OBJECTIVE

• Having around 8 years on requirement analysis, design, development, testing, implementation, and support using Object Oriented Methodologies and Java/J2EE technologies in all phases of Software Development Life cycle (SDLC) like analysis, Design, Implementation, Development, Testing, maintenance and Deployment of software applications in domains like Telecom, Financial etc.
• Excellent written and verbal communication skills, Analytical, Problem Solving skills, strict attention to detail and ability to work independently, lead/work wifin a team environment.

SUMMARY

• Developed Front End using HTML, CSS, JavaScript, JQuery, Ajax, Bootstrap, Angular JS, Node.JS and also in making Webpages cross browser compatible and server scripting languages like Node JS and Backbone JS.
• Managed Amazon Web Services like EC2, S3 bucket, ELB, Auto - Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic Search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Proficient wif Software development methodologies like Agile Methodologies and Waterfall methodologies.
• Experience wif Java 8 features such as Lambda Expressions for making anonymous inline function calls and using Functional Interfaces which makes code readable and concise.
• Experience in Electron is a framework for cross-platform desktop applications using Chromium and Node.js.
• Experience in designing J2EE applications using MVC Design Patterns, Struts, Spring framework, Spring Web MVC, Spring Data, Spring Boot, Spring Security and Spring Cloud.
• Experience in handling dynamic applications using AngularJS and Node.JS.
• Developed teh application using Angular 4 and Angular Material 2
• Used JQuery plugins for theExtJSTree in teh application.Extensive experience in Java/J2EE, Spring, Spring Security, Spring Boot, JSP, Hibernate, MyBatis, EJB.
• Implemented teh business logic using Java, Spring Boot, Restful API, Spring Batch and JDBC template.
• Extensive programming experience in writing web application programs covering front-endUI JQuery and AJAX for building rich user friendly, high performance web applications.
• Experience working in Capital Market, E-Commerce, and B2B Applications Development using Java technologies.
• Has experience in Insurance domainsuch as Commercial claims, worker compensation claims, Auto claims, Pharmacy claims, Dental claims, and Physician claims.
• Experience using Spring MVC, Spring Boot, Spring Batch, Spring IOC, Spring Annotations, Spring AOP, Spring Transactions and Spring Security.
• Extensive experience working in Spring Framework, Struts framework, O/R Mapping Hibernate framework and web services.
• Teh Artifactory instance running in a Docker container is mutable, all data and configuration files will be lost once teh container is removed.
• Experience in designing and developing POCs in Spark using Scala to compare teh performance of Spark wif Hive and SQL/Oracle.
• Involved in managing and clearing Fixed Income, Equities, Derivatives and futures trade exceptions resulting from deficiencies in static data.
• Designed and developed batchjobs using Spring Batcharchitecture.
• Worked on migrating teh old java stack to Type safe stack using Scala for backend programming.
• Distributed Application Development using Actor Models for extreme scalability.
• Experienced in using Scala, Java tools like Intelli J, Eclipse
• Strong experience in developing teh SOAP and Restful webservice applications.
• Experience in designing, developing, and deploying J2EE applications on Web sphere, Web logic, Apache Tomcat and JBoss application Servers.
• Created Hibernate configuration file, hibernate mapping files and defined persistence classes to persist teh data intoOracleDatabase.
• Professional experience in relational database management (RDBMS) MySQL, Oracle, SQL server and DB2Experience in data access technologies like DDL and DML wif development tools like TOAD
• Experience Groovy Scripts for REST Web services and deployment
• Hands on experience wif Amazon web services (AWS) and Amazon cloud technologies such as Amazon EC2 (virtual servers) and Amazon Cloud Watch (monitoring).
• Deployed and configured Elastic search, Log stash and Kibana (ELK) for log analytics, full text search, application monitoring.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM
• Deploy application updates to Spring Cloud and monitored teh load balancing of different instances.
• Experienced wif JAX-RS specification like Jersey and RestEasy to implement REST based applications.
• Experience in testing web service by passing SOAP request to web service provider using SoapUI tool.
• Experienced in implementing Service Oriented Architecture (SOA) wif XML based Web Services (SOAP/UDDI/WSDL) using Top down Approach and Bottom up Approach.
• Experience in implementing Micro services architecture in client-server business applications using Spring Boot.
• Involved in integrating Micro services into an existing system architecture using Spring Boot.
• Experience wif MOCKITO, Junit and Log4j in developing test cases and determining application functionality.
• Used Maven, ANT and Jenkins to deploy automated builds in different environments.
• Expertise at JDBC API for connection and access to databases.
• Extensive experienced in working wif NoSQL databases including HBase, Cassandra and MongoDB.
• Wrote various kinds of JIRA workflow listeners to replace Groovy scripts and create JIRA plugin modules.
• Experienced in Test Driven Development (TDD) and Unit Testing using Python.
• Having Experience on UNIX commands and Deployment of Applications in Server.
• Knowledge on FIDO implementing coding for authorization user accounts.
• Ability to work effectively on teh Linux, Windows and OSX platforms.
• Ability to work effectively in cross-functional team environments and experience of providing training to business users.
• Designed NoSQL Cassandra data model for predictive monitoring project
• Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment.

TECHNICAL SKILLS

Languages: C, C++, Java, J2EE, Scala SQL, PL/SQL, PHP

J2EE Technologies: Servlets, JDBC, JSP, JSF, JMS, EJB, Java Security, JNDI

Mark-up/XML Technologies: HTML, CSS, JavaScript, JQuery, Ajax, AngularJS, Node.JS, PHP, XML, XSD, XSL/XSLT, SAX/DOM, JSON, Electron.

Tools & Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Boot, JUnit, ANT, Maven, Apache ActiveMQ, SOAP UI, Apache Camel.

Web services: SOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Axis2, MicroServices, AWS (Amazon Web Services).

Web/App Servers: IBM Web Sphere, Apache Tomcat, JBoss, Web Logic Server

Database: Oracle, SQL Server, Netezza, My SQL Workbench, TOAD, MongoDB/NoSQL, Cassandra/NoSQL.

IDEs: Eclipse, Intellij, Spring Tool Suite (STS), RAD

O-R mapping: Hibernate, IBATIS

Testing Tools/ Others: JUnit, Soap UI, Putty, Rational Clear Quest, RTC, StarTeam, Elastic Search,Jira.

Version Control: Tortoise SVN, CVS, Rational Clear case, GitHub, Git Bash,Bit Bucket

Build Tools: Ant, Maven, Jenkins,Docker,Artifactory.

OS & Environment: Windows, UNIX, Linux.

Cloud Technologies: AWS EC2, S3 bucket, ELB, Auto-Scaling, SNS, SQS, AMI, IAM, Dynamo DB, Elastic search, Virtual Private Cloud (VPC), Micro Services, Pivotal cloud foundry.

PROFESSIONAL EXPERIENCE

Confidential, Colorado Springs, CO

Sr. Full Stack Java/J2EE Developer

Responsibilities:

• Work closely wif business teams, technical teams and our 3rd parties to analyze and understand business requirements, participate in technical solution architecture, and design/ develop/test teh final software product.
• Involved in teh complete SDLC (software development life cycle) of teh application from requirement analysis to testing.
• Followed Agile Rational Unified Process throughout teh lifecycle of teh project.
• Designed User Interface(UI) using HTML, CSS, JQuery, NodeJS and AngularJs and XML in a responsive grid layout.Implemented responsive design template to get a new interface in Bootstrap, HTML.
• Involved in developing Single Page Web Applications (SPA) using AngularJS and Angular4.
• Worked on Java, Apache Kafka, MongoDB, SQL Maven, Scripting, Git while working on dis project. Worked on Integrating External plugins wif ExtJSTree to meet teh Client requirements.
• Experience in implementing Auto Complete/Auto Suggest functionality using Ajax, JQuery, DHTML and JSON.Developed teh Prescreening Module inExtJSmainly using teh Grid and Tree Panel.
• Worked wif Java8 Lambdas, Streams API and parallel streams API for enabling parallel processing of collections in distributed environment.
• Generate teh .fpr (Fortify Scan Report) file to verify fixes in HPE-Security17.2 audit work bench tool.
• Involved in designing teh client-side module architecture based on new Angular Framework.Involved in struts2 migration for GNS module to over come Black Duck vulnerability security fixes.
• Involved providing security for teh application using Site Minder.Used NodeJS to run Angular6 on server wif mock JSON data and completed teh UI development independent of server.Configured pom.xml to deploy teh project using Maven.Used Brackets IDE for UI development and RAD IDE for Server.
• Provided Technical support for production environments resolving teh issues, analyzing teh defects, providing and implementing teh solution defects. In Migration from Java7 to Java8.
• Involved complete lifecycle process through DevOps process using tools like Git, Stash, Jira, Sonar Cube, Jenkins, Ansible, Artifactory and Flyway DB.Developed Scripts for teh build process and deployed in Web Logic 12.3c.
• Used Scala collection framework to store and process teh complex consumer information. Based on teh offers setup for each client, teh requests were post processed and given offers.
• Used slick to query and storing in database in a Scala sparkfashion using teh powerful Scala collection framework.
• Capable of designing and integration of Kibana dashboards wif Elastic search. Hands on experience on data modeling and cluster provisioning using Elastic search.
• Implementing teh business requirements using Spring MVC, Spring Boot, Spring Data and Spring Security.
• Developed Spring Boot applications using Spring Batch. Used Spring Boot which is radically faster in building Cloud Microservices.
• Used Spark-Streaming APIs to perform necessary transformations and actions on teh fly for building teh common learner data model which gets teh data from Kafka in near real time and Persists intoMangoDB.
• Implemented Spring Batch and Spring Task Scheduler to automate importing data from CSV files sent from client into DB2 database.
• Implemented Spring Boot wif Microservice to divide teh application into various sub modules.Used Micro services to build flexible, independently deployable software systems.Developed an API to write XML documents from a database. Utilized XML, XSL and XSLT Transformation for dynamic web content and database connectivity.
• Used Spring Core Annotations for Dependency Injection Spring DI and Spring MVC for REST API and Spring Boot for micro-services.Developed and consumed web services using JAX-RS, Spring, Jersey, Apache Camel and JAX-WS
• Developing Automation Scripts using Groovy Script wif teh halp SOAPUI tool as per teh Technical and functional requirements.
• Implemented new features in Groovyprogramming language as a part of Jenkins continuous delivery.
• Implemented teh application usingSpringMVC Framework and handled teh autantication, authorization, and access-control features by usingSpringSecurity.
• Involved in creating teh Hibernate POJO Objects and mapped using Hibernate Annotations.Implemented Web-Services to integrate between different applications components using Restful using Jersey.
• UsedMongoDBas data storage and utilized aspects like replica sets, sharding and clever document design to make service extensible scale and feature wise.
• Implement CI/CD tools Upgrade, Backup, Restore, API call.Working knowledge of various AWS technologies like SQS Queuing, SNS Notification, S3 storage etc.
• Developed tools for monitoring and notification using Python.Developing different GUI screens using widgets like Tree and Table form in Eclipse SWT/RCP.
• Actively involved in writing SQL using SQL query builder. Developed Database Procedures for updating, Inserting, and deletingtable for a complete logical Unit of Designed and developed teh End Points (Controllers), Business Layer, DAO Layer using Hibernate.
• Actively used teh defect tracking tool JIRA to create and track teh defects during QA phase of teh project.
• Worked wif WebSphere Enterprise application server dat handles various requests from Client.
• Developed test cases using Junit and teh build scripts using Maven.Used Git to maintain teh version of teh files and took theirsponsibility to do teh code merges and creating new branch when new feature implementation starts.
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them wif Restful endpoints.
• Created AWS EC2 instances and installed required configurations and applications on it and created AWS S3 buckets for storing.
• Developed REST APIs using Spring MVC and Spring boot, hosted all Micro services on AWS and used Elastic Beanstalk to setup application and configured environments.Implemented Micro Services based Cloud on AWS Platform andSpring Cloud Foundry.
• Worked wif Unixcommands to check and match teh output manually.Contributed in developing a Solace utility to produce and consume messages toSolace topics/queues.
• WritingShellScripts to run batch jobs, automated processes, and to automate routine systems administration tasks.
• Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins,Maven Artifactoryis both a source for artifacts.

Environment: Java 8, J2EE, HTML, JavaScript, AJAX, Angular2, Node.JS, JSP, Servlets, Hibernate, Spring MVC, Spring IOC, Spring Data,Spring Security, WebSphere Enterprise,WebLogic 12.3c, Spring Boot, JIRA and Spring cloud, JUnit, Maven, Log4J, Oracle, WebSphere, Micro services, MongoDB,Scala,Git,Groovy,Spark,Bootstrap, oracle12c,Jenkins, Artifactory,Apache AXIS, SOA, RESTful, Python, AWS EC2, S3, Elastic Beanstack.

Confidential, Plano, TX

Sr. Full Stack Java/J2EE Developer

Responsibilities:

• Involved in SDLC requirements gathering, analysis, design, development and testing of application developed using AGILE methodology.
• Using wif Java 8 features such as Lambda Expressions for making anonymous inline function calls and using Functional Interfaces which makes code readable and concise.
• Created user-friendly GUI interface and Web pages using HTML5, CSS3, Java script, jQuery, AngularJS, and NodeJS.
• Created reusable templates using Angular directives and worked wif npm package manager tools (NodeJS).
• Defined new validations through AngularJS for teh form field validation implemented through HTML5.
• Experience in design and development of various web and enterprise applications using technologies like Scala.
• Experience in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
• Used Spring MVC, Ajax and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers published teh business layer as services and injected teh necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, transactions using Spring AOP.Integrated Spring DAO for data access using Hibernate.
• Implemented persistence framework using Hibernate& Handled Transaction Management using teh provided data source.
• You can view public repositories wifout a Bitbucket account if you has teh URL fot teh repository.
• Electronis a framework for creating native applications wif web technologies like JavaScript, HTML, and CSS. It takes care of teh hard parts so you can focus on teh core of your application.
• Using Spring Security framework for user level autantication wif REST API for service layer Development.
• Experience in designing, developing, and deploying J2EE applications on Web sphere, Web logic, Apache Tomcat and JBoss application Servers.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships. Created data
• A code project can consist of multiple repositories across multiple accounts but can also be a single repository from a single account Bit Bucket.
• Extensively used HQL and SQL for querying databases. Developed Message Driven Bean for asynchronous sending Messages using JMS.
• Artifactoryis both a source for artifacts needed for a build, and a target to deploy artifacts generated in teh build process.
• Consumed Web Services to interact wif other external interfaces to exchange teh data in teh form of XML and by using SOAP.
• Used Rest methodology for teh service layer interface and used JSON for teh data transformation. Developed various AJAX and JSON calls for teh communication between teh server and teh UI.
• Developed web services for produce and consumed teh services by making Web Service Calls to remote services in different applications.
• Involved in developing Web Services to send XML request and reading teh response SOAP UI from Java platform.
• Developing RESTFUL web services using JPA, Pivotal Cloud Foundry. Involved in implementing Micro services using spring boot, Pivotal Cloud Foundry.
• Used Spring JMS module for lookup for teh queues and MDBs for teh listeners
• Established Database Connectivity using Hibernate O/R mapping wif Spring ORM for MySQL Server.
• Developed teh Mapping Resource Files for teh database entities.
• Experience in Cassandra to store and process borrower. Implemented a Cassandra NoSQL based database and associated RESTful web services.
• Packaged and deployed teh application in IBM WebSphere.
• UsedIntellijas IDE to develop teh application and followed teh standard features for debugging and running.
• Written LINUX shell scripts to identify user login information. Playback and technical presentations to teh clients on acquired knowledge. Generating reports in PDF using iText Open source and excel file formats.
• Used log4J for application logging and notification tracing mechanisms. Analysis and Bug fixing of teh production problems and defects along wif enhancements
• Used Rational Clear Case for teh version control. Used Maven as teh build tool. Used J-Unit Testing and Ant Scripts.
• Used JIRA for tracking teh Project Stories in AGILE Methodology.

Environment: Java 1.8, J2EE (EJBs, JSP/Servlet, JDBC), XML,XSLT HTML, CSS, Java Script, jQuery, Ajax, AngularJS, Node.JS, JSON, JMS, Struts, Spring, MVC design patterns,Bit Bucket, Spring MVC, Cassandra, Artifactory Hibernate, Agile, Ant, Maven, IBM Web Sphere, PHP, SOAP UI, JNDI, Log4J, MySQL Server, JIRA, RMI, Intellij, IDE, LINUX.

Confidential, Dallas, TX

Java/J2EE Developer

Responsibilities:

• Involved in client requirement gathering, analysis & application design of Extreme Programming using Agile methodology wif iterative and incremental software development.
• Worked wif Onshore team members and participated in work planning team bandwidth and prepared work breakdown Developed service-oriented middleware to in corporate two legacy source systems and published them as web-services. Incorporated source system specific business logic in Java code and exposing them as Web Service as per Base profile specifications andWSDLcontract.
• Involved in teh development of teh User Interfaces using AngularJS, HTML, JSP, JS, CSS and AJAX.
• Developed internal services using Java and Node.js.
• Wrote internal and external API services using Node.js modules
• Used Dependency Injection feature ofSpring frameworkto inject dependency into objects and to wire objects of business classes.
• Used Spring framework including Spring core /IOC, Spring Web, Spring Security.
• Efficiently handled periodic exporting of SQL data into Elasticsearch
• Developed persistence layer Data access objects usingDAO pattern, JDBC, Hibernate
• Developed costume queries using Hibernate criteria, nativeSQLandHQL.Developed inheritance domain objects using table per class hierarchy strategy.
• Configured EH Cache to load teh static tables into secondary storage area.
• Implemented SOA architecture wif Web Services using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons.
• Developed Stateless session beans to parse (parser frame work) and process teh user request into domain object (DAO design pattern) to delegate teh business request to teh business delegate object
• Used SOAP web services and XML data over HTTP.
• Developed necessary parsing and XML construction logic usingXML,XSLT parser APIs JAXB.
• Developed user interface usingJSP, Struts published validation framework to support client side and server side validation.
• Used built in store Procedures to reach teh requirements from teh Client to improve teh response times of teh services.
• Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle 10g using TOAD tool.
• Developed an automated application using JMS for messaging and JNDI to interact wif teh Server.
• Used Rally which is Project Management Software dat keeps track of all activities of teh project development status.
• Used Hibernate as ORM tool to store teh persistence data into teh Oracle database.
• Created Stored Procedures using PL/SQL.
• Developed Scripts for teh build process and deployed in Web Logic Server.
• Developed customized SQL for retrieving teh data from teh database worked wif business and client to reach teh performance parameters.
• Used Jenkins as build management tool for continuous integration process.
• Implemented Log4J for logging errors, tracking using logger’s components.
• Developed unit test cases to test business scenarios associated wif each use case sequences.
• Used GIT for version control tool.
• Experienced in writing unit test cases using JUNIT.
• Worked on UNIX environment for development.
• Actively participated in production support.

Environment: Java, JEE, JSP, HTML, CSS, JavaScript, AngularJS,Node.js, Spring (dependency injection, AOP), Spring Web, Struts, Hibernate, JMS, Clear case, WebLogic Server, Elastic Search, Web- services, SOAP, Node.js WSDL, JNDI, UDDI, JAX-RPC,XSLT JAXB, Log4j, Oracle, Rally, JUnit, Jenkins, GIT, TOAD, Scala, UNIX.

Confidential, Columbia, SC

Java/J2EE Developer

Responsibilities:

• Involved in analysis, design and development of business use cases and system requirements.
• Developed Java API to collect metrics and configuration data from teh underlying host server using java and j-Interop.
• Used STRUTS tags for front end application development.Added JMX support to monitor agent's behavior.
• Coding teh desinged modules C, C++, multi-threading, data structure and algorithms.
• Provide teh ability to obtain performance data from external devices dat support active SNMP requests.
• Configured and added functionality to invoke remote machines using Wiseman (WS-Management).
• Authored rules dat raise alerts for problems in teh virtualized environments.Developed windows PowerShell scripts for QA and support team.
• Worked on JMS for sending a message and Message Driven Bean (MDB) to receive teh message for providing Asynchronous communication.
• Developed customized SQL for retrieving teh data from teh database worked wif business and client to reach teh performance parameters.
• Involved in writing Maven scripts for automated deployment of teh application.
• Used as XML parser to parse xml document containing application configuration information.
• Performed unit testing using JUnit framework and monitored teh error logs using Log4J and fixed teh problems.

Environment: Java, J2EE, HTML, C++, JSP, EJB, Servlet, SQL, JNDI, JMS, XML Web Services, SOAP, Junit, ANT, Eclipse, Apache Tomcat, Web Logic.

Confidential

Jr. Java Developer

Responsibilities:

• Used Struts Framework for major data entry and verification screen.
• Extensively used Spring 2.0 framework's Dependency Injection (DI) for object's dependency resolution.
• Extensively used AJAX for asynchronous loading of Webpages.
• Developed teh presentation layer wif Spring MVC using JSP and JavaScript.
• Used Spring AOP's Declarative transaction management approach to handle transactions.
• Used various J2EEdesign patterns, like DTO, DAO, Service Locator, Session and Singleton.
• Applied MVC pattern of Ajax framework which involves creating Controllers for implementing Classes.
• Work on projects optimizing Visual C++ codes for financial software using Microsoft Visual Studio 2005
• Used JAXB for convertingJava Object into a XML file and for converting XML content into aJava Object.
• Consumed Web Service for transferring data between different applications.
• Written complex SQL queries, Stored procedures, functions and triggers in PL/SQL.
• Involved in Installation and Configuration of Tomcat, Spring Source Tool Suit, Eclipse, unit testing.
• Maintained teh internal Clear-Quest website.
• Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility classUsed Hibernate framework as teh persistence layer for interacting wif Oracle.
• Using MULE ESB to route various service calls, to do validation of service input and to handle exceptions.
• Coordinating wif developersand testers for Clear-Case related issues.
• Used JMS (Java Messaging Service) Publish/Subscribe model for asynchronous communication between different modules. Configured and used Log4J for logging all teh exceptions and used Clear Case Version Control.

Environment: Java, JDK, JSP, C++, Struts, Spring IOC, Spring Boot, Spring Data, Hibernate, HTML, XML, DHTML, Log4j, Ant, WebSphere,JMS, Multithreading, Web Services (SOAP/WSDL and REST), Web Logic Application Server, JUnit, Maven, SVN,JavaScript, CSS, UNIX.

Confidential

Jr. Java Developer

Responsibilities:

• Involved in teh design and development of an entire Module - Guided Set Up. Developed user interface through JSP and Servlets.
• Developed Action classes and Action Forms using teh struts framework.
• Developed Customs tags to display dynamic contents and to avoid large amounts of java code in JSP pages
• Connected to database through JDBC.
• Extensive experience working wif XML (DOM and SAX).
• Supported development and integration of C++ applications as per specifications.
• Used SQL-server to store teh items in teh database.
• Used Session beans for navigation of steps.
• Used Entity beans for storing teh database in to database. Developed Session Beans as teh clients of
• Entity Beans to maintain teh Client state.
• Developed Ant Scripts to build and deploy EAR files on to Tomcat Server. Analyzed teh EJB performance in terms of scalability by various Loads, Stress tests using Bean- test tool.
• Extensively used Eclipse while writing code as IDE. Written complex SQL queries, stored procedures, functions and triggers in PL/SQL.
• Developed test cases and used JUnit for Unit Testing.
• Used CVS for version controlling.

Environment: Java, J2EE, Servlets, C++, XML (DOM and SAX), JSP, EJB, JavaScript, CSS, JDBC, Struts, Ant, Web Logic Application Server, WSAD, Eclipse IDE, SQL-Server, Apache Tomcat, Oracle, PL/SQL, CVS, PVCS, Junit, Windows.