Java/J2EE Developer

Project disciplines include Telecommunication, Network Management Monitoring, Communication Systems, Commercial Aviation Systems,Retail Merchandising and Finance Systems.

Overview

• Highly talented ,accomplished and results-drivenIT professional with over 12 years of experience in delivering cost effective, high performance technology solutions to meet challenging business demands using Java/J2EE technology stacks.
• Has an exceptional record and extensive experience in all the facets of information system methodology from analysis through conceptualizing, designing and coding technical solutions using Java/J2EE technology, implementation, quality review, user trainingand documentation.
• Possess excellent analytical, problem solving, architecting, debugging, troubleshooting and decision making skills. Results oriented professional with experience and expertise in converting user requirements into system specifications throughout the full software development life cycle projects. Possess self-taught and self-teaching, with a demonstrated aptitude for acquiring knowledge and skills.

Areas of Effectiveness

• SDLC Process Experience Java/J2EE Technology Web Application development
• Release Management Unix/Linux/Solaris OS NMS EMS Product Development
• Prototyping Data Base Applications Wireless Access Point Management
• Impact Analysis Socket Programming Networking Protocol Knowledge
• Architectural Design ER modeling Switch Router Management
• Design Functional, Technical Quality Analysis Switch Router S/W Development
• Analytical Problem Solving Skill Estimation Reviews Risk Assessment Mitigation
• UML Use Case Analysis Sequence Diagrams Debugging Troubleshooting
• S/W Configuration ManagementTesting Unit, System, Integration, Regression User Acceptance

Technical Summary

Methodologies: Agile, Waterfall, Object Oriented Analysis Design

JAVA/Web Technologies: Java, J2EE, EJB, JMS, JSP, Servlets, Java Script, WebServices, WSDL, XML, JAXB, AJAX, SOAP, JSON, RMI, Java Swing, JNI, JUnit, EMMA, Findbugs

Frameworks: SPRING , Struts, Hibernate,Toplink, Adventnet WebNMS, FreeRadius, JRadius, SNMP4J

Scripting: UNIX Shell Scripts, Expect

Application Servers: Tomcat, JBoss,Websphere, OC4J

IDE/Build Tools: Eclipse, IBM RAD, JBuilder, Ant

Tools: Adventnet and Westhawk SNMP Stack, Wireshark/Ethereal packet sniffer, TOAD, SQL Navigator, Charles Web Debugging, Visio,iReasoning

Protocols/Standards: TCP/IP, UDP, SNMP, DHCP, PXE, Multicast, ARINC

Databases: Oracle, My SQL, SQL Server

SCM Tools: IBM Clearcase, Subversion, WinCVS

Defect Management Tools: TestDirector, Clearquest

Researches done:

• Switch/Router Management software and related protocols
• Inflight internet systems over Satellite and cellular network
• Inflight entertainment systems over Satellite and cellular network
• Study of Compaq Insight Manager 7, HP Openview Network Node Manager 6.1
• Study of Intel LANDesk Client Manager LDCM , and server manager LDSM

Confidential

Sr. Java Developer

Confidential traffic over the satellite link. This project involves the design and implementation of management of the Satellite Modem device and routing the passenger traffic over the satellite link.

Environment: Java/J2EE, JMS, Spring, JSP, Java Scripts, Java Socket programming, Hibernate,UNIX Shell Script, Ethereal,JBOSS,My SQL, iReasoning, Eclipse.

Responsibilities:

• Worked on complete life cycle of software development, which included new requirement gathering, redesigning and implementing the business specific functionalities, testing and assisted in deployment of the project to the PROD environment
• Designed and developed applications using Agile methodology, UML and OOAD
• Worked as part of a Scrum team to deliver technology solutions in an Agile fashion including but not limited to sprint planning, complexity analysis, standup calls, and sprint retrospectives
• Developed Prototypes for various modules of ABS System
• Implemented the JMS framework for inter module and inter application communications using the messages and events.
• Used Abstract Factory, Singleton, Composite and Observer design patterns to design various services.
• Involved in developing the Web GUI application using Spring framework to provide the monitoring and management capability of various devices in the ABS system to the maintenance user.
• Developed complex handlers using the callback pattern to update the current status of the network to various dependent modules.
• Worked extensively on JMS, Java multithreading, Collections, and Socket programming to manage the satellite modem and control it to establish the link.
• Configured and accessed Hibernate to write hibernate criterion queries to execute against database
• Involved in design and code reviews of the peers to improve the quality of the customer deliverables.
• Adhering to architecture standards, risk management and security policies
• Involved in end-end development of the project.

Confidential

Sr. Java Developer

Confidential Processing Unit to monitor and manage the Airborne Broadband System that provides internet and entertainment service to the inflight passenger over the ATG link. This project involves the design and implementation of management of various units of the ABS system and provides internet access to the inflight passengers.

Environment:, Java/J2EE,JMS, SOAP, Axis2, Spring, Struts, JSP, Java Scripts, AJAX, WSDL, JSON, JRadius, SNMP,JBOSS,My SQL, Hibernate,iReasoning, Eclipse.

Responsibilities:

• Involved in the Full Life cycle of the project from design through testing and implementing the project using Agile Methodology, UML and OOAD.
• Worked as part of a Scrum team to deliver technology solutions in an Agile fashion including but not limited to sprint planning, complexity analysis, standup calls, and sprint retrospectives
• Developed the device management module using abstract factory pattern that creates instances of the device class and implement the methods to control the devices.
• Involved in the design and development of Portal application using Spring and Struts framework that allows the users to purchase the internet service in the flight.
• Worked in writing the Hibernate queries using Hibernate Query Language HQL to access the My SQL database to retrieve the position of the flight.
• Developed the code using WSDL and Axis to generate SOAP query to request for the flight information from the ground server.
• Implemented the user session management module that performs authentication and subscription using JRadius framework APIs.
• Involved in writing Java script that uses AJAX and JSON to fetch the user session details from the server.
• Performed impact analysis and feasibility analysis for the new features and enhancement s being done in the project.
• Performed release management activity by tracking the requirements against design, coding, test plan through traceability matrix.

Confidential

Sr. Java Developer

Confidential that is responsible for downloading the software and configuration bundle from the ground server and activate the same on the Airborne Broadband System devices. This project involves the design and implementation of download and activation services modules.

Environment: JBOSS, JMS, Java, JSch, SFTP, JAXB, Spring, Struts, JSP, Java Scripts, SNMP, Shell Script, Expect, MySQL, iReasoning, Eclipse.

Responsibilities:

• Worked on complete life cycle of software development, which included new requirement gathering, designing and implementing the business specific functionalities, testing and assisted in deployment of the project to the PROD environment.
• Worked with system engineering team and prototyped the software upgrade procedure.
• Involved in the design and development of software download module which uses JSch framework to download the software bundle using SFTP protocol from the ground server.
• Developed JAXB code to parse the XML files that possess the metadata details about the software and configuration of each device.
• Wrote code using XML Transform package to create/update the xml files.
• Developed shell scripts and Expect scripts to perform the software upgrade on the devices.
• Designed fallback support on software upgrade failure using Java Exception handling mechanism.
• Involved in developing the Web GUI application using Struts framework to provide the status of software upgrade process to the maintenance user.
• Developed scripts to automate the testing process through multiple iterations.
• Developed code using SNMP4J APIs to communicate and upgrade the devices through SNMP protocol.
• Worked with the test team and tracked the defects through TestDirector tool to bring them to closure before the release to production.
• Provided training and mentored few junior team members on the product.

Sr. Java Developer

Product to manage the wireless access points deployed all over the city that provides internet access to the public. This project involves the design and implementation of various network management features that includes Fault, Configuration, Discovery, Topology, Performance and Security features.

Environment: Adventnet WebNMS Framework, Java, RMI, Java Swing, MySQL, Multithreading, JAXB, SNMP, Shell Script, Expect, MGSoft, JBuilder.

Responsibilities:

• Involved in requirement gathering and analysis. Followed waterfall life cycle model to implement the requirements.
• Worked extensively in the Adventnet WebNMS framework to implement the NMS features towardsmonitoring and managing the WAPs.
• Involved in the design and development of device discovery and topology module which uses WebNMS discovery and topology filters.
• Carried out the design and development of Object modeling and Alarm synchronization modules using Observer design pattern.
• Developed Java classes for business tier implementation.
• Designed and developed GUI using Java Swing for the administrator to configure the WAPs.
• Wrote code using Hibernate APIs to access/update the entities stored in MySQL database.
• Worked with the test team and tracked the defects through Clearquest tool to bring them to closure before the release to production.
• Developed scripts to analyze the logs and debug the issues in quick and efficient manner.
• Provided 24/7 production support and resolved production tickets.
• Involved in enhancements of the system and worked on fixing bugs and supporting the entire system.

Java Developer

A Web-based application for controlling and analyzing various Reporting units Satellite terminal . Application is developed using the J2EE Struts framework. All the configurations to manage the satellite terminal will be obtained as input through web pages JSP and will be updated in the ORACLE database using Toplink APIs.

Environment: OC4J Container, Struts, Java, JSP, Servlets, Oracle DB, Oracle Toplink, JDeveloper, SVN, Eclipse, TOAD.

Responsibilities:

• Involved in design and development of fault management, configuration management and performance management modules.
• Implemented the MVC architecture using the Struts framework.
• Developed and customized UI views using JSP and JavaScript.
• Developed the Java classes for business tier implementation.
• Wrote the database access code using Toplink APIs to access the database entities based on the request from the user through GUI.
• Performed the war file deployment of the application in the OC4J container.
• Involved in the code merge and code checkin process during release.
• Analyzed the application for performance issues and applied fixes wherever the performance bottlenecks existed.
• Base lined the coding standards and best practices.
• Involved in analyzing the critical issues in the project and provided post deployment support.

Java Developer

Wireless Application Protocol is the technology that enables access to the Internet from mobile phones, via a WAP gateway. WAPR WAP Reporting system is the Telstra's WAP Reporting system. Objective of the application is to provide the business with effective WAP product performance reporting capabilities.

Environment: Java, Shell Script, PERL Script, PL/SQL, Oracle DB, Clearcase.

Responsibilities:

• Contributed as a developer and was responsible for interacting with business analyst to understand the day-to-day development tasks.
• Written Shell scripts to get executed as nightly batch job to load the data from the external system.
• Used Perl script to parse the log files, convert into human readable format, summarize the content and load the contents to Oracle database.
• SQL queries were developed to fetch the contents from the database and created statistic reports in the form of web pages.
• Involved in bug fixing and maintenance of the application.
• Responsible for overseeing the quality of the deliverables by co-coordinating reviews and implementing best practices.

Java Developer

Java swing based client-server application to control the call processing switch which is responsible for switching the data and voice calls. All the device configuration details will be stored in Enhydra DB and the same will be applied on the device on bootup.

Environment: JAVA, Swing, RMI, Multithreading, JSP, Servlets, XML, JUnit, Python, Enhydra DB, Eclipse, Apache ANT, Clearcase and Clearquest.

Responsibilities:

• Involved in design and development of modeling the device objects.
• Developed and customized UI views using Java Swing.
• Developed the Java classes for server side modules for device configuration.
• Developed a scheduler module to schedule the jobs that can perform backup of the device configuration at scheduled interval.
• Wrote Unit test cases using JUnit framework and automated the Unit testing process for the configuration and performance management modules.
• Adhered to coding standards, procedures and techniques while contributing to the coding and technical documentation.
• Involved in the Code review Team that suggests the best way so that the product is stable and is implemented with the best performance and efficiency.

Java Developer

Responsibilities:

• Involved in the design and development of client side modules and web pages.
• Developed the user interface for the application using JSP.
• Developed JavaScript to validate forms.
• Used Struts framework for development of the application and Tomcat for the deployment container.
• Responsible for writing the test cases.
• Developed a java based installation pack to install this application for the clients.
• Wrote JDBC queries to store and retrieve the inventory details from MySql database.
• Involved in bug fixing of the issues raised by ST/AT team.
• Attended trainings on Advanced Java course

Java Developer

to trackthe activities of the mutual fund customers. Maintain databases for customers, to capture the activities of the customers and have the backend application to access it and provide response to the client.

Environment: Core Java, Swing, RMI, XML, JUnit, MySQL, Subversion.

Responsibilities:

• Involved in the design and development of the GUI application using Java Swing for the Agents to login and view the customer details.
• Wrote JDBC queries to store and retrieve the mutual fund details of the customers.
• Involved in the development team and contributed towards RMI implementation to implement Client-Server architecture.
• Developed a java based test application using JUnit to validate the software.
• Involved in Testing, bug fixing of the issues raised by ST/AT team.
• Performed documentation of the front end GUI design details.