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sai vaybhav - java devloper

[email protected]

Location: Columbus, Ohio, USA

Relocation: any

Visa: GCEAD

SUMMARY: Around 10 years of IT professional experience in all phases of software development life cycle (SDLC) including requirement Analysis, Design, Development, Kanban, Debugging, Deployment, and Testing of various Web-based and client/server N-tier applications using Java, J2EE Technologies by following Agile Software Development Methodology. Experience in Software Development Life Cycle (SDLC), Rational Unified Process (RUP), AGILE methodologies, and Enterprise Java Beans. Hands-on experience as Java Full Stack developer in various technical and functional areas of J2EE Technologies like core java, Multi-threading (Executor framework), Servlets2.1/1.2, DAO layer, REST API, SOAP, Spring core, Spring AOP, Vaadin Framework, Spring JDBC, Spring Security, JMS (Java Micro Services), Spring MVC and Hibernate (ORM) Experience in Responsive web design and Java API Development experience for developing partner Homepages using HTML5, CSS3, JavaScript, ReactJS, NodeJs, and JQuery. Implemented an express GraphQL library to mount a GraphQL API server on the user-configured HTTP endpoint. Developed RESTful API services that work as a middleware between our application and third-party that will be used using Golang. Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of infrastructure as a code. Experienced in building applications that works on mainly Groovy grails, HTML, CSS, Rest Services, Java Script, Maven, Hibernate. Experience working with GraphQL API s and new features using React + GraphQL Stack and Full Stack Modern Progressive Web Apps ReactJs, Redux, Graph QL. Experience in building isomorphic applications using React.js and Redux with GraphQL on server side. Strong Knowledge of working with GraphQL schema, queries, and mutations to interact with MongoDB and several other data layers. Experienced developed in Python for instantiating multi-threaded applications and running with other applications. Design, build and manage the EKS (Elasticsearch, Logstash and Kibana) cluster for centralized logging and search functionalities for the operations. Hands-on experience as Java Full stack developer in AWS Lambda services and in some various models like ECS, API Gateway, AWS CLI, Cloud Formation, Serverless Deployment, and Docker. Experience in developing OIM tools in technical and functional departments. Responsible for design, testing, coding, and documentation. Experience in developing User Interactive (UI) Applications and professional web applications using HTML 4.0/5, CSS3, JavaScript, AngularJS, jQuery, JSF, React JS, NodeJS, AJAX, JSON, XHTML, and XML Angular 2+, Typescript, CSS/SASS, NodeJS, Jasmine, Protractor and Swagger. Experience in Web Services using SOAP, Restful, WSDL, HTML, XML, JAXB, XSD, SAX and DOM parsers working Knowledge of other programming languages like C, and Markup Languages like XML, HTML Hands on experience on front-end technologies such as HTML5, CSS, JavaScript, Struts tag libraries, AJAX, JSON, XML, XSLT, AngularJS, Angular6/7/11/14, jQuery, ReactJS and Bootstrap frameworks Experience migrating monolithic applications to micro services architecture by following design patterns. Designed and development multiple Java 8 Model 2 MVC-based Web Applications using Technologies and popular open-source frameworks Struts Framework, Spring MVC, Spring5/4, ORM Hibernate Framework. Experience working with Oracle 8i/ 9i/ 10g/ 11g, SQL/ MYSQL server, and DB2 rational database management systems in building enterprise applications using ANT and MAVEN in using continuous integration tool Cruise Control Tool. Expertise in Distributed and Web environments, focused in JAVA Technologies -Java collections, Threads, J2SE, JDBC, Struts, Spring, Spring Boot, and Hibernate Framework. Designing and developing Microservices architecture applications and experience in handling messaging services using Apache Kafka Experience on DevOps tools, CI/CD and AWS Cloud Architecture in database modelling and development using NoSQL Database such as Mongo DB and Cassandra. Expertise in handling Cloud Computing System from Amazon Web Services and familiar with implementation of EC2 Instances and S3, especially systematic management and storage of data. Experience with amazon web services (AWS) and amazon cloud technologies such as Amazon EC2 (virtual servers) and Amazon Cloud Watch (monitoring). Have knowledge of Kafka messages and setting up the replication factors in Kafka Cluster. Involved in building and deploying Apache Ant/ Maven/Gradle scripts for deployment and customizing WAR/ JAR file management for web applications. Worked in TDD and version management tools GitHub, and SVN. Hands-on experience using Selenium and Cucumber for creating Automated Test Suites and deriving functional and acceptance tests. Hands-on experience on CICD pipelines with DEV ops technologies like Jenkins, Sonar. TECHNICAL SKILLS: Programming Languages Java, JavaScript, Typescript, Python Software Methodologies Agile, Scrum, SDLC, TDD J2EETechnologies& frameworks JSP, JSTL, Servlets, JDBC, Java Beans, SOAP, WSDL, Axis, Java Security, JBPM Web-service Frameworks Spring, Hibernate, JPA, Spring MVC, Spring WebFlow, JavaFX, Vaadin, Spring IOC, Spring AOP, AspectJ, Spring DAO, Spring Batch, Spring Integration, JSF, JUnit, SOAP UI, Spring JPA, Spring Web, Spring REST Web Services SOAP, RESTful, Oracle SOA, WSDL UDDI AWS EC2, RDS, S3, ELB, CloudWatch, Cloud Formation Template, RDS, VPC, Auto Scaling, IAM, Terraform Design Patterns Singleton, Factory, Business Delegate, Data Transfer Object, Fa ade, Data Access Object, MVC. Tools Dockers and GitHub, Jenkins, Maven, Gradle, Log4J, Apache Ant, Apache Maven, CFT Web & JavaScript Technologies JavaScript, HTML5/HTML, CSS3, SCSS, Angular6,7,8,11,14 Ajax, React JS, GraphQL, Groovy, Golang. IDEs Eclipse (Neon, Oxygen, Kepler, Luna, Indigo, Juno)), Net Beans, IntelliJ, Spring Tool Suite, RAD 9.0, JBPM 6 Application/Web Servers Web Logic Server 12c, Web Sphere Application Server 8.5, Apache Tomcat (8.5/8.0), Apache HTTP Server, IBM WebSphere(7.0,6.0). Databases Oracle(9i/10g/11g/12c), SQL Server (14.0), DB2, MySQL, Postgres SQL, Mongo DB, Cassandra Build Scripts Maven, Ant, and Jenkins Testing Tools JUnit, Log4J, Mock Framework, Cucumber, Selenium Version Control Tools CVS, SVN, GIT, CM SYNERGY, Bit Bucket, Git Bash Operating Systems Windows, Linux, Unix, Mac OS PROFESSIONAL EXPERIENCE: Description: The financial industry is primed for innovation. We re all in on artificial intelligence, machine learning and data analytics because with them we can revolutionize the financial industry and ultimately, change banking for good. Nimble enough to test breakthrough ideas and established enough to bring them to life, we re not afraid to try new things to create empowering experiences for our customers. Our tech teams provide the capabilities, tools and infrastructure that fuel our products, setting our customers up for success, while contributing to Open-Source software and the tech community as a whole. Responsibilities: Software Development Life Cycle (SDLC) which includes development, design, analysis, testing and Integration of various web based and client/server applications in multi-platform environments with Java/J2EE technologies. Implemented an express-GraphQL library to mount a GraphQL API server on the user-configured HTTP endpoint. Involved in Responsive Web Design for developing the partner Homepages using HTML5, CSS3, JavaScript, ReactJS, NodeJs, and JQuery. Involved in using NoSQL (MongoDB) data models document, key-value & wide column or graph model. Involved in building applications that works on mainly Groovy grails, Html, CSS, Rest Services, Java Script, Maven, Hibernate. Create and maintain highly scalable and fault tolerant multi-tier AWS and Azure environments spanning across multiple availability zones using Terraform and CloudFormation. Involved in develop and test environments of different applications by provisioning Kubernetes clusters on AWS using Docker, Ansible, and Terraform Involved in terraform scripts from scratch for building Dev, Staging, Prod and DR environments. Developed RESTful API services that work as a middleware between our application and third-party that will be used using Golang. Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of infrastructure as a code. Experience in building isomorphic applications using React.js and Redux with GraphQL on server side. Strong Knowledge of working with GraphQL schema, queries, and mutations to interact with MongoDB and several other data layers. Involved in CI/CD process using GIT, Jenkins job creation, Maven build Creating Docker image, and deployment in Kubernetes. Involved in designing the user experience interface UI/UX strategy, UI requirements, converting findings into UI designs. Leveraged MVC design pattern to organize Angular controllers, Custom directives, factories and views. Worked on the REST/Web API to create the services and tested on postman and used in Angular $HTTP service calls and bind the data in the table using ng-repeat attributes. Involved in implementing OAuth & OpenID Connect Solutions using Authorize the users using Ping Identity. Worked on Ping Identity to allow users to perform single sign on with other third-party applications. Experienced developed in Python for instantiating multi-threaded applications and running with other applications. Design, build and manage the EKS(Elasticsearch, Logstash and Kibana) cluster for centralized logging and search functionalities for the operations. Involved in AWS Lambda services and in various models like ECS, API Gateway, AWS CLI, Cloud Formation, Serverless Deployment, and Docker. Involved in developing OIM tools in technical and functional departments. Responsible for design, testing, coding, and documentation. Used NPM for installing required node modules and other published Angular NPM modules. Carried out the responsibility of delivering the tasks including database scripts, source code, and any other documents as and when required through GitHub. Involved in building MVC Frameworks and experience in SOA by creating web services with Rest. Used REST API, and HTTP requests and implemented JSON format for data exchange for communication of Microservices with one another. Expertise in spring framework extensively used Spring 5.0, Spring Batch, Spring AOP, Spring JDBC templates, multi-threading, and working with SOAP &REST Web Services. Implemented Swagger Configuration in Spring MVC for auto-generating swagger JSON files for RESTAPI calls. Implemented the user interface using Java 8, JSP, AJAX, Angular7,9,11,14, HTML5, CSS and Bootstrap deployed two new operating applications in AWS with team. Worked with Docker and Kubernetes on multiple cloud providers, from helping developers build and containerize their application (CI/CD) to deploying cloud. Used Swagger to interact with API end points of the Microservices. Extensively used Hibernate concepts such as inheritance, lazy loading, dirty checking, locking and transactions the search functionality for Internal Application using AngularJS and NodeJS. Used microservice architecture, with Spring Boot-based services interacting through a combination of REST and Apache Kafka endpoints. Implemented CI/CD pipeline as code using Jenkins and Developed build and deployment scripts using MAVEN as build tool, and integrated selenium in Jenkins to perform the automated integration test. Implemented AWS solutions using EC2, S3, RDS, EBS, Elastic Load Balancer, Auto-scaling groups and used AWSSDK to connect with Amazon SQS for bulk email processing. Implemented fail safe and circuit breaker patterns in Spring Boot, Microservices applications using HYSTRIX in self and peer-to-peer review, creating and updating technical and functional documents. Used Grafana as a monitoring tool for Spring Boot and Adobe Analytics for ReactJS unit Test the implemented changes as per test cases, debug the implemented code, integrate the changes in Testing Environment, fix reported bugs of already implemented changes. Worked on Job scheduling, batch-job scheduling and process control, forking and cloning of jobs and checking the status of the jobs using Shell Scripting. Strong experience with MongoDB development (reports, schema design, map reduce functions) and migrations from SQL relational databases to NoSQL databases like MongoDB. Involved extensively in Code Reviews, Unit testing and Process Improvements. Environment: Java 8, J2EE, Servlets, JSP, JDBC, Spring5.0, Spring MVC, Hibernate, SOAP, AngularJS, Angular7, Microservices, Spring Boot, REST, REST API, Docker, AWS, Maven, HTML, CI/CD, Kafka, MongoDB, GraphQL, XML, PCF, Jenkins, SQL, PL/SQL, SQL Developer, Junit. Description: Medica is a non-profit organization which provides health insurance in 8 states. It was started in 1975 by a group of doctors and in 1991 it was merged with another insurer and adopted new name medica. Today Medica serves more than 1.5 million people. Responsibilities: Created various REST full Web services using Spring Boot for interfacing with the request Object. Integrated AWS Lambda, S3, CloudWatch, and API Gateway to create serverless Microservices. Implemented data access layer DAO using Hibernate, JDBC, Spring Hibernate template, and Spring JDBC template. Designed and implemented custom message adapter components using Apache Active MQ to facilitate message flow between Microservices, based on RESTful APIs implemented with Spring Boot and Spring MVC. Contributed to the development of a service-based architecture using open-source technologies like Hibernate ORM with JPA Annotations. Used Spring Boot with an embedded Tomcat Server. Built a real-time data streaming pipeline using Kafka. Designed the UI using JSP, HTML5, CSS3, Ajax toolkit, and JavaScript. Utilized React-Router to transform the application into a Single Page Application (SPA). Developed user interfaces using JSP, Spring Tag Libraries, and Ajax to simplify application complexities. Created buckets in AWS for file storage, enabling versioning and implementing security measures for stored files. Wrote SQL and PL/SQL queries to access, manipulate, and update the Oracle database. Implemented log4j for effective error and debug message logging. Launched and configured Amazon EC2 (AWS) Cloud Servers using Linux AMI and configured them for specific applications. Used Angular HTTP clients to make Ajax calls and load data into UI components such as tables, grids, and models. Utilized Apache Kafka for sending message objects to client queues and topics. Designed and implemented server-side RESTful web services using Node.js, handling communications with the client-side (React.js) using JSON. Responsible for coding, testing, and documenting various packages, procedures, and functions, using JUnit for unit testing and Mock for mock-based testing. Wrote shell scripts and utilized UNIX commands for application deployment. Deployed and administered microservices-based applications on Cloud infrastructure using Pivotal Cloud Foundry. Designed and developed client website screens and front-end widgets using React.js. Utilized JIRA for tracking backlog items, Epics, and tasks. Participated in various testing phases, including Unit Testing, System Integration Testing, Validation Testing, User Acceptance Testing, Parallel Testing, Performance Testing, and Regression Testing. Environment: Core Java, Java1.7/1.8, J2EE, Spring Boot, Spring JPA, AWS, Spring JDBC, SOAP, Restful Web Services, Eclipse, STS, SVN/GIT (Version Controlling), CSS, Maven 3, Microsoft Teams, Amazon Web Services, jQuery, JDBC, AJAX, HTML/HTML5, JSP, JavaScript, ReactJS Apache Active MQ, Kafka, Angular JS, SQL Server, Hibernate. Description: Northern Trust is a global financial firm provides investment management, wealth management services for institutions, individuals and families. The aim of the project was to create an external-faced trading application for asset management for internal as well as external clients, developed by React JS and JavaScript application. Responsibilities: Involved in the development using Agile Development process to gather and analyze the requirements of the Application. Created test suites for each service using Azure end points in Ready API to test the services created in Azure APIM. Used Hibernate Framework for mapping entities to database tables. Involved in building application that works on mainly Groovy grails, Html, CSS, Rest Services, Java Script, Maven, Hibernate. Worked closely with the Microsoft team to implement Azure DevOps solutions for service migration. Extensive experience with core java technologies in Multi-Threading, Synchronization and Exception Handling to gather various servers in parallel. Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of infrastructure as a code. Developed Spring Bean Classes (Service Classes) for implementing Business logic and configured beans to manage bean lifecycle using annotations and xml-based configuration. Implemented the application using Spring Boot and handled the authorization, authentication features by using Spring Security. Used Spring MVC module to write REST controllers, map URL's for the request and present with different views for different use cases. Used Spring Framework AOP Module to implement the logging in the application to know the application status. Used Spring MVC module to develop MVC Architecture. Integrated the application with Spring-MVC using Spring Boot, Spring Dependency Injection (DI), and Spring Annotations. Implemented the persistence layer using Hibernate-ORM worked on Spring Web Flow on Spring MVC for building flows in our web application. Microservices have been built using Spring boot, Spring security and deployed to AWS cloud. Used Jersey to implement Restful Web Service and used JSON form to transfer the data. Used SOAP based Web services and RESTful Web services for transferring data between applications. Designing and developing the RESTFUL web services using the JAX-RS API to communicate over the network. Developed Restful Web services for other systems to interact with our system and secured the service with Spring Security. Implemented Micro services-based cloud architecture utilizing Spring Boot. Utilized the Spring Data Framework to leverage the features of Spring JDBC and Spring ORM classes, such as JDBC Template and Hibernate Template, for efficient database operations. Implemented Spring MVC Transaction Management, Spring/Hibernate Batch Transactions, and incorporated Hibernate cache concepts. Employed log4j and JUnit for application code testing, logging, debugging, and overall testing purposes. Designed and developed the presentation/UI layer using HTML5, CSS3, and JavaScript, along with AngularJS. Used AngularJS to create views, connecting models to the DOM, and synchronizing data with the server as a Single Page Application (SPA). Played a pivotal role in the design, development, and testing of web applications using HTML5, CSS3, Bootstrap, and ReactJS. Utilized Kafka for implementing Publish/Subscribe patterns in applications involving messaging. Worked on Maven as a build tool and wrote the dependencies for the jars that need to be migrated. Used Windows Azure to host the share platform applications in the cloud. Implemented Restful Web Services to retrieve data from client side using Micro Services architecture. Using Spring Boot for developing microservices, Soap to retrieve data from client-side using Microservice architecture. Performed CRUD operations like Update, Insert, and Delete the data in NoSQL database MongoDB. Involved in writing java API for Amazon Lambda to manage some of the AWS services. Used AWS S3 to store the data and to retrieve the stored date very quickly and Elastic Search for searching the document. Used AWS SNS to send messages to multiple users and delivered in an algorithmic way using AWS SQS. Worked on AWS Elastic load balancing for deploying applications in high availability. Created EC2 instances and used the public domain to link with Jenkins for integration. Involved in CI/CD process using GIT, Jenkins job creation, Maven build Create Docker image and deployment in AWS environment. Environment: Java, Core Java, Spring boot, Spring Security, AWS, EC2, JUnit, Azure API Management, Agile, Spring, JavaScript, Webservices, Oracle, Maven, JMS, Jenkins, GIT, Log4j, RESTful. Description: The aim of the project was to develop an open source Master Patient Index which is a system that allows health care organizations that need to exchange data to uniquely identify to which patient the data belongs to despite variations in the attributes that describe the patient. Responsibilities: Involved in analysis, specification, design implementation, and testing phases of Software Development Life Cycle (SDLC) for developing applications. Developed/Implemented code on new requirements as a developer using Spring MVC and Hibernate by using Safe Agile Methodology where there is a daily SCRUM meeting to understand the status and resolve any issues. Developed the GUI Web Interface using Angular 8, Typescript, RXJs, Node, Bootstrap 4, jQuery, and HTML 5. Involved in building application that works on mainly Groovy grails, Html, CSS, Rest Services, Java Script, Maven, Hibernate. Develop the reusable components, pipes, services, and different feature modules, routes using Angular 8. Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of infrastructure as a code. Developed Use Case Diagrams, Object Mapping Diagrams & Class Diagrams in UML. Transforming complex business requirements from the customer into development plan by using objects like Stored Procedures, Functions, and triggers to support Agile development. Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template, using Spring IOC (Dependency Injection). Used Java-J2EE patterns like Model View Controller (MVC), Business Delegate, Data Transfer Objects, Data Access Objects, and factory patterns. Used Spring Framework AOP Module to implement logging in the application to know the application status. Implemented the application using Spring IOC, Spring MVC Framework, Spring Batch, and Spring Boot and handled the security using Spring Security. Developed REST Microservices and service endpoints using Spring boot. Used Map Struct for java object mappings between JPA Entities and DTO for the Spring REST API. Integrated Swagger UI and wrote integration test along with REST document. Used Rest API client POSTMAN for testing web services request and response. Consumed the developed Web services in Angular application. Used Maven as a building tool, and Splunk for centralized logging. Used Jenkins for Microservices deployment. Environment: J2EE, JSP, JavaScript, JDK 1.6, UML, Eclipse, Oracle, Amazon API Gateway, AWS Lambda, S3 Bucket, AWS IAM, Angular 6, WebSphere, SOAP, SOA, Spring 3.0, Spring Boot, Spring MVC, Hibernate, Map Struct, RESTful, Postman, XML, CSS, HTML, JMockit, Junit 4.4, SVN, Log4j, Oracle10g, Jenkins, Ant 1.8, Maven, Swagger, Splunk, WinSCP. Description: Randolph-Brooks Federal Credit Union (RBFCU) is a financial banking partner in Texas with offering all the member banking services as a leading Credit union. The Projects are to provide services for new members and maintaining existing members. Goal is to build single application interface serving different channels, ultimately allowing potential members to enroll online directly(web/mobile). Responsibilities Led major projects on both client side and server side and exchanged knowledge within the team members. Analyzed application requirements and problems on the client side and worked in Angular 8 and Bootstrap using JavaScript, TypeScript, HTML and CSS respectively. Planned solutions and developed web applications along with team members through hands-on coding and solved relevant problems and errors. Involved in building applications that works on mainly Groovy grails, Html, CSS, Rest Services, Java Script, Maven, Hibernate. Participated in meetings and shared ideas on upgrading and updating projects through advancing technologies. Written Cloud Formation Templates (CFT) in JSON and YAML format to build the AWS services with the paradigm of infrastructure as a code. Practiced Java-8 features such as Lambda Expressions and Functional Interfaces to make work more efficient and faster. Developed and tested multiple web applications using Rest API and annotations by combining Spring framework, Postman and MySQL database. Performed debugging, worked on multithreading, handled various exceptions and security issues in the process of development and deployment. Worked in tasks related to Object-Oriented Programming and Object-Relational Mapping by implementation of MVC and architecture. Worked for load balancing and parallelism in messaging systems between consumer instances and producers in the Kafka cluster by using Kafka. Committed the source code in GitHub and passed through Jenkins to check validity of code for deployment. Searched errors and bugs in architecture of CI-CD and used Docker commands to develop necessary Docker files. Built Docker images and Docker containers for configuration and verification of applications in accordance with Jenkins Scripts. Carried out testing of codes and applications and understood the path and behavior of components in the system. Managed lifecycle of applications and documented possible problems and solutions for future references. Designed and implemented features of various code within team members for validation of programs using SonarQube. Environment: HTML, CSS, Bootstrap, JavaScript ES, Typescript 3.0, Angular 7 and 8, Java 8, JPA Hibernate 5, Spring (Data JPA, Boot, Security, AOP, Core), Maven, REST API/Web Services, Micro Services, Messaging Services, Kafka, GitHub, Jenkins, Dockers, Docker Hub, SonarQube, Jira, Eclipse 3.6, IntelliJ. Description: Billion Apps rapidly growing software company with a team of experienced intellectuals working in various technologies. It is a leader in software Development and empower IT individuals with competitive advantage. It is a rapidly growing software company with a team of experienced intellectuals working in various technologies. It deals with Product and Service based applications in all major areas. Our IT Consulting as well as Custom Application Development, Web Development and E-commerce all of which help our customers with their diverse yet demanding needs. Responsibilities: Designed and developed the application using Waterfall Methodology and followed Scrum. Designed and developed the project using MVC design pattern. Planned and Designed request and response schemas on the client side and server side. Developed architecture and programs for efficient service on client side and hand in practice on JavaScript, XML, XSL and JSP. Developed web-based applications using Java/J2EE, Servlets, Struts, Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, JDBC, Web Services (SOAP & Restful services) and ORM frameworks like Hibernate. React.js for creating interactive UI using One-way data flow, Virtual DOM, JSX, and React Native concepts. Used Spring Kafka API calls to process the messages smoothly on Kafka Cluster setup. Developed various screens for the front end using React JS and used various predefined components from NPM and Redux library. Also used Redux to manage the application state and apply middleware such as Redux- promise and redux-saga. Consulted with the operations team on deploying, migrating data, monitoring, analyzing, and tuning MongoDB applications. Developed single-page web applications and provided synchronization to various parts of web apps usingJavaScript library Designed various modules using technologies like CSS Media Queries, HTML5, AJAX, JSON, and JavaScript. Created documentation for all the components which is included in the React-Bootstrap page. Written maps reduce programs to load data into the MongoDB environment. Worked on application development for server side using Servlets, JSP, JDBC, WSDL, Java, SOAP Web services, ANT and AJAX. Expertise in frameworks and tools such as Struts, Eclipse, JMS, Jersey and JBOSS to build modules. Practiced SOAP Web services, IBM WebSphere, Apache CXF, BEA WebLogic and JMS to develop asynchronous communication applications. Involved in building web applications for routing, firewall, callback security and session service using SOAP, XML and WSDL. Helpful colleagues and comfortable environment, thus learnt quickly and involved as team player for major projects. Involved in bug and error fixing and exception handling and documented solutions to problems for future reference. Environment: Java, Spring Data JPA, Servlets, JSP, JDBC, Spring Boot, Spring AOP, Spring Core, Maven, REST API/Web Services, Messaging Services, Kafka, GitHub, SonarQube, Jira, Eclipse Keywords: cprogramm continuous integration continuous deployment user interface user experience message queue javascript sthree database information technology procedural language