SUMMARY

• Having 9 years of experience in all the technical phases of Software Development Life Cycle (SDLC) including Requirement Analysis, Design, Implementation and Testing in both Web based and Enterprise applications with emphasis on Object Oriented, Java/J2EE and Client Server technologies.
• Experience in developing the application with Agile Methodology, Waterfall Methodology and Test - Driven Development.
• Experience in Front-End UI technologies like HTML5, CSS3, jQuery, JSON, Ajax, AngularJS, Angular 4/6, NodeJS, Bootstrap, Tag Libraries, JSTL.
• Good working knowledge with Java 1.8 features like stream, Lambda expressions and functional interfaces etc.
• Having experience with Cloud Computing environment like Pivotal Cloud Foundry, Amazon Web Services (AWS), Docker Containers.
• Handled operations and maintenance support for AWS cloud resources which includes launching, maintaining and troubleshooting EC2 instances, S3 buckets, Auto Scaling, Dynamo DB, AWS IAM, Elastic Load Balancers (ELB) and Relational Database Services (RDS).
• Proficient in developing J2EE enterprise applications in Service Oriented Architecture and Micro Service Architecture.
• Hands on Experience in developing web applications by using Spring framework moduleslike Spring IOC, Spring AOP, Spring MVC, Spring Security, Spring Boot, Spring Batch and Spring Data.
• Expertise in developing data models using Hibernate Object relational mapping (ORM) framework and used Hibernate Annotations to reduce time at the configuration level
• Expert in Core Java with strong understanding of Garbage Collector, Collections, Multithreading, Event handling, Exception handling and Generics.
• Expertise in J2EE Technology- Servlets, Struts, Spring, JDBC, JTA, JPA, Hibernate and JMS.
• Experience with distinctive design patterns like Singleton, Factory, Prototype, Business Delegate, Session Facade, Service locator, Visitor, Observer, Decorator, Front Controller, DAO and MVC.
• Worked with design and development of robust and highly scalable Web Service platforms and API’s based on REST and SOAP for enterprise applications using AXIS, WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB, JAX-RPC technologies and Jersey frameworks.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM
• Expertise in back-end/server-side java technologies such as: Web services, Java persistence API (JPA), Java Messaging Service (JMS), Java Database Connectivity (JDBC) and Java Naming and Directory Interface (JNDI).
• Experienced in building Web Services for Service Oriented Architecture (SOA).
• Good Understanding in databases such as Oracle, MySQL, SQL Server, NoSQL, Mongo DB and IBM DB2 databases to manage tables, views, indexes, sequences, stored procedures, functions, triggers and packages
• Experience in JMS over messaging to exchange the information in more reliable and asynchronously for enterprise applications using Active MQ and Rabbit MQ.
• Proficient with build automation tools like Gradle, Maven and Ant for builds and deployments to different environments.
• Experience on different IDEs such as Eclipse, RAD, Spring Tool Suite, IntelliJ and deployment using Application Servers like Apache Tomcat, BEA WebLogic, Web Sphere, Glassfish, Camel and JBOSS
• Experience with JUnit, Mockito, Log4j in developing test cases and determining application functionality.
• Experience on UNIX/LINUX Shell Scripting and Deployment of Applications in Server.
• Decent Experience in using code repository tools GIT, Tortoise SVN, and Visual Source Safe.
• Experience working in the domain offinancial and banking applications. Extensive hands on experience on IBMMainframe Application programming.
• Installation and configuration of Redhat Device Multipathing. Deport/Import Volume Groups.
• System configuration and Administration ofRed Hat Linux/SuSE.
• Hands on experience inAzureDevelopment, worked onAzure web application,App services,Azure storage,Azure SQL Database,Virtual machines,Fabric controller,Azure AD, Azure search, and notification hub.
• ConfiguredSpark streamingto get ongoing information from the Kafka and store the stream information to HDFS.
• Excellent working knowledge inCore Application design, Development, Testing and Production support. Developed programs which deal withMQ’s. Experience working on developing DB2 Stored Procedures, online CICS tools, SOLA (Service Oriented Legacy Architecture) templates.
• Experience writing data APIs and multi-server applications to meet product needs using Golang.
• Experience in writing the HTTP RESTful Web services and SOAP API's in Golang.
• Wrapper developed inPythonto run this application along with other applications.
• Ability to analyze convert Business requirements for IVR Applications to Test Scenarios
• Analyzed and Tested for Directed dialogue, DTMF, IVR and Text to speech that increased customer utilization and retention in IVR
• Expertise in Conceptual Data Modelling, Enterprise Data Modelling, Logical Data Modelling, Physical Data Modelling, Enterprise Data Warehouse Design, Datamart Design, Metadata, Data Quality, Master Data Management and Data Governance
• Experience in building isomorphic applications using React.js and Redux with GraphQL on server side.
• Experience in working with GraphQL queries and use Apollo Grap hQ L library.
• Extensively used and implemented all theswing componentsin theConfidential, applicationfor the reservation.
• Design Implement and Test Oracle ADF applications using JDeveloper 11g.
• Design and developed SPSS wizard components using ADF task flows (BTF and UBTF), train stops, regions, templates and fragments.
• Design and developed multiple fragments using ADF Rich Faces, Facets, JSF and HTML.
• In-depth experience in Ruby On Rails jRuby, Gems on Rails, java / JMS integration,Linux, Apache, MySQL, and PHP architecture.
• Hands on experience JBOSS DROOLS, Guvnor, writing Business rules, Decision Tables, Agenda Filter, Knowledge Base, and JBPM.
• Designed & developed using HTML5, CSS3, EXTJS, JavaScript, XML, AngularJS, NodeJS, JSP, JSON,Vue.js, JSF, J2EE and Ajax.
• Strong communication and analytical skills and a demonstrated ability to handle multiple tasks as well as work independently or in a team.

TECHNICAL SKILLS

Programming Languages: Java 1.8, 1.7, 1.6, C, C++

JAVA Enterprise Technologies: Servlets 2.5/2.4, Spring Security, Spring JDBC, Spring Integration, Spring Batch, SOAP and RESTful Web Services, Micro Services, Hibernate 4.2. JDBC 3.0/2.0, JPA, EJB 3.0

JavaScript: Angular JS, Angular 4/6, jQuery2.x/1.x

Databases: Oracle 12c/11g/10g/9i, MySQL5.0,4.1

Frameworks: Struts 2.0, JSF 3.0, Spring 3.x/2.x, Apache Camel

Application Servers: WebLogic 10.0/9.0/8.1/7.0 , Tomcat 7,6, WebSphere 8.5, JBoss7.x/5.x

Databases: Oracle 12c/11g/10g/9i, MySQL5.0,4.1

Web Technologies: HTML5, XML, JSON, CSS3, JavaScript, JSP 2.2/2.1, JSTL 1.2, Bootstrap

Operating Systems: Windows 10/8/7/NT/XP/2000/98, Unix, Linux

Design Patterns: Front Controller, Singleton, Observer, DTO, DAO, MVC, Factory, Abstract Factory, Business Delegate.

Design Methodologies: Agile, Waterfall, Scrum, Test Driven

Cloud platforms: AWS, Pivotal Cloud foundry

PROFESSIONAL EXPERIENCE

Confidential - Bentonville Arkansas

Sr.Java Developer

Responsibilities:

• Designed and developed coded applications in Agile Methodology Utilizing test driven development
• All the functionality using spring boot and DB2.Implemented java J2EE components using spring MVC.
• Used Spring Framework to be integrating MVC components with business services.
• Built Java Applications using Maven and deployed in JAVA/J2EE applications through Application Server.
• Used Jersey framework to implement the JAX-RS.
• Knowledge on developing Integration Modules for clients using Apache Camel.
• Written Merge statements,Craete and insert, updating data using SQL Queries for DB2.
• Converted Monolithic application architecture using spring boot using 12 factor methodology.
• Worked on version control tools like GitHub, bitbucket, Gitlab and CVS.
• Worked with different bug Tracking tools like Rally and JIRA.
• Converted and Automated builds using Maven and make scheduled automated builds using Jenkins
• Experience in working with Integrated development tools Eclipse,Intellij,STS.
• Developed Rest API to process the data from Db to another rest Service

Confidential - Phoenix, AZ

Sr.Java Developer

Responsibilities:

• Worked in agile framework as an individual contributor Responsibilities include - Interaction with Business team in story grooming, reviewing story/acceptance criteria.
• Used spring config server for centralized configuration and Splunk for centralized logging. Used Concourse and Jenkins for Microservices deployment
• Used JSON for data transmission for Micro services
• Developed various REST controllers for different HTTP methods to serve the data in JSON for the UI.
• Developed Controller class and defined spring configuration mappings.
• Used Spring Boot, which is radically faster in building cloud Micro Services and develop spring, based application with very less configuration.
• Implemented the Project structure based on Spring MVC pattern using spring boot.
• Created POC for Automatic update for the deployment status update using Vert.x Framework (push Notification), HTML5, CSS3, JavaScript, Junit & JAVA.
• DevelopingBDD scripts with Cucumber/Java and writing step definitions forbehaviorand step definitions.
• Experience working inBDD framework like Cucumber
• DevelopingBDD scripts with Cucumber/Java and writing step definitions forbehaviorand step definitions.
• Prepared Unit test cases using Junit, remote testing using SOAP UI, performance testing using JMeter.
• Developed test code in Java language using Eclipse, Intellij IDEA and Junit framework.,
• Experienced in Core Java - asynchronous programming, multithreading, collections and a few design patterns.
• Helped individual teams to set up their repositories in bit bucket and maintain their code and help them setting up jobs which can make use of CI/CD environment.

Confidential - Freehold, NJ

Full Stack Java Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
• Developed the view-controller components usingJSPs,HTML5,CSS3,AJAX,JavaScript, Angular JS, Angular 4/6, jQuery.
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side inAngular 4/6.
• Building stableReactcomponents and stand-alone functions to be added to any future pages.
• Developed the Drag and Drop functionality usingReact- Drag gable.
• Used React-Auto complete for creating Google maps location search on the webpage.
• Hands-on experience in developing integration with Elastic search in any of the programming languages like JAVA and JavaScript. Having knowledge of advance reporting using Elastic search and Node JS.
• Developed dynamic responsive Web Application by integrating Angular2 with Bootstrap which is further integrated with Web Services andVue.js.
• Developed web applications running on NodeJS using the Express framework Vue.jsand Backbone.jswith Mustache.jsfor front end MVC/templating.
• Configured Kafka to read and write messages from external programs.
• Implementedcorefeatures ofAngular 6 framework such as dependencyInjection,Databinding,Filters, Directives, Templates, Services and Deep Linking Designing.
• Used Java8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java 8 new features like default, static methods, and Concurrency API.
• Used Java 8 Method References feature to point to methods by their names and used functional Interfaces.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Installed, secured, and configured AWS cloud servers and Amazon AWS virtual servers (Linux).
• Worked on AWS services to deploy static websites and dynamic Web Apps on EC2 using Elastic Beanstalk and Elastic Container Service-Docker and Kubernetes.
• Involved in creating EC2 instances and installed required configurations and applications on it and created S3 buckets for storing object level data into it.
• Used AWS Cloud Watch to monitor the application and to store the logging information.
• Secured Data is stored in MySQL. Vault (by HashiCorp) secures, stores, and tightly controls access tokens and passwords used by the overall platform, started in the AWS cloud and currently integrates with several services like: AWS AIM, Amazon DynamoDB, Amazon SNS, Amazon RDS.
• Used Spring MVC framework for implementing Model-View- Controller (MVC)architecture at the Web tier.
• Secured the API's by implementing Oauth2 token-based authentication/authorization scheme using spring security.
• Developed the monolithic application and involved in migrating existing monolithic application into Micro Service Architecture based RESTful Service and deployments were done on AWS.
• Designed and developed Micro Services business components using Spring Boot.
• Developed API’s to read and publish data from Elastic Search cluster using native Java Transport client as well as REST client. Worked on Spring Integration with the Elastic Search
• UsedHibernateORMframeworkas persistence engine and wroteHibernateQueries to automate the mapping betweenOracledatabase andObjectsinJava.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and access them through Java Programs from Oracle Database.
• Worked with MongoDB and Cassandra to store non-relational data into collection and retrieve them whenever required.
• Focused onTestDrivenDevelopmentthere by creating detailedJUnittests for every single piece of functionality before writing the functionality.
• Performed automation testing and authored test scripts using SeleniumWeb Driver/ Gridand Junit.
• Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven for build packaging and deployments of the application components.
• Good experience in writing Spark applications using Python and Scala.
• Experience processing Avro data files using Avro tools and MapReduce programs.
• Implemented pre-defined operators in spark such as map, flat Map, filter, reduceByKey, groupByKey, aggregateByKey and combineByKey etc.
• Implemented REST services by Golang with microservices architecture.
• Strong working knowledge in developingRestful webservicesandMicro ServicesusingGolang
• Used Scala sbt to develop Scala coded spark projects and executed using spark-submit
• Development of test framework using thePython
• Worked on custom software applications that integrated the IVR, Advanced Speech Recognition, Directed Dialogue, Call Center solutions, Genesys and Avaya CTI, Web, and foreign host connectivity and transactions.
• Instrumental in creating process, procedures, policies and standards for data warehouse implementation
• Taken responsibility in testing voice quality and voice recognition functionality of IVR systems for high and low confidence scenarios.
• Wrapper developed inPythonfor instantiating multi-threaded application and running with other applications
• Experience in working with GraphQL queries and use Apollo Grap hQ L library.
• Implemented multi-threading in the application by usingswing workerthread.
• Extensively usedJAVAandSWINGto design new GUI for the installer.
• Responsible for building, debugging and tuning SPSS application using ADF 11g.
• Design and developed multiple web (UI) pages usingJSF,ADFRich Faces, JSP and HTML.
• Expert in Connecting to sharepoint server using Ruby, interpreted detailed design specifications and requirements.
• Extremely good in building a Ruby Extension With Visual C Express 2008.
• Extensively worked on Drools Rules Engine and Expectation Engine for writing Business rules Validation.
• Agenda Filter is used to distinguish between the same rules applied to different categories.
• Integrated the Drools and JBPM to application framework which involved dynamic creation of knowledgebase and Knowledge session.

Environment: Agile Methodology, Java1.8, HTML5, CSS3, JavaScript, jQuery, Ajax, Angular 4/6, AWS IAM, EC2, S3, Micro Services, RDS, SQS. Hibernate, Spring, XML,JSP, JAX-RS, Spring AOP, Spring security, Oracle, MongoDB, Cassandra, JSP, React JS, Docker, Kubernetes, GIT, JIRA, PL/SQL, STS, JUnit, Log4J, Maven, Jenkins, Kafka,WebLogic7.1,WebSphereApplicationServer,Spark,SonarCube,Golang,Phyton,Swing, Liquibase,GraphQL,CI,CD,ADF,Ruby on Rails, Drools Rules Engine,Vue.Js.

Confidential - Richardson, TX

Full Stack Java/J2EE Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) of the application like Requirement gathering, Design, Analysis and Code development and understanding of business requirements and implement the process using Agile methodology.
• Implemented the front end using HTML5, CSS3, Bootstrap, jQuery and AngularJS.
• Created responsive web pages using Bootstrap and wrote client-side application in a clean MVC model using AngularJS.
• Consumed RESTful Services with AngularJS http Services.
• Developed RESTful Web Services with JAX-RS using Spring Boot and Microservices Architecture.
• Implemented the application with various Spring Framework modules like Spring IOC, Spring MVC, Spring Boot, Spring Security, Spring JDBC (with JPA annotations)
• Used Spring AOP (Aspect Oriented Programming) for logging purposes.
• Implemented the authentication and authorization of the application using Spring Security and OAuth.
• Spring beans were used for controlling the flow between UI and Hibernate.
• Used JAVA 1.8 features like Lambda Expressions, Parallel Streams and functional interfaces.
• Implemented Core Java concepts like Multithreading, Concurrency, Exception Handling and Collections wherever necessary in the application.
• Implemented the application using various design patterns such as Singleton, DAO, Factory and Service Locator.
• Developed Microservices based architecture to enable the application to be deployed on AWS.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Migrated existing monolithic application into Cloud environment using Amazon Web Services.
• Worked on AWS services to deploy static websites and dynamic Web Apps on EC2 using Elastic Beanstalk and Elastic Container Service-Docker.
• Implemented a Continuous Delivery pipeline with Go Pipelines, Jenkins and AWS AMI’s.
• Developed Java API to interact with the Amazon SQS used in sending bulk emails.
• Deployed Spring Boot based Micro Services Docker container using Amazon EC2 container services and using AWS admin console.
• Used Hibernate ORM as a mapping tool for performing various operations which include HQL operations by the usage of various dialects.
• Used Spring Data Framework in the controller level to use the features of Spring JDBC and Spring ORM classes like JDBC Template and Hibernate Template to perform the database operations by connecting to Data sources available.
• Written SQL, PL/SQL, stored procedures and User Defined Functions for Oracle database.
• Hands on SSIS, SSAS development and production support of around 32 data marts and the Enterprise Data Warehouse, Meta data and Universe creation for reporting
• Used Active MQ, Kafka to communicate with controller and used service layer to implement the business logic.
• Used Maven as build automation tool and responsible for CICD implementations using Jenkins and Go Pipelines
• Used GitHub Enterprise as Version Control tool for Java version and Stash (using Bitbucket) for Node Version of the application and used Rally for issue tracking and Intellij as an IDE.
• Deployed and tested the application of Node version using GO Pipelines and Jenkins for Java version

Environment: Java 1.8, J2EE, HTML5, CSS3, JavaScript, jQuery, Angular JS, Spring IOC, Spring AOP, Spring MVC, Spring Security, Spring Boot, Hibernate, RESTful, SOAP, Hibernate, Mockito, Micro Service Architecture, Amazon Web Services, EC2, SQS, Docker, Kafka, Active MQ, Oracle, MongoDB, Maven, Jenkins, Mercurial, Rally, UNIX and Web Sphere Application Server,Phyton,GraphQL.

Confidential, Jersey City, NJ

Java Developer

Responsibilities:

• Involved in Daily Scrum (Agile) meetings, Sprint planning and estimation of the tasks for the user stories, participated in retrospective and presenting Demo at end of the sprint.
• Involved in the front end using JSP, JSTL jQuery, Servlets, HTML, JavaScript, and AJAX.
• Implemented MVC architecture using JSP, Spring BOOT, and Hibernate and used Spring Framework to initialize managed beans and services.
• Involved in development of Agent Verification System using Spring MVC framework.
• Used Spring Inheritance to develop beans from already developed parent beans.
• Used Spring AOP for logging, auditing, transaction management to distinguish business logic from the cross-cutting concerns.
• Used Spring Security for Authentication and Authorization of the application.
• Developed applications in AngularJS and deployed into development, test and production environment.
• Created data model and generated Hibernate mappings and domain objects using Hibernate tools.
• Interfaced with the MySQL back-end database by integrating Spring with Hibernate.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) and Optimistic Locking and Caching to process the data from the database.
• Implemented SOAP based Web Services and used Soap UI for testing.
• Implemented quartz jobs for running the batch jobs based on the triggers configured in the spring files.
• Developed Unit /Integration test cases using Junit tool.
• DevelopedREST API'susingSpring MVCandSpring boot, hosted all micro services onPCF.
• Used Gradle tools for building and deploying the Web applications.
• Used JIRA tool for tracking stories progress and follow agile methodology.
• Used logging techniques provided by Log4j tool for efficient logging and debugging.
• Developed the application using Eclipse as the IDE and used its features for editing, debugging, compiling, formatting, build automation and version control (SVN).
• Involved in Maintenance and Enhancements for the project.
• Participated in data warehouse business analysis sessions and involved in data mart creation from conceptual to physical design.

Environment: HTML, CSS, JavaScript, AngularJS, Struts, Hibernate, Spring BOOT, Servlets, JSP, Junit, AJAX, jQuery, SOAP, WSDL, JAX-WS, Log4j, PCF, Webservices, Micro Services, WebSphere Application Server, MySQL, Eclipse, Gradle, Junit, JIRA, SVN.

Confidential - MA

Java Developer

Responsibilities:

• Involved in analysis of requirements, design, and development, and integration, deployment, testing and supporting existing application.
• Requirement analysis and finding the gap with the existing functionalities.
• Writing front-end code like HTML, CSS, jQuery for assigned User requirements using BackboneJS,AngularJS, various other JavaScript frameworks.
• Manage the integration of Univadis system with QuantiaMD.
• Develop RESTful web services for the application integration.
• Actuated two factor authentications for the administration modules
• Migration from SVN to Bitbucket.
• Enhanced existing SQL to improve application performance.
• Redesigning of Message queues and implemented Executor services.
• Involved in creation of test cases.

Environment: Java, J2EE, REST Web services, Json, JavaScript, XML, iText, Tomcat, Maven, Bitbucket, MySQL, Angular JS.

Java Developer

Responsibilities:

• Involved in client requirement gathering, analysis & application design.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC) that includes Development, Testing, Implementation and Maintenance Support in WATERFALL methodology.
• Developed the UI layer with JSP, HTML, CSS, Ajax and JavaScript.
• Used JavaScript to perform client-side validations.
• Ajax was used to make Asynchronous calls to server side and get JSON or XML data.
• Developed server-side presentation layer using Struts MVC Framework.
• Developed Action classes, Action Forms and Struts Configuration file to handle required UI actions and JSPs for Views.
• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions.
• Used various CoreJava concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Implemented and developed REST and SOAP based Web Services to provide JSON and Xml data.
• Used JPA and JDBC in the persistence layer to persist the data to the DB2 database.
• Created and written SQL queries, tables, triggers, views, and PL/SQL procedures to persist and retrieve the data from the database.
• Performance Tuning and Optimization with Java Performance Analysis Tool.
• Implement JUnit test cases for Struts/Spring components.
• JUnit is used to perform the Unit Test Cases.
• Used Eclipse as IDE and worked on installing and configuring JBOSS.
• Made use of CVS for checkout and check in operations.
• Worked with production support team in debugging and fixing various production issues.

Environment: Java, JSP, HTML, CSS, AJAX, JavaScript, JSON, XML, Struts, Struts MVC, JDBC, JPA, Web Services, SOAP, Restful, Web Services, SQL, JBOSS, DB2, ANT, Eclipse IDE, JIRA, CVS and UNIX.

Confidential

Java developer

Responsibilities:

• Created the UI tool - using Java, XML, DHTML, and JavaScript.
• Wrote stored procedures using PL/SQL for data retrieval from different tables.
• Worked extensively on bug fixes on the server side and made cosmetic changes on the UI side.
• Part of performance tuning team and implemented caching mechanism and other changes.
• Designed and developed various tools with Perl and recreated the system architecture diagram.
• Created combined deployment descriptors using XML.
• Responsible for coding SQL Statements and Stored procedures for back end communication using JDBC.
• Created numerous new class and sequence diagrams using rational rose.
• Developed Authentication and Authorization modules where authorized persons can only access the inventory related operations.
• Developed Data Mapping, Data Governance and Cleansing rules for the Master Data Management Architecture involving OLTP and OLAP.
• Involved in preparing the Documentation of the project to understand the system efficiently.

Environment: JDK1.2, JavaScript, HTML, DHTML, XML, J2EE, Tomcat, Rational Rose, Oracle, PL/SQL.