Sameer Dhawan

Work History

Work History
Apr 2009 - Present

Senior Programmer Analyst

Nextgen Web LLC
ADP Inc, 1 Adp Plaza, Roseland NJ Senior Developer role working with Web Application with Web Services Connectivity (VISA PREPAID CARD). Responsibilities: • Working with Enterprise Single Sign Access Management Siteminder, Emulating SSO Environment and running LDAP transactions with different user profiles, • Migration Web Application Code to work in Weblogic 12.c, Refactoring jsp code into java classes adding logging based on packages with method name and line numbers. • Bug Fixing Review and Verification of non-broken application functionality after refactoring code from JSP into Java Pojos, webfilter logic, controller servlet and using Tag Libraries. • Web Service Transactions Monitoring and Performance Improvements. • Writing Junit / Jersey Tests using Client and Server Container Based Test Code Development for REST Calls. • Troubleshooting SOAP Clients, XML APIS. Environment: Java, J2EE, SOAP, JAX WS /RS, JAXB, JSON Rest Web Services, Jersey 2.41, Apache Solr, Nutch, XSD Schema Design, Eclipse Kepler, Netbeans 7.4, Jdeveloper 12.x , CVS, Oracle Weblogic 12.x, Core Java, Java 1.7, Grizzly HTTP Server, Tomcat 7, Artefactory, Multithreading, SL4j, Log4j, Logback, Oracle 11g, Maven Build Scripts, MS Windows 7/linux .
2014 - 2014

Java Developer

Morgan Stanley
Dec 2012 - Oct 2013

Java Developer

Collabera
Tech Lead / Architect Lead Technical Architect cum Integrator role working with legacy Web Services and retrofitting into new Oracle ATG Services. Responsibilities: • Simplification and Migration of POS Portal Applications to Oracle ATG Product Vendor Implementation • Working with Enterprise Single Sign Access Management, Database driven entitlements, • Enabling authentication, authorization security policies, integration with ant/ivy/maven build scripts with version control, user registry. • Creating Orchestrated Web Services for direct and indirect channel customers. • XSD / SCHEMA Design, front end, mid-tier, back end and data Integration. • Core Java code for Order Processing Modules using legacy web applications. • Writing Junit / SoapUnit Tests Cases / Suites • Maintaining Stored Procedures and jdbc dataset connectivity to databases. Environment: Java, J2EE, SOAP, C/C++, Rest Web Services MQ, XSD Schema Design, Eclipse Kepler, Accurev 4, Oracle Weblogic 12.x, Core Java, Java 1.5/1.6, , Multithreading, MQ, JMS, SL4j, Log4j, Oracle 11g, ANT, IVY, Maven Build Scripts, MS Windows 7 .
Nov 2011 - Apr 2012

it consultant

Horizon Blue Cross Blue Shield of New Jersey
Hands on Senior Developer Lead role with a health insurance client working both independently and as part of onsite client employee and vendor teams, carrying out product demonstrations and making presentations with a focus on automating manual error prone build and release processes to optimize and improve the existing business processes user and developer productivity. Responsibilities: • Working with Enterprise Single Sign On team utilizing IBM Tivoli Identity and Access Management Federated Solutions, Products. • Enabling authentication, authorization security policies using IBM buildforge Product version 7.1.3, integration with ant/maven build scripts with svn version control, LDAP user registry. • Documenting High Level Logical / Physical Architectural Diagrams from use cases. • Creating reference applications utilizing web2.0, AJAX, JSF 2, EJB 3, JPA Frameworks. • LDAP Server Setup, Analysis for migration of applications between vendor products. • Creating RESTFUL Web Services, SOA Sample Code and deploying applications on IBM Wesphere Application 7/8.5 beta release with connectivity to IBM db2 9.7 databases.

Education

Education

Certificate

University of California, Santa Cruz
Mar 1999 - Mar 2003

MBA

University of Maryland, USA
1991 - 1994

BS

University of Pune

Skills

Skills

Software Design

Testing

Subversion

MySQL

.NET

Microsoft SQL Server

Design Patterns

EJB

Web Applications

AJAX

PL/SQL

Requirements Analysis

UML

Maven

Servlets

JMS

REST

JDBC

JBoss Application Server

Integration

SOAP

Ant

JavaScript

Struts

Databases

SQL

JSP

Eclipse

Java

Software Development

Unix

Tomcat

XML

Oracle

Web Services

Vendor Management

SaaS

SDLC

Enterprise Architecture

Software Project Management

Product Management

Weblogic

Hibernate

Agile Methodologies

SOA

Java Enterprise Edition

Cloud Computing

UNIX (Sun, HP, AIX, linux), MS Windows 95/98/NT/2000/XP

c / c++ java

C/C++ STL

Certifications

Certifications

Oracle 7.x, Mar ‘95.

Sun ONE iPlanet Application Server (NAS)

Java Analysis and Design using UML