed/Clustered Cache - Coherence, JCS, EHCache.
• SQL Development using Stored Procedures, Views, Triggers, Queries, Joins - Oracle, Sybase, DB2, Informix.
• Experience working on IBM WebSphere 8.5, BEA WebLogic 12c, Apache Tomcat.
• Experienced in using OOAD methodology using Enterprise Architect, Rational Rose.
• Experience working on Core Java/ Multi-Threading, Locks and Synchronization.
• Use of Java features Generics, Auto Boxing, Annotations, Static Imports, Concurrency
• Experience in complete SDLC involving Architecture, Design & Analysis.

PROFESSIONAL EXPERIENCE:

Confidential

Sr. Java/J2EE Developer

Technology: Java 7.0, WebLogic 12c, Oracle Coherence, Java Concurrency, Multi-Threading, Hadoop MapReduceYARN, Kafka, HBase, Cassandra, Cloudera, Impala, RabbitMQ, MongoDB, Spark/RDD, Scala, JMS (Topic/Queue), Spring 2.5, Hibernate 3.0, Restful, JAXB, Oracle, Sybase, Unix.

Responsibilities:

• Development of the Annuities Processing to provide very high scalability and throughput using Hadoop MapReduce solution.
• Development of Annuities Settlement processing using Spark/Scala for high performance throughput.
• Kafka Messaging Cluster has been used to provide distributed publishing.
• Application uses RabbitMQ/AMQP for events processing.
• Development using Cassandra, HBase and MongoDB and ZooKeeper for processing the feeds.
• Used Scala for writing functional modules and integrate it with Spark.
• Used Hive and Pig for Data Queryng and Analysis.
• Implemented Feed Pollers and Feed Chasers using Java Multi Threading for process daily GL & AP feeds.
• Designed and Configured 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.
• MDB implements the Transaction Processing (XA) using Two Phase commit using to maintain concurrency across database like Oracle and Sybase.
• 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 is updated for dirty/clean reads by Trigger Message over JMS topic following User activity like add/update/delete.
• Involved in SQL development involving Stored Procedures, Views, Unions and Joins, Queries, Normalization and Database Design using Oracle and Sybase.
• Involved in n-Tier architecture with distributed Transaction processing using Two Phase commit to maintain consistency across databases: 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.

Confidential

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, JMS, Tibco BW/EMS 5.0, Microsoft Portal, Oracle, Sybase, Unix, Ab Initio, Compute-Grid

Responsibilities:

• 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 further processing and 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.

Confidential

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:

• 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 Hibernate HQL for query execution on d/b.
• Development using IOC, Dependency Injection using Spring framework.
• Application involves WebSphere (Clustered) architecture design to ensure Application Scalability, Load Balancing.
• Implemented & Configured the MQ Queues Inbound/Outbound/Reject Queue where other 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.
• Extensive SQL development using Stored Procedures, Views, Joins, Queries, Normalization and Database Design with Oracle, Sybase and DB2.

Confidential

Sr. Java/J2EE Developer

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

Responsibilities:

• Involved in the Clustered Server architecture design using the Load Balancer
• Involved in building EJB Session/Entity beans to maintain Transaction Management, Bean pool across the application.
• Involved in building EJB Session/Entity beans to maintain Transaction Management, Bean pool and Object Isolation across the 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

Sr. Java/J2EE Developer

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

Responsibilities:

• 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 Procedures, Views, Joins, Queries and Database Design using Oracle.
• Implemented the SFTP API for standard file transfer(s).

Confidential, GA

Sr. Java Developer - Financial Transaction Manager

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

Responsibilities:

• Leading the requirements gathering and development of FTM application.
• Re-factoring of FTM (GRS) for Trade Enhancement of Inbound Trades.
• Leading the re-design and 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

Responsibilities:

• Used for LOB - Commercial Auto, Garage, Transportation, etc.
• Lead the requirements gathering and business study of ePolicy application.
• Leading the Architecture, Design & Development of the Metadata XML generator.
• Implementing XLS/XML schema converter and SAX Parser Engine. Implementation of XLS to XML converter for parameter passing to the web-services.
• SQL development using Queries/Joins/Union/Views and Database Design (Oracle).