VINAY KUMAR VIPPALA

Sr Java Full-Stack Developer

Contact: 469-***-****

E-mail: ad34yi@r.postjobfree.com

PROFESSIONAL SUMMARY

Over 10 years’ experience in Back-end and Front-end development with an ability to handle any part of the process efficiently and succeed in an environment of growth and excellence and let me work on the leading areas of technology, a job that gives me opportunities to learn, innovate and enhance my skills and strengths in conjunction with organization goals and objectives.

Extensive experience in designing and developing Multi-Tier Web Applications using Java, J2EE Technologies (JSP, Servlets, JavaScript, JNDI, JSF, JMS, JUnit, Ajax, JQuery, EJB, JDBC, Web Services (SOAP, WSDL, REST, UDDI), Log4j.

Experienced in writing applications in Maven, ANT and deploying them on the servers.

Extensive experience of working with RDBMS like Oracle 11g/12 c, MySQL, SQL Server and developing Stored Procedures, Triggers, Views, Functions and SQL Queries.

Capability to perform, troubleshoot and mentor new vendor resources in all Engineering role requirements.

Automated report generation in MongoDB using JavaScript, shell scripting, java.

Experience in Web Service Technologies: SOAP, WSDL, UDDI, Apache Axis, CXF, IBM JAX-WS.

Familiar with software release management tools (Pivotal Tracker, JIRA, Rally).

Experience in User Experience (UX) design and development, User Interactive (UI) Web Pages and visually appealing User Interfaces using HTML 5, CSS3, Bootstrap, SASS, JavaScript, jQuery, Angular JS, Angular 6/8/9, React JS, Node JS and understanding in WCAG Guideline.

Utilized Kafka's distributed messaging capabilities to implement real-time data streaming and event-driven architectures within the project landscape. Can work parallelly in both GCP and Azure.

Expertise in various open-source frameworks like Angular JS, Node JS, Struts 2.0/1.2, Spring 2.5/3.0, Spring boot, Spring MVC, IoC, Web and ORM Technology like Hibernate 3.0, JPA, EJB3.0, IBatis, MyBatis, JQuery.

Experience in developing client-side, server-side/middle-tier components applying Java/J2EE design patterns and frameworks: Servlets, JSF, Struts, Spring, Web Services, EJB, MQ Services, Hibernate, JDBC, JPA, Log4j, JSP, POJO’s, JSTL, AJAX, JSON, JavaScript, XML, UML, Log4J and Junit.

Extensive experience in designing MongoDB multi-shared cluster and monitoring with MMS.

Proficient in implementation of frameworks like Struts, spring, JSF, AJAX frameworks (Rich Faces, My Faces) and ORM frameworks like Hibernate. Developed Microservices using Spring MVC, Spring Boot, and Spring Cloud.

Transaction implementation (CMP, BMP, Message-Driven Beans), Struts, Spring, Swing, Hibernate, Java Beans, JDBC, XML, Web Services, JNDI, Multithreading etc..

Expertise in the implementation of Core concepts of Java, J2EE Technologies: JSP, Servlets, JSF, JSTL, EJB

Experience with creating and workflows and Mappings, running jobs in Informatica 9.5/ETL.

Knowledge of Grid Controls, Pie Charts and other Swing Components.

Extensive experience in Amazon Web Services like EC2, Simple DB, RDS, Elastic Load Balancing, SQS, SNS, AWS Identity and access management, AWS Cloud Watch, Elastic Beanstalk and Cloud Front, Redshift.

Experience in deploying to a cloud platform (Kubernetes, AWS).

Experience in creating Kubernetes Clusters in AWS and deploying a Docker Image on top of Kubernetes Cluster.

Experienced in using PERL to read and write data from/to Excel, Sql Server and MySQL.

Expertise in client scripting language and serve scripting languages like JavaScript, JQuery, JSON, Bootstrap, Node.js, React.

Experienced in testing Angular, Angular 2 applications using Jasmine, Mocha, Karma, and Angular Test Bed.

Experience in developing cross platform server-side applications using Nod Back Bone.js and React.js to achieve scalability in real-time web applications.

Expertise in XML technologies -XSL, XSLT, XML schemas, XPath, Forms, XSL-FO and parsers like SAX, DOM.

Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases.

Experience in writing Queries, Stored Procedures, Triggers, Cursors, Functions and Packages using TOAD.

Experience with major relational databases - Oracle 9i, 10g, SQL Server, DB2, and My SQL.

Proficient in Spring Data JPA for simplified implementation of JPA-based repositories and streamlined data access layers in Spring-powered applications. Hands in experience with build tools like ANT, Maven, and logging tools like Log4J.

Experienced in implementing applications using J2EE design patterns like Singleton, DAO (Data Access Object), RDBMS.

Experience in software configuration management using CVS, SVN and IBM Clear Case.

TECHNICAL SKILLS

Programming Languages

C, Java, JavaScript, PH, PL/SQL, UNIX Shell Script, GraphQL.

Java/J2EE Technologies

Servlets, Spring, JPA, JTA, JDBC, JSP, JSTL, RMI, Applets.

Frameworks

Struts 2.5, Hibernate 5.x, Spring 5.0, Spring Batch, Spring Security, Spring AOP, Spring Core, Spring IOC, JSF, Spring boot, AWS, Spring Transaction, Spring MVC, JPA.

Web Technologies

HTML, HTML5, CSS/CSS3, AJAX, jQuery, Bootstrap, XML, Grunt, Gulp, JSON, Express,js, SASS, LESS.

Database

SQL Server, MySQL, Oracle, MongoDB, DB2, Cassandra, RDBMS.

JavaScript Frameworks

AngularJS, Angular 8, jQuery, React.js, Node.js.js, Hapi.js, Handlebars.js, Vue.js.

Web Services

XSD, WSDL, Apache Axis, SOAP, Restful, JAX RS, JAX WS

Messaging

(Java Message Service), Apache Kafka.

Web Application Servers

Oracle WebLogic 10.x/9.x, IBM WebSphere 8.x/6.x, Apache Tomcat 8.0/7.x/6.x, Azure, AWS,GCP.

Methodologies

Agile, Waterfall, SCRUM, UML, OOPS/OOAD, Design Patterns.

Testing Tools

JUnit, Mockito, Selenium, Jasmine, Karma, Docker, Jenkins, Log4j.

Version Control

SVN, GIT, CVS.

Build Tools

Maven, Gradle, ANT

IDEs

Eclipse IDE, RAD 6.0/7.0, IntelliJ IDEA, Spring Tool Suite (STS).

Operating Systems

Windows, Linux, and UNIX

PROFESSIONAL EXPERIENCE

Client: Elevance Health, Richmond, Virginia. Mar 2023 – Present

Full Stack Java Developer

Responsibilities

Developed Single Page Applications (SPA) using HTML5, CSS3, JavaScript, Bootstrap4, Angular 11, Angular CLI, and Typescript. Build the application based on new features of Java JDK 1.8 at service layer level.

Design and development of the whole software suite Implemented multithreading and parallel.

Worked with Angular CLI, Typescript in Angular 11 to create Controllers and Components for the web pages.

Created custom directives in Angular 11 for reusable components like multi-field form elements and background file uploads in the application to restore the components.

Created services with Angular 11 injectable property to make the service available for dependency injection when creating components and modules.

Implemented Restful and SOAP based web services using JAX-RS and JAX-WS respectively.

Designed and developed third-party payment services and REST services to offer users convenient payment methods using various API’s provided by various third-party payment processors based on OAuth.

Validations are done using Soap UI and Ready API testing tool framework in different environments.

Developed Micro-Services based architecture to enable the application to be deployed on AWS.

Responsible for creating an instance on Amazon EC2 (AWS) and deploying the application on it.

Changing the AWS infrastructure Elastic Beanstalk to Docker with Kubernetes.

Implemented robust fault-tolerant mechanisms and resilient error handling strategies within Kafka clusters, safeguarding patient data integrity and system reliability.

Developed custom Elasticsearch queries and aggregations to extract actionable insights and perform complex data analysis, empowering business users with valuable information for decision-making.

Implemented a Continuous Delivery pipeline with Docker, Jenkins and GitHub and AWS AMI’s.

Optimized the performance of the application using Angular 11 Lazy loading and ahead of time compilation.

Actively participated in the daily SCRUM meetings with our team to produce quality deliverables within time.

Used JAVA 8 features like Lambda Expressions, Parallel Streams and functional interfaces.

Used Core Java concepts like Collection Framework, Multi-threading, Concurrent Object-Oriented programming, Thread pools and Externalization. Conceived, Designed, Installed and Implemented CI/ CD automation system.

Designed REST API contracts and documentation using tools like Swagger/OpenAPI, facilitating collaboration and interoperability. Developed Restful APIs and Microservices using spring, Hibernate and Jersey.

Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins.

Developed Java API to interact with the Amazon SQS used in sending bulk emails.

Participate in planning, implementation, and growth of our customer's Confidential Web Services (AWS) foundational footprint. Design and deploy new features to streamline all the manual operations.

Implementing and maintaining the reusable components in Vue.JS.

Closely worked with Kafka Admin team to set up Kafka cluster setup on the QA and Production environments.

Creation, configuration, and monitoring Shards sets. Analysis of the data to be shared, choosing a shard Key to distribute data evenly. Used Docker to containerize the Services and APIs to run on EC2 instances.

Implemented Redis as a caching mechanism to enhance performance and reduce database load, resulting in improved response times and scalability. Developed Microservices using Spring MVC, Spring Boot, and Spring Cloud.

Utilized Redis as a distributed key-value store to store frequently accessed data, enabling fast retrieval and efficient data access across distributed systems. Hands-on experience in development of Microservices and deploying in Docker.

Configured Redis replication and clustering for high availability and fault tolerance, ensuring uninterrupted service and data reliability for critical applications. Solved data issue using DOM update cycle with Vue.js.

Deployed Elasticsearch as a search and analytics engine to enable fast and relevant search capabilities for product catalog and customer data. Worked on Log4J to validate functionalities and Mockito for unit testing.

Integrated Elasticsearch with applications to enable real-time indexing and search capabilities, improving search performance and user experience.

Built Cassandra Cluster on both the physical machines and on AWS. Automated Cassandra Builds/installation/monitoring.

Used Spring Core annotations for Spring Dependency Injection, Spring MVC for REST APIs, and Spring Boot for microservices.

Scaled Microservices, distributed systems and serverless applications using Simple Queue Service (SQS).

Implemented configured and customized JIRA issue tracking software with agile plug-in across all company functions.

Worked with Web Sphere application server that handles various requests from Client and used Jenkins to perform continuous Integration.

Used Git to maintain the version of the files and took the responsibility to do the code merges from branch to trunk and creating new branch when new feature implementation starts.

Environment: Java 1.8, J2EE, HTML5, CSS3, Angular, Bootstrap, jQuery, JavaScript, Node.js, JSON, Git, Hibernate, JDBC, Rabbit MQ, Oracle, Mongo DB, Mockito, Gradle, Jenkins, Web Sphere, WebLogic, Restful, SOAP, Soap UI, AWS, Fargate, Agile Methodology, Log4J, JIRA and STS, Spring Boot, Kafka, Rest AP, Kubernetes.

Client: Abercrombie & Fitch, New Albany, Ohio. June 2021 – Feb 2023

Full Stack Java Developer

Responsibilities

Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.

Developed presentation layer using JavaScript based frameworks such as JavaScript, Ajax, JSON.

Involved in the development of the UI using HTML5, CSS3, Bootstrap, jQuery, and React JS. Experienced in React JS and working with React Flux architecture.

Migrate existing Monolithic architecture to full-fledged Microservices architecture using Spring Boot & Spring Cloud in multiple stages.

Implement and enhance Java-based multithreading ETL tool for distributing XML data into MySQL database using JPA/Hibernate. Involves in the design and development of RESTful Web Services using Apache CXF.

Integrated Elasticsearch with product recommendation engines and personalization algorithms to deliver tailored shopping experiences.

Hands-on experience on Azure VPN-Point to Site, Virtual networks, Azure Custom security, endpoint security, and firewall.

Experience in React JS and Component, Forms, Events, keys, Router, Plus Redux, Animations, and Flux concept.

Contributed to the adoption of Confluent best practices and standards within the organization, driving improvements in data streaming capabilities. Expertise in microservices on Azure Kubernetes Service (AKS).

Developing, enhancing, and maintaining a Spring Boot based Microservices application using Docker containers and Kubernetes with Azure Container Service.

Developed material and trained multiple teams at organizations on DevOps on multiple platforms such as Azure DevOps, Jenkins. Experience in building efficient pipelines for moving data between GCP and Azure using Azure data factory.

Spearheaded the implementation of Redis caching strategies to optimize performance and scalability for Abercrombie & Fitch's online platform. Develop and deploy the outcome using spark and Scala code in Hadoop cluster running on GCP.

Engineered advanced Redis data structures and algorithms to efficiently manage session data and user preferences.

Orchestrated the deployment of Redis Sentinel for high availability and failover management.

Leveraged Apache ActiveMQ to establish reliable message queues for asynchronous communication between microservices. Employed lazy loading strategies to optimize application performance by loading modules on-demand.

Configured Kafka Connect and ActiveMQ connectors to seamlessly integrate with external systems and data sources.

Developed custom Elasticsearch index mappings and analyzers to optimize search performance and handle multi-language and fuzzy search requirements.

Worked on the SPRING framework like SPRING DAO, JDBC Templates, Transactions, Security, AOP, MVC, ORM.

Developed Microservice to provide Rest API utilizing Spring Boot with various frameworks such Hibernate, PA.

Proficient in Apache Kafka for building scalable, distributed, and fault-tolerant event-driven systems.

Provided technical guidance and support to team members on Confluent-related projects. Used Apache Camel for routing the exchanges between different systems.

Developed database migrations using SQL Alchemy Migration. Prepared statements are used for communication with MySQL database. Used MongoDB and MySQL databases in Web API development.

Developed PL/SQL batches using JAVA with connectivity to Oracle for data maintenance and Apache Tomcat.

Designed and implemented Kafka-based architectures to handle high-volume data streams efficiently.

Stored the data in an Apache Cassandra Cluster Used Impala to query the Hadoop data stored in HDFS.

Developed CI/CD system with Jenkins on Kubernetes environment, utilized Kubernetes and Docker for the runtime environment for the CI/CD system to build, Test, and Deploy.

Environment: Java, Spring boot, DAO, MVC, Securities, AOP, ORM data, JPA, TopLink, Hibernate, JavaScript, React, HTML5 / CSS, AJAX, bootstrap, Agile, Scrum, Azure, EC2, S3, RDS, API Gateway, Docker, Kubernetes, ECS, SSO, SSL, Lambda, Maven, Apache Camel, Apache Kafka, JIRA, Rest API, GCP.

Client: State of Washington, Washington D.C. April 2020 - May 2021

Full Stack Java Developer

Responsibilities

Developed backend of the application using Spring Boot, implementing authentication, authorization, and access-control features with Spring Security.

Utilized Spring Dependency Injection, Spring MVC components, Spring Annotations, and other Spring Modules for the business layer and navigation.

Transitioned existing monolithic architecture to Microservices and migrated to AWS cloud, utilizing AWS Services platform for data upload into AWS S3 buckets and creating EC2 instances.

Utilized AWS CloudWatch and AWS ALB for load balancing, performing performance testing with ELB. Used SVN for version control management and code commits.

Developed responsive and user-friendly interfaces using React to enhance user experience, integrating and customizing React components within a Java full-stack environment.

Implemented REST-based Microservices using Spring Boot, creating JUnit and Mockito based unit test cases, and using Maven for project management and deployment.

Optimized React codebase for performance and led daily stand-ups and scrum ceremonies for scrum teams.

Built applications using IntelliJ IDEA, employed Log4J for application logging, and developed DAOs using JPA and Hibernate for MongoDB operations.

Integrated RESTful APIs into React components, used HTML5, CSS3, and Bootstrap for web page display and styling, and created RFP Microservice with Spring Boot for RESTful API provision.

Managed AWS EC2 instances and administered multi-data-center Cassandra cluster using OpsCenter and Nagios in production. Utilized JIRA ticketing system for issue tracking and task monitoring.

Designed and developed Restful APIs and services using Spring MVC and Spring REST for interaction within Microservices and with frontend. Developed XML Web Services using SOAP, WSDL, and UDDI for data transfer between client and server.

Implemented Core Java concepts including Collections, Multithreading, Exception handling, Design patterns, Java 1.8 functional programming concepts, and lambda expressions.

Tested web services using Postman and SoapUI, implemented OAuth 2.0 token-based authentication and authorization with Spring Security. Conducted code reviews to ensure adherence to best practices throughout the development process.

Environment: JDK 1.8, J2EE, Typescript, Spring Boot, Rational Rose, Hibernate, jQuery, React, AJAX, JSON, XML, Postman, SoapUI, Rabbit MQ, MongoDB, Node JS, Express JS, AWS, Web logic Server, SVN, JIRA, Maven, JUnit, Mockito, Log4J, IntelliJ IDEA.

Client: Citi Group, San Antonia, TX. Jan 2019 - Mar 2020

Full stack Developer

Responsibilities

Designed and developed new applications and existing system enhancements for complex projects.

Participated in requirements gathering and analysis, employing agile methodology for user interaction forms and use cases.

Utilized Core Java with Concurrent API extensively for parallel processing and chunk processing.

Designed and implemented scalable and resilient cloud architectures on AWS, integrating various services like EC2, S3, Lambda, and RDS to optimize application performance and achieve seamless functionality.

Employed Spring for dependency injection (DI) and Hibernate framework for persistency.

Developed a generic component in Java, EJB, and Castor Framework for pulling product information from ESM system in XML format. Played a key role in planning, design, development, programming, deployment and testing of the system.

Collaborated with DevOps teams to implement CI/CD pipelines on AWS, automating code deployments and enhancing development workflows. Leveraged Drools rules engine for data validation and enrichment.

Implemented robust security measures on AWS, ensuring compliance with regulatory standards.

Enabled accurate data manipulation and SQL data updates using service classes and implemented client-side input validation and back-end business logic.

Implemented data storage and retrieval strategies using AWS services like S3 and DynamoDB.

Involved in design and development of front-end/back-end API using Java, TypeScript, JavaScript, JSP.

Developed scalable front-end user interfaces using JavaScript, HTML5, CSS3, Node.JS, Angular.JS, and Backbone.

Created Angular 4/5 forms for user input and optimized DynamoDB operations and implementing query pattern authentication and authorization features.

Collaborated with Java backend team for seamless integration between front-end and backend components.

Created High-Level Design Document and Technical Architecture Document, using JMS for Asynchronous messaging.

Validated query execution plans and tuned queries using Indexes, Views, and Batch processing.

Used Ant tool for building & deploying applications on UNIX machines, planning Delivery Strategy and Rollout Strategy with UAT and Prod Teams.

Environment: Java8, STS, Spring Boot, Spring Integration, Spring Batch, Spring Rest, Spring AOP, IBM MQ, JMS, AWS, Web Services, Eclipse, Maven, Jenkins, Restful, Angular 4/5, JIRA, Oracle, JUnit, SVN, Linux

Client: AutoZone, Memphis, TN. Nov 2017 - Dec 2018

Role: Full Stack Developer.

Responsibilities:

Designed and developed RESTful web services using Spring Boot and Jersey framework.

Developed an in-parallel computation framework for association, correlation, and aggregation analytics using Java and Hazelcast backed by MongoDB and MySQL data stores.

Developed new features for highly concurrent, multi-threaded microservice applications that run on Tomcat in a Linux cloud environment using Java, MongoDB, Sybase, and Hazelcast.

Implemented robust DevOps practices on Azure, streamlining the software development lifecycle and enhancing collaboration across teams. Experienced in Azure DevOps for CI/CD, automated testing, and deployment.

Developed Spring Boot applications using Java 1.8, Spring Tool Suite (STS), and Maven as the build tool.

Developed frontend and middleware components using Spring, Spring MVC, Spring Web Flow, DAO, and Hibernate3.

Used Spring Core annotations for Spring Dependency Injection, Spring MVC for REST APIs, and Spring Boot for microservices. Implemented REST API versioning to ensure backward compatibility and smooth evolution.

Utilized Spring Boot to rapidly build and deploy RESTful microservices, leveraging auto-configuration and dependency injection for increased productivity.

Designed and configured Azure Virtual Networks to ensure secure communication between on-premises infrastructure and Azure-hosted applications. Extensively used Kubernetes and Docker to enable faster and consistent deployments.

Configured and optimized Kafka clusters to ensure high availability, reliability, and performance of real-time data processing workflows. Implemented Spring Boot microservices to process messages into the Kafka cluster setup.

Implemented Kafka Connect for seamless integration with external data sources and sinks, facilitating data synchronization and ingestion. Conducted unit testing using AngularJS/2 testing utilities to ensure code reliability and quality.

Created services to consume REST APIs and to communicate between components using Dependency Injection provided by Angular 2. Developed Single Page Applications (SPAs) using Angular 2, Typescript, HTML5, CSS3, and Bootstrap.

Implemented security features provided by Confluent, including encryption, authentication, and authorization mechanisms, to protect sensitive data. Integrated Swagger/OpenAPI for clear documentation of REST APIs, enhancing collaboration.

Collaborated with cross-functional teams to design and deploy Confluent-based solutions tailored to AutoZone business requirements. Expertise in event-driven architectures and real-time analytics using Azure Event Hubs and Stream Analytics.

Utilized Lambda Layers and custom runtimes to streamline code reuse and enhance developer productivity across multiple Lambda functions. Converted database data into JSON/XML using AJAX calls for effective browser display.

Implemented robust Azure Active Directory integration, enhancing identity and access management for Java applications.

Contributed to the documentation of the AngularJS/2 application for future reference and knowledge sharing.

Employed AngularJS components like http, resource, and promises for dependable server communication.

Utilized Apache Kafka in a cluster as a messaging system between the APIs and microservices.

Utilized Lambda for asynchronous processing and event-driven architectures, facilitating real-time data processing.

Environment: Java, DAO, MVC, ORM, IBATIS, JavaScript, AngularJS, HTML5 / CSS, AJAX, bootstrap, Postgres, MySQL, PostgreSQL, SQL, Pl/SQL, MongoDB, Agile, Scrum, Azure, EC2, S3, RDS, Lambda, Maven, JIRA, SOA, JMS, ActiveMQ, Tomcat, Linux, Unix, Mac, Ionic, Cordova, Spring boot, Kafka.

Client: Citizens bank, West Chester, PA. Feb 2014 to Oct 2017

Role: Software Engineer

Responsibilities:

Implemented various design patterns including singleton, factory, Business delegate, session facade, Value object, and DAO. Utilized Spring Framework's IOC Dependency Injection with Service Locator Design Pattern.

Developed controller Servlet for dispatching requests in J2EE Architecture using spring, Struts, Hibernate, Servlets, WebLogic, and JSP. Utilized Jenkins for CI/CD process.

Proficient in coding Java applications on both client-side and server-side with JDBC and advanced Multithreading.

Experienced in front-end development with HTML5, CSS3, JavaScript leveraging Bootstrap framework.

Proficient in designing, developing, and deploying serverless applications using AWS Lambda, leveraging Java programming language. Used Java Persistence API (JPA) and Hibernate for Database Transactions.

Knowledgeable in Java 8.0 features such as lambda expressions, Parallel operations on collections, and Date Time API.

Employed Spring AOP modules for cross-cutting concerns and IOC for dependency injection.

Designed extensive additions to existing Java Web Application utilizing Service Oriented Architecture (SOA) techniques.

Developed Action Classes and Handlers for routing requests to JSP, involved in writing JavaScript/jQuery AJAX calls for data retrieval. Used HTTP Client module to send HTTP requests to the backend.

Integrated DynamoDB with other AWS services such as Lambda, API Gateway, and S3 to build end-to-end serverless applications and microservices. Utilized JSP Servlets for handling client requests and sending responses.

Strong knowledge of implementation of data persistency using Spring and Hibernate Frameworks.

Worked on Web Services using standard Web protocols such as XML, SOAP, and HTTP.

Implemented Lambda functions to execute business logic and handle various event-driven tasks, improving agility and scalability in Citizens Bank's applications.

Integrated Lambda functions with AWS services such as API Gateway, S3, DynamoDB, and SNS for building robust and scalable serverless architectures.

Utilized GIT for code versioning and log4j framework for debugging, information, and error messages.

Used Ant to compile java classes and package into jar archive and deployed it in IBM WebSphere server.

Performed unit testing using the JUnit framework and Struts test cases for testing Action Classes.

Environment: JDK 1.8, HTML, CSS3, JavaScript, XHTML, jQuery, JSP, JSTL, Struts, Servlets, AJAX, XML, JNDI, SOAP, Spring, Hibernate, HTTP, IBM WebSphere 7.0, MySQL, JDBC 4.0, Eclipse, Apache, GIT, Log4J, JUnit 4.0, Design Patterns, JMS, Oracle ECM, Java .

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