Experience Summary

Over 15 years of IT experience in developing SOA based Object Oriented Systems in various functional domains using Webservice as the platform with std protocols (ws - security, trust, transaction, reliability, addressing) Developed integration/orchestration systems with existing legacy EIS using BPEL, JCA adapters as well as messaging middleware oriented enterprise-level N-Tier applications using JEE as underlying platform. Proficient in security authentication-authorization, identity mgt. protocols for federated SSO through SAML, XACML, Kerberos and PKI infrastructure.

Technical Skill set:

Languages: Java 1.6, BPEL, WSDL, IDL, C, C++

Middle Ware: EJB 3.1, Web-Service, REST, RMI-IIOP, JPA, JTA, JMS 1.1, SOAP

Oracle Fusion 11g: Weblogic, Oracle SOA Suite, OSTS, OES, OIM, OSB, OEG, OWSM, OIF

Integration: JCA 1.5, Oracle AIA Foundation Pack (EBO, EBM, ABCS, EBF)

Security: JAAS, JAAC, XACML, JASPI, SAML 2.0, WS-Security, WS-Trust, CSI v2, XML-Encryption/Signature

GUI: JSF 2.0, JSP, Java Swing, JQuery, AJAX, JSON/P, Struts 2.0

Modeling Language: UML 1.3, BPMN 2.0

Prime Expertise:

• Architected and developed service-component based middle tiers, EIS integration tiers and front ends fulfilling all major non-functional requirements i.e., scalability, performance, security, maintainability, reliability and manageability.
• Expertise in managing and administrating all aspects of Weblogic Application Server using Weblogic Application Programming Interface (API) and Java Mgmt. Extension (JMX)
• Expertise in SOA development with Oracle SOA Suite 11g components namely BPEL process manager, Oracle Service Bus, Oracle Business Rules Engine and Human Workflow manager for integrating applications.
• Expertise in extracting the performance at various level by tuning application servers, JVMs, EJBs, database connections as well as operating system.
• Experience developing Web Services based SOA architecture using Web Service stack and OASIS Standards comprising of WS-Security, WS-Policy, WS-IF, SAAJ 1.3, WS-Transaction and WS-Coordination, WS-Addressing, WS-BPEL, XACML 3.0
• Extensive experience of handling complex multi-threaded mechanism.

PROJECT DETAILS:

Confidential, DC

SENIOR ORACLE FUSION MIDDLEWARE

Responsibilities:

• Designed and developed provisioning and reconciliation solution of the system for new applicant registration using Oracle Identity Manager.
• Designed LDAP Sync module of the system for auto provisioning.
• Configure Oracle Virtual Directory with various dynamic routing rules for filters, priority, levels etc. as well as plug-ins to integrate heterogeneous data-sources including RDMBS and Web-services through DSML
• Design various OVD security authentication mechanism as well as Source Directory Access Control rules using OVD scopes, rights and permissions.
• Developed SOA BPEL-based Workflows for Approval based Provisioning and integrated it with OIM
• Installed and configured Bulk Load utility for automating the process of loading a large amount of data into Oracle Identity Manager from multiple trusted sources.
• Developed custom scheduled tasks in java that can be scheduled as job runs in Oracle Identity Manager
• Developed Integration Solution using Flat-file Identity Connector in Java and integrated it with Oracle Identity Manager for trusted as well target reconciliation.
• Develop custom OIM-Human Work based task-flows using Oracle ADF 11g Framework.
• Developed OIM organization structure and complex password policies for efficiently handling security mechanism of the system.
• Designed and developed Single-sign on solution of the system using Oracle Access Manager with OIM and the business applications.
• Designed and developed DoD Common Access Card (CAC) based security module for the system using
• complex x509 Security Architecture.
• Designed and developed custom soft-certs for the system to integrate non-cac identities of the system.
• Extensively used WebSphere Messaging Infrastructure with Websphere Message Broker to instrument SOA platform to integrate various heterogeneous applications running on different platforms/protocols.
• Designed iLog JRules based Decision Engine for the system.
• Architected and developed real-time push-based reporting module using Oracle Business Activity Monitoring (BAM) to cater rich set of data stored in Oracle Identity Manager repository for complex reporting module.
• Extensively used Oracle coherence in-memory data grid solution, enabling DoD to predictably scale mission-critical applications by providing fast and reliable access to frequently used data.
• Integrated BAM with OIM using JCA based adapter mechanism to feed live data in BAM infrastructure.
• Configure Java SASL- Simple Authentication and Security Layer of the system for connection-oriented protocols.
• Designed and configure Oracle Enterprise Gateway as an XML gateway to provide DMZ-class security and a comprehensive threat defense system at the service perimeter to SOA webservice infrastructure to provide critical protection needed between un-trusted and trusted zones.
• Developed custom OWSM policies and integrated it with OEG for seamless transition.

Confidential, VA

SENIOR ORACLE FUSION MIDDLEWARE

Responsibilities:

• Configure Oracle Identity Federation (OIF) on top of fusion middleware platform to manage cross platform SSO with various federated business partners using SAML 2.0 as Federation Protocol.
• Configured transient mapped as well as linked and role based federation.
• Designed custom OAM SP Integration engine as well as OAM as Authentication Engine on OIF IdP site.
• Leverage various SAML Protocol Bindings and Profiles including Browser Artifact Profile as well as SOAP binding for global log-out mechanism.
• Extensively used Oracle Security Token Service to design identity propagation based token exchange using WS-Trust profiles with SAML Holder-of-Key, Sender-Vouches and Bearer tokens.
• Extensively used Oracle Web Service Manager (OWSM) 11g component for developing custom Security polices based on WS-Security Policy architecture.
• Designed artifacts for co-existence of Weblogic policy-protected services with OWSM-protected services.
• Developed attribute based access control ABAC authorization architecture using Oracle Entitlement Server.
• Designed and deployed complex XACML based Authorization Policy and Role Mapping Policy model in Oracle 11g OES using SAML 2.0 binding for XACML for webservice based authorization provider.
• Designed JAAS-JACC based interfaces to develop permission oriented authorization module of the system to integrate JEE security model with Java Security Model.
• Developed OPSS permission based security architecture to integrate ADF-Webcenter based front end with OAM Security Provider.
• Extensively used Oracle BPEL PM to code complex BPEL processes including dynamic partner link calls, asynchronous orchestration, and concurrent-synchronized activities using join/link/transition structure.
• Implemented complex Scope-based Fault Handling architecture for the BPEL Process models to signal asynchronous System, Business exceptions and used Compensation handlers to handle the transactions if an exception occurs.
• Configured and coded Message and Alarm Event-based BPEL event handlers to develop loosely coupled service-oriented architectures.
• Configured stateful business process module through BPEL Correlation mechanism.
• Developed secured Webservice module of the system using Weblogic runtime with OASIS standards namely, WS-Security, WS-Policy, WS-Addressing and reliable messaging.
• Designed and deployed complex and efficient XML processing and retrieval through Xquery 1.0 and XSLT
• Designed and Implemented Adapters for backward compatibility with old modules.
• Use Oracle AIA Foundation pack for complex end-to-end integration solutions based on a schema, an abstract or concrete WSDL, and a BPEL or Bus Component and SCA Composite.

Environment:

Software: jdk1.6, Oracle SOA Suite 11g, Oracle AIA, WS-BPEL 2.0, Weblogic 11g, BPEL Component Designer, JDeveloper

Technology: JEE 1.6, JACC, SOA, XACML, JPA 2.0, XML, Xquery1.0, Xpath 2.0, JAX-WS 2.0, SAML 2.0

Confidential, VA 

SENIOR ORACLE SOA DEVELOPER

Responsibilities:

• Designed and deployed middle-tier of the system on Oracle SOA Suite 11g implemented through business processes defined in BPEL as SCA Composite Applications.
• Implemented SCA Service components in various technologies including BPEL, OSB, JEE, nested composites etc.
• Instrumented OSB as a service component to perform dynamic content based message routing and transformations through proxy services using various transport and security protocols.
• Designed Identity Propagation though OSB, JCA Bindings to interact with external services through Oracle SOA Suite JCA adapters as well as User Management for task-level authorization.
• Utilized Service Binding Components/Adaptors to develop heterogeneous interfaces to SOA composite application for integrating with existing legacy as well as B2B applications.
• Developed Oracle BPM workflows using BPMN 2.0 for overall orchestration of SCA composites made up various SCA Components namely, BPLE, Rule engine, SOA as well as Human task flows.
• Utilized Oracle custom BPEL activities to execute embedded java code in BPEL Process within its JTA context.
• Utilized Oracle User Messaging Service of SOA suite to design notification architecture of the system.
• Integrated Oracle Business Rules Engine of SOA Suite with BPEL process to execute complex business rules created with customized rule functions, parameterized decision tables.
• Designed and deployed Messaging architecture of the system on Weblogic platform using advanced reliability and transaction mechanism.
• Designed complex Human Interactions through Oracle Human Workflow/task using various workflow patterns and integrate it with BPEL processes as external services.
• Managed and debugged processes with the use of Oracle Enterprise Manager Console.
• Designed and implemented SOA Governance using Oracle Enterprise Repository, Service Registry and OWSM for policy governance.

Environment:

Software: jdk1.5, Weblogic 10.0, SCA Composite Editor, JDeveloper Rule Editor, Oracle Service Bus, SOA Governance (OER, OSR)

Technology: J2EE 1.5, JMS 2.0, JSF 2.0, XML, Hibernate 3.2, RMI-IIOP, JAAS

Confidential, VA

SENIOR ENTERPRISE DEVELOPER

Responsibilities:

• In-depth expertise in consolidating various J2EE based applications from business as well as technology perspective.
• Designed and developed Single-sign-on based security architecture of consolidated application for single set of security credentials across all internal applications.
• In-depth expertise designing the system using interface based Spring DI as well as JEE CDI Framework.
• Developed JQuery based complex JavaScript module for AJAX based web design of the system.
• Designed and developed complex PL/SQL based backend module of the system.
• Designed complex JEE Role-based Access Control (RBAC) Security module under Weblogic Container.
• Developed Reporting tier of the system using Business Objects BOXI
• Used various J2EE Front End design patterns in implementing Spring framework based front end using Servlets-JSP-Java Beans

Environment:

Software: jdk1.5, Weblogic 9.2, Autosys, Sun Solaris, Oracle 9.2, Clearcase, Hibernate 3.0

Technology: J2EE 1.5, JQuery 1.0, XML, Hibernate 3.2, RMI-IIOP, JAAS

Confidential, VA  

SENIOR ENTERPRISE ARCHITECT/DEVELOPER

Responsibilities:

• In-depth expertise integrating various Bloomberg and Reuters products like DATA LICENSE Per Security, B-Val, DATA LICENSE Back Office, BBG Server(snapshot), Reuters Datascope
• Designed middle-tier of the system using EJB 3.0 and JEE Connector Architecture.
• Designed and instrumented SOA based middle tier architecture through TIBCO Business Works.
• Developed Lightweight Persistence tier of the system using JPA through KODO (Oracle’s JPA implementation)
• Designed and developed front end of the system using JSF web framework.
• In-depth expertise designing the system using interface based loosely coupled with Strongly typed JEE Context and Dependency Injection (CDI) Framework namely, WELD
• Developed high-speed, block-oriented I/O module of the system using JAVA-NIO

Environment:

Software: jdk1.5, Weblogic 10.0, Autosys, Sun Solaris, Oracle 9.2, TIBCO Business Works

Technology: J2EE 1.5, JSF, Spring, SAML, XML, EJB3.0/JPA, JSF, RMI-IIOP, JAAS, PL-SLQ, SQL-loader

Confidential, VA 

SENIOR ENTERPRISE ARCHITECT/DEVELOPER

Responsibilities:

• Designed and coded Java Swing based front end system using various complex swing widgets.
• Developed JAAS based Security Framework using Programmatic and Declarative Security mechanism for system level as well as application resources using Weblogic Custom Security Providers (CSPs)
• Designed and implemented J2EE-based Security Architecture of the system using JAAS Framework.
• Designed and developed Custom Security Providers in Weblogic 9.1
• Created automated deployment scripts clusterable weblogic deployment of applications on Unix environment
• Developed complex ant-based build architecture module of the system comprising Kerberos security, ACLs, Autosys batch jobs etc.
• Worked on Custom Object Bindings on Weblogic JNDI Server.

Environment:

Software: jdk1.4, Weblogic 9.1, Business Objects XI, Clear Case 2003, Rational Rose 2000, Junit2.0, ANT 1.6, Autosys, Secure inet Factory 5.5, Sun Solaris, Oracle 9.2, Sybase 12.5

Technology: J2EE 1.4, UML, Swing, JSP-Servlets-Beans, XML, EJB3.0, RMI-IIOP, JAAS, JDBC

 Confidential, VA SENIOR SOFTWARE DESIGNER/CLEARCASE INTEGRATOR

Responsibilities:

• Monitored application performance by tuning Weblogic at various levels like tuning of JVM, application server, EJBs, database connections as well as operating system.
• Worked as a Clearcase integrator/administrator in configuring and managing the project in UCM based clearcase environment.
• Designed and created the build and deployment architecture of the system using ANT Framework
• Implemented the XA-based global transactional business logic tier consisting of multiple EJBs - stateful session beans running under the hood of Web Logic container/server.
• Designed and developed the JRules based complex Rules architecture of the system using ILOG
• Extensively used Java API for XML Processing with XML Parsers SAX 2.0 and DOM level2

Environment:

Software: jdk1.3, Weblogic 7.1, Clear Case/Quest, JAAS, MQ-Series, DB2, ILOG JRules, DB2

Technology: J2EE, UML, JSP-Servlets-Beans, XML, EJB2.1, RMI-IIOP, DB2, EJB-Query Language