PROFESSIONAL SUMMARY:

• Having 7+ years of experience in all phases of software development life cycle (SDLC), which includes User Interaction, Business Analysis/Modeling, Design/Architecture, Development, Implementation, Integration, Documentation, Testing, Enterprise and Web based applications using Java, J2EE technologies.
• Extensive experience of designing and developing software applications with the JDK, J2EE, EJB, Annotations, Java, JSP, Servlets, Java Beans, JNDI, AJAX, JMS, ORM, JNDI, Web services, JDBC, JAXP, RMI, XML, JavaScript, jQuery, CSS, Web Services (SOAP & RESTful).
• Extensively used Java multi - threading to implement batch Jobs with JDK 1.8 features.
• Worked in Java1.8, extensively using Streams API.
• Proficient in Java/J2EE Design Patterns including singleton, Factory, Model View Controller (MVC), Data Access Object (DAO), and Business Delegate. Well versed with core Java concepts like collections, multithreading, serialization, Java beans.
• Worked on setting up the life cycle policies to back the data fromAWSS3 toAWSGlacier.
• Experience utilizing and making custom scripts and applications utilizing the AWS SDK and/or CLI Tools.
• Hands on experience with amazon web services (AWS) and amazon cloud technologies such as Amazon EC2 (virtual servers) and Amazon Cloud Watch (monitoring).
• Developed Cloud CompatibleMicro Services using Spring Boot, java and related web technologies
• Used Spring Boot which is radically faster in building cloud Micro Services and develop Spring based application with very less configuration.
• Extensive experience as a User Interface/Front End Developer in developing web applications using HTML, XML, CSS, Java Script, jQuery, AJAX, Angular and ReactJS.
• Good Working experience in using different modules like Spring Core Container Module, Spring Application Context Module, Spring MVC Framework module, Spring AOP Module, Spring ORM Module etc. in Spring Framework.
• Strong Object-Oriented Analysis and Design (OOAD), ERD documentation, UML artifacts modeling with Rational Rose and Enterprise Architect. Applied the requirements engineering, analysis, and design disciplines of the RUP to J2EE projects.
• Experience in writing numerous test cases using JUnit framework with JPROB integration.
• Implemented various levels of application and services using Spring-Framework, EJB3 Struts and ORM tools like Hibernate for fast pace and efficient code generation.
• Worked on various XML technologies i.e., writing DTD, Schema, Namespaces, XSL, Xpath, Xlink, XQuery, XHTML and SAX, DOM, JDOM parsers.
• Experience working with databases such as Oracle, MS-SQL Server, MySQL and using PL/SQL to write stored procedures, functions and triggers for different Data Models.
• Experience in database related work primarily creating complex stored procedures, Views, Triggers, Functions, using PL/SQL.
• Expertise working on Application servers and Web servers like WebSphere, WebLogic, JBoss and Apache Tomcat.

TECHNICAL SKILLS:

Languages: C, C++, Java 1.8, SQL, PL/SQL

WEB Technologies: HTML, CSS, jQuery, JSON, Boot Strap, Java Script, Angular, React

Tools & Framework: Struts, hibernate, JPA,SpringIOC, Spring batch, spring security, Spring Boot,Ajax

Web Services: SOAP, RESTful, WSDL, JAX-RS, JAX-WS, Jersey, AWS, Micro Services

Database: MySQL, Mongo DB

WORK EXPERIENCE:

Confidential, Irving, TX

Full Stack Java Developer

Responsibilities:

• Developed various screens for the front end usingReact JSand used various predefined components from NPM (Node Package Manager) andReduxlibrary.
• UsedReactJSto implement functions in various pages: form validation, crud, grid list, search, sort, pagination, multi-selection, tags-input, advanced/custom directives, authentication, unit tests, etc.
• Implemented the Drag and Drop functionality usingReact-Draggable.
• Used ReactJSin development of the web application to bind the data/model that is being retrieved from a database through services provided in a controller to the view using scope.
• Developed various screens for the front end using ReactJS and used various predefined components from NPM (Node Package Manager).
• Developed the application usingJava 1.8and implemented its features like Lambdas Expressions, Time API, Streams, functional interfaces, collectors, default methods, type interfaces, for each.
• Create and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework.
• Extensively used various Spring Framework modules like MVC, Dependency Injection (IOC), Auto Wiring, Spring Security and AOP. Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.
• ImplementedOAUTH 2(Rest service authentication) in our application in order to communicate securely with other protected resources by exchanging access tokens for authentication instead of using username and passwords.
• Single Sign On (SSO) authentication is implemented using Spring security and Site Minder so that user can sign into single site and browser will sign automatically to another cross domain.
• OAUTH 2.0authentication framework is used to provide security to Restful web services by generating access token in order to access protected resources.
• Delivered strategic and tactical service and feature enhancements to end users, including Ping Federate SAML & OAUTH SSO for over 25 connections and a services integration layer.
• Spring securityis used for authentication and authorization and to provide protection against attacks likesession fixation,clickjackingandcross site request forgery.
• Used Spring MVC framework at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced, and maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping customer log data and transactions details etc.
• Implemented Batch jobs to deal with large number of chunks usingSpring Batch Frameworkto execute the similar jobs simultaneously.
• Designed and integrated the full-scale Hibernate persistence solution with the application architecture.
• Involved in design and development of the Hibernate Domain Model for the service.
• Involved in using JPA(Java Persistence API) frameworks and APIs as JDO and Hibernate.
• Developed a RESTfulbased service for data retrieval to make it independent of the current application.
• Excellent in deploying the applications in AWS as EC2 instances and create snapshots for the data that must be stored in AWS S3.
• Utilized Amazon Web Services (AWS) EC2 to deployDocker containers.
• Wrote services to store and retrieve user data from MongoDB for the application on devices.
• WebSphere is used as an Application Server to Deploy the Application.
• Experience in using JUnit and build tools such as MAVEN.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications

Environment: Agile methodology, Java 1.8, J2EE, HTML5, CSS3, jQuery, Bootstrap, JavaScript, React, Hibernate, Spring MVC, spring security, SAML, XML, GIT, JSP, JUnit, Maven, IBM WebSphere, Apache, JAX-RS, Restful, Amazon Web Services (AWS), Micro Services, Oracle, WSD and Spring Tool Suite.

Confidential, San Francisco, CA

Full Stack Developer

Responsibilities:

• Developed static pages using HTML5, CSS3 with Ajax calls in jQuery to retrieve data as JSON Object from back-end RESTful Server, then display the well-organized result in web pages by writing Angular 6 controller, directives, services, and route providers. Also, used Angular 6 filter to make the data searchable and sortable.
• Created single page application with loading multiple views using route services and adding more user experiences to make it more dynamic by using Angular 6 framework.
• Implemented Angular Router to enable navigation from one view to the next as customer performs application tasks.
• Enhanced application performance by Angular 6 Component based development in view of future Angular framework transitions
• Developed complex Multithreaded Java applications for processing large volumes of data to achieve Multitasking.
• 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.
• Used Spring Batch for processing large amount of data like transaction management, job processing, resource management and logging.
• Secured the API's by implementing Oauth2 token-based authentication/authorization scheme using spring security.
• Developed the persistence layer using Hibernate Framework by configuring the various mappings in hibernate files and created DAO layer.
• Worked with MongoDB to store non-relational data into collection and retrieve them whenever required.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and access them through Java Programs from Oracle Database.
• Developed REST API's using Spring MVC and Spring boot, hosted all micro services on AWS and used Elastic Beanstalk to setup application and configured environments.
• Developed a production-level cloud-based architecture in AWS, including creating machine Images like AMI.
• Involved in creating EC2 instances and installed required configurations and applications on it and created S3 buckets for storing object level data into it.
• Involved in creating resources stack on AWS EC2 using Cloud Formation by writing Template files.
• Used Docker for creating Docker images for launching containers on AWS EC2 and Expert in using Docker for Environment provision solution.
• Worked on integrating Spring with the Elasticsearch and developed API's to read and publish data from Elasticsearch cluster using native Java transport client as well as REST client.
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with Restful endpoints.
• Used Swagger specification for documenting REST API’s which exposes description of a RESTFUL web services to different clients.
• Worked in Agile TDD environment using SDLC tools like SVN, Jira, Jenkins, Maven for build packaging and deployments of the application components.
• Used Spring Tool Suite (STS) as an IDE for Application Development.

Environment: Agile methodology, Java 1.8, HTML5, CSS3, JavaScript, Angular 6, STS, J2EE, Hibernate, Spring framework modules, JSP, Oracle, MongoDB, MVC, Jira, Jenkins, JUnit, Maven, Log4J, Apache Tomcat, Spring Boot, Micro services, AWS, Elastic Bean stack, Spring Batch, Docker, Elastic search, STS, Tortoise SVN.

Confidential

Full Stack Developer

Responsibilities:

• Developed presentation layer using HTML5, CSS3, Bootstrap, jQuery and Angular JS.
• UsedAngular JSas framework to create aSingle Page Application (SPA) which can bind data to specific views and synchronize data with server.
• Developed Bootstrap responsive web application pages usingAngular JSservices, controllers and directives for front end UI and consumed RESTful web service API.
• Utilized Angular libraries likeangular-ui-router, angular-resourceto make the powerful single page application and utilized angular-storage to briefly store the information utilized as a part of this application.
• Designed and developed application using Spring Framework modules like Spring IOC, Spring AOP and handled security using Spring Security Oauth.
• Spring MVC model integration for front-end request action controller and Spring AOP for logging purposes.
• Used Spring IOC for dependency injection and developed controllers for handling Http requests and providing Http response.
• Developed REST and SOAP based Web Services for data retrieval to make it independent of the current application.
• Implemented RESTful web services using JAX-RS and Jersey as provider.
• Implemented Service Oriented Architecture by SOAP based Web Services with JAX-WS and WSDL.
• Developed the DAO layer for the application using Spring Integration and Hibernate template support.
• Used JMS API for communication between the components.
• Designed, configured and deployed Amazon Web Services (AWS) for a multitude of applications utilizing the Amazon cloud formation.
• Used aMicroservicearchitecture, with Spring Boot-basedservicesinteracting through a combination of REST and MQ to deploy Identitymicroservicesand Micro Components.
• Established connection to Oracle database with Spring Integration, Hibernate and created POJOs for mapping with the database tables.
• MicroServicesare being used as a strategy to gradually replace a core monolithic application while still adding business features.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, cursors, and indexes in Data Access Layer.
• Developed test cases for Unit Testing, Integration Testing with JUnit.
• Used Maven as build automation tool and deployments are on Web Sphere Application Server.
• Jenkins for Continuous Integration and Spring Tool Suite (STS) IDE for application development.

Environment: Java, J2EE, HTML5, CSS3, Bootstrap, jQuery, AngularJS, Spring IOC, Spring AOP, Spring MVC, Spring Security, Hibernate, JDBC, REST, SOAP, JAX-RS, JAX-WS, WSDL, Service Oriented Architecture, AWS, Micro Services, Oracle, SQL, PL/SQL, Unit Testing, JUnit, Log4j, Maven, Web Sphere Application Server, Jenkins and Spring Tool Suite (STS).

Confidential

Java Developer

Responsibilities:

• Worked on building high performant core java multi-threaded modules utilizing (thread pools, thread locals, re-entrant locks wait/notify, latches, deadlocks etc.).
• Contributed to architecting the framework according to the J2EE Design Patterns (Client tire, Middle tire, Business tire).
• Developed Use-case diagrams, class diagrams according to the UML standards.
• Developed both client and server-side functionality using Struts and J2EE technologies.
• Developed web application using Struts framework that uses Model View Controller (MVC) architecture with JSP as the view in the front end.
• Created XML files to provide Context and Hibernate Mapping for database persistence.
• Worked on WSDL’s files in SOAP web services.
• Involved in writing complex queries using PL/SQL to extract data from database and to delete the data and to reload the data on Oracle database.
• Developed functional test cases for Integration and Functional testing, regression testing using JUnit, and user acceptance testing.
• Used ANT as deployment tool to handle platform specific properties such as file separators and automating complicated repetitive tasks.
• Developed various scripts for Creation and deployment of the code package using WebLogic.
• Implemented the SQL queries for database interaction.
• Worked as support in production for various production issues.

Environment: J2EE, Struts, JSP, AJAX, JDBC, Oracle, WebLogic, JavaScript, Java Beans, HTML, UML, JUnit, ANT, Framework, Validation framework and Design Patterns, Windows XP.

Confidential

 Jr. Java Developer

Responsibilities:

• Involved in development, testing and implementation of the complete business solution.
• Used Java Servlets extensively and using JDBC for database access.
• Designed and developed user interfaces using JSP, JavaScript and XHTML.
• Used various J2EE design patterns like Singleton, Command Pattern for the implementation of the application.
• Designed, coded and configured server side J2EE components like JSP, Servlets, JavaBeans, JDBC, JNDI, JTS, Java Mail API, XML.
• Involved in database design and developed SQL Queries on MySQL.
• Configured the product for different application servers.
• Involved in client-side validations using JavaScript.
• Used Swing Layout managers and Swing components for creating desktop application.

Environment: Java, JDBC, Servlets, Struts, JSP, Hibernate, Java Mail API, AJAX, HTML, XML, ANT, Log4J, CVS, Eclipse, MySQL.