Sr. Java/j2ee Developer Resume
PROFESSIONAL OVERVIEW
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.
PROFESSIONAL SKILLS- Fifteen year’s exp. in Architecture, Design & Development of Distributed Java/ J2EE applications on Unix/XP platforms.
- 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.
- Development using Hibernate 4.0 and OR-mapping.
- Development using Distributed/Clustered Cache - Coherence, JCS, Ehcache.
- SQL Development using Stored Procedures, Views, Triggers, Queries, Joins involving Oracle 8i/10g, 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
Responsibilities:
- Implemented Feed Pollers and Feed Chasers using Java Multi Threading for process daily GL & AP feeds.
- Designed and Configured multiple layes 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 top-down) to enable cross functional ETRS integration.
- Developed the Web-services & analysis of SOAP envelope using SOAP UI.
Client: Confidential
Position/Role: Sr. Java/J2EE Developer
Project: Poland SME
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:
- This project enables SME clients to apply payments instructions (High Profile accounts) and subsequent processing and settlement.
- 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.
Client: Confidential
Position/Role: Sr. Java/J2EE Developer
Project: Strategic Oversight (Trade Reconciliation & Processing)
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 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.
Client: Confidential
Position/Role: Sr. Java/J2EE Developer
Project : Orbit Application for Equities Settlement
Technology : Java/J2EE/Servlets/EJB, IBM Websphere Clustered Server, JMS, Hibernate, Spring, JSP, Struts, XML, Sybase, Oracle, DataStage.
Responsibilities:
- 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 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.
Client : Confidential
Position/Role : Sr. Java/J2EE Developer
Project : LaunchPad
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).
Client : Confidential, ssGA
Position/Role : Sr. Java Developer
Project : Financial Transaction Manager.
Technology : Java, JSP, Servlets, Struts, Java IBM Websphere, Weblogic Server, JMS, Eclipse, Oracle, Unix/XP
Responsibilities:
- 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 of Inbound Trades.
- Leading the re-design and implementation of GRS components.
- Lead the Architecture, Design & Implementation of FTM Outbound Engine involving XML development using SAX and XSD.
- Extensive SQL development involving Stored Procedures, Views, Unions and Joins, Queries, Indexes and Database Design using Oracle.
Client : Confidential (Sr. Java Developer)
Project : ePolicy IIG Commercial Lines.
Technology : Java, JSP, Servlets, Struts, Java IBM Websphere, JMS, Eclipse, Oracle, Unix/XP
- Webification of STAR desktop Insurance appln.. using JSP/Struts & incorporate enhancements. 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).
Client : Confidential (Sr. Developer)
Project : Credit Risk Financial Analysis System.
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.
Client : Confidential (Sr. Developer)
Project : Advanced Billing & Receivable. Tracking.
Technology : Java/J2EE/JSP/EJB/Servlets, JMS, WebSphere, Oracle, Informix,DB2,
- Involved in n-Tier architecture with distributed Transaction processing using Two Phase commit to maintain consistency across databases: Oracle, DB2, & Informix.
- Involved in Application Design using Java Design Patterns and OOPS.
- Developing EJB Session/Entity beans to maintain Transaction Management, Bean pool and Object Isolation. Implementing the DAX components for D/b access
- Administering WebSphere for EJB, MDB, Connection pools and Transactions.
- Implementing XML Parser (DOM/SAX) for integrating legacy system.
- SQL development involving Stored Procs/Views/Joins/Queries & Database Design.
Company : Confidential . (Programmer Analyst)
Project : Dell ARB Tracking system
Technology : Core Java, JSP, Servlets, IBM Websphere, JMS, Eclipse, Oracle.
- Involved in Requirement Gathering & Analysis.
- Involved in Java/J2EE Design and EJB, Struts/JSP using MVC architecture. .
- Involved in Database Design and Development, Integration & Testing.