SUMMARY

• Having 8 years of professional IT experience in designing and developing Web based and Enterprise applications using JAVA/J2EE technologies in Telecom, Financial, Insurance and Digital domains.
• Experienced in all phases of Software Development Life Cycle (SDLC) including Analysis, Design, and Development, Debugging, Support, Integration, Maintenance, and Enhancements of Java/J2EE Applications.
• Experience in working in environments using Agile (SCRUM) and Waterfall development methodologies.
• Expertise in client and server scripting languages like HTML5, CSS3, JavaScript, Bootstrap, JQuery, AngularJS, ReactJS, BackboneJS and NodeJS.
• Experience with Java 1.8 features such as Lambda expressions, Parallel operations on collections and for effective sorting mechanisms and new Date Time API.
• Handled operations and maintenance support for AWS cloud resources which includes launching, maintaining, and troubleshootingEC2 instances,S3 buckets,Auto Scaling,Dynamo DB, AWS IAM, Elastic Load Balancers (ELB) and Relational Database Services (RDS). Also created snapshots for data to store in AWS S3.
• Experience in developing and solid understanding of Service Oriented Architecture and Micro Services Architecture.
• Design conceptual forms application using Ionic 3 Framework, Angular & TypeScript.
• Experience with different Spring framework modules like Spring Core, Spring AOP, Spring IOC, Spring MVC, Spring Boot, Spring Batch, Spring Security, and Spring cloud.
• Experience using persistence framework like Hibernate, JPA for mapping java classes with Database and using HQL (Hibernate Query Language).
• Experience in both providing and consuming WebServicesusing SOAP and RESTful WebServices(JAX - RS and JAX-WS).
• Experience in design and development of robust and highly scalable web service platforms and API’s based onRESTandSOAPfor e-commerce applications usingAXIS,WSDL, UDDI, XML, JAX-WS, JAX-RS, JAXB, JAX-RPCtechnologiesandJerseyframeworks.
• Strong hands on experience in implementing Design patterns like MVC, Data Access Object, Business Delegate, Factory, Proxy, and Singleton.
• Experience in developing web-based enterprise applications using Core Java, J2EE, Servlets, JSP, JSF, JDBC, Hibernate, Web Services (SOAP and REST), MVC Framework (Struts, Spring MVC) and SQL.
• Strong experience in Core Java concepts like Collections, Multithreading, Event Handling, Exception Handling, and Generics.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
• Having experience on Data Quality, SAP MDM, SAP MM.
• Proficient in writing and handling SQL Queries, PL/SQL, Stored Procedures, and Triggers.
• Good experience with Relational databases like Oracle, My SQL, MS SQL Server, IBM DB2 and No SQL databases like Mongo DB and Dynamo DB.
• Experienced in implementation of JMS to exchange information over reliable channel in an asynchronous way by using Active MQ, Rabbit MQ as a message queue.
• Experience with application servers likeWeb Logic, JBOSS, Apache TomcatandIBM Web Sphere.
• Good experience writing application deployment scripts using Shell Scripting. Worked on Windows, UNIX, LINUX platforms to move the project into production environment.
• Experience with JUnit and Mockito in developing test cases and Log4J in determining application functionality.
• Working knowledge with version control tools like SVN, Confidential, GIT, and Visual Source Safe.
• Hands on experience in building tools likeANT, Maven, Gradle.
• Involved in issue tracking and agile project management usingJIRA.
• Highly experience with Java complaintIDE’slikeEclipse,RAD, Spring Tool Suite,IntelliJ.

TECHNICAL SKILLS

Languages: C, C++, Java 1.8, J2EE, SQL, and PL/SQL

Enterprise Java: JSP, Servlet, JNDI, JDBC, Java security and JSF, Java Regex

Mark-up/XML Technologies: XML, XSD, XSL/XSLT, SAX/DOM, JSON

Web Technologies: HTML5, CSS3, Java Script, JQuery, Ajax, Bootstrap, AngularJS, ReactJS and NodeJS, ExpressJS,Angular2,Angular CLI

Tools: & Framework: Struts, Spring, Hibernate, Spring MVC, Spring HATEOAS, Spring Web Flow, Spring IOC, Spring AOP, JMS, JSF, Log4J, Ionic 3,SpringBoot, Spring Cloud, Spring Batch, Spring Security.

Web services: SOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS JAX-WS, JAX-B, Axis2, Jersey, Micro Services Architecture

Web/App Servers: Web Sphere, Apache Tomcat, JBoss, WebLogic

Database: Oracle, My SQL, SQL Server, IBM DB2, Mongo DB and Dynamo DB.

Development Tools: Eclipse, Net Beans, IntelliJ, RAD and Spring Tool Suite (STS).

O-R mapping: Hibernate, MyBatis and JPA

Testing Tools/ Others: JUnit, Soap UI, Mockito, Log4j and JIRA

Version Control: Confidential, SVN, GIT, Rational Clear Case

OS & Environment: Windows, UNIX, Linux, and Mac

Cloud Technologies: AWS EC2, S3, Elastic Beanstalk EBS, Elastic Load Balancing ELB, API-Gateway, Cloud Foundry

PROFESSIONAL EXPERIENCE

Confidential, Woonsocket, RI

Sr. Full Stack Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) and worked in a highly dynamic de environment and participated in Scrum and Sprint meetings.
• Developed UI using HTML5, CSS3, JavaScript, Bootstrap, JQuery, Angular2 and NodeJS.
• Design conceptual hybrid mobile application using Ionic 3 Framework.
• Built Angular2 modules, controllers, pop up modals, and file uploaders.
• Created reusable directives, factories, and services in Angular2.
• Experienced with AWS services to smoothly manage application in the cloud and creating or modifying the instances.
• Participated in troubleshooting issues on AWS, Netflix Eureka, and Cloud environments.
• Involved in writing Java API for Amazon Lambda to manage some of the AWS services.
• Participated in creation of Spring Configurations using Java8 features, Lambda expressions, Streams, filters.
• Worked Docker container management along with volumes, container based DB and services, DockerArtifactory configuration and setup.
• Designed and developed Micro Services business components and RESTful service endpoints using Spring boot.
• Implemented first-hand the best/worst practices for integrating Micro Services into existing system architecture.
• Micro Services were being used as a strategy to gradually replace a core monolithic application while still adding business features.
• Designed and implemented application using Spring Boot, Spring MVC, Spring IOC, Spring Annotations, Spring AOP, Spring Transactions and Spring JDBC.
• Experience with Java Regex and Pattern classes for searches.
• Having good experience with java design patterns like front controller, Singleton objects.
• Implemented the authentication and authorization of the application using Spring Security and Oauth2.
• Worked on integrated Hystrix dashboard to monitor spring micro-services using Circuit Breaker.
• Implemented Multithreading, Concurrency, Exception Handling, and Collections whenever necessary.
• Prepared calls through Hibernate and Spring JDBC for Interacting with the Database.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, Cursors, and indexes in Oracle DB.
• Performed data extraction and loading the JSON data with the server-side content in to theMongoDB.
• Configured JMS Server setup and DB Connection pool setup and deployed Returned items in Web Sphere Server.
• Used Active MQ to communicate with controller and used service layer to implement the business logic.
• Implemented Batch jobs using Spring Batch created various item readers, item writers and item processors.
• Involved in support for end to operations support for OSS/BSS (Business Support System) identify gaps, and propose solutions and manage issue resolution.
• Worked with Spring Ribbon and Kafka broker service to handle heavy traffic.jir
• Deployed and tested the application on Web Sphere Application Server.
• Developed test cases for unit testing in the integration layer using Mockito framework.
• Used UNIX shell scripts to search/modify files.
• Setup the (CI) and (CD) process for the application using theJenkins.
• Installed and deployed monitoring solution with Splunk services.
• Worked on Log4J to validate functionalities and JUnit for unit testing.
• Implemented configured and customized JIRA issue tracking software with agile plug-in across all company functions.
• Used GitHub 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: Java1.8, J2EE, HTML5, CSS3, Bootstrap, JQuery, Angular JS, ReactJS, JavaScript, NodeJS, Spring IOC, Spring MVC, Spring Security, Spring Boot, Spring Batch, Spring Data, Hibernate, Active MQ, RESTful, Micro Service, AWS, EC2, Docker, Mongo DB, Oracle DB, Maven, STS, Web Sphere Application Server, Mockito, JMS, UNIX, Jenkins, JIRA, log4j and GIT, Java Regex.

Confidential, St Louis, MO

Full Stack Developer

Responsibilities:

• Responsible for all stages of design, development, and deployment of applications. Active role in Test Driven Development termed as TDD apart from Agile Software Development.
• Upgraded existing UI with HTML5, CSS3, jQuery and Bootstrap with AngularJS interaction.
• Designed, developed a custom, single-page, responsive web application on front end using AngularJS.
• Developed custom directives, Factories and Services in AngularJS and created AngularJS Controller to isolate the scopes to perform operations.
• Created the AngularJS app usingYeoman, Grunt and Bower and used Angular UI for component model.
• Used JavaScript, JQuery for user interactions in pages. Creating a responsive web application integrating Twitter BootstrapwithAngularJS and media queries.
• Added user validations and user permissions by using the NodeJS with libraries ExpressJS.
• Developed an API to write XML documents from a database. Utilized XML and XSL Transformation for dynamic web-content and database connectivity.
• Designed the application using various Spring technologies and used Spring Security to provide better authentication instances.
• Developed SOAP based JAX-WS Web Service interfaces for integrating multiple systems, code re-usability.
• Developed Restful Web services for other systems to interact with our system and secured the service with Spring-SecurityOauth-2.0.Added WS-Securityusing XWSS to secure the Web services.
• Developed services that utilize the Cloud Foundry and Azure client libraries (SDK) for Java.
• Used Micro-services to ensure the scalability of application on cloud infrastructure.
• Refactored existing monolithic application by identifying components that needs to be transformed to Micro- services architecture, with Spring Boot-based services interacting through a combination of REST and AWS API-Gateway.
• Analysis the logs data and filter required columns by Log stash configuration and send it to Elastic Search.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management.
• Implemented Web-Services to integrate between different applications components using Restful web services by using Jersey for JAX-RS implementation.
• Developed SOAP based JAX-WS Web Service interfaces for integrating multiple systems, code re-usability.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design, etc.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Used WebSphere serverto route our JMS queue messages to different business floors and configured routes in WebSphere.
• Implemented various design patterns like Factory and Singleton
• Used Apache Camel Framework to transform, extract and load the data.
• Developed unit and integration tests for existingMicro Servicesusing JUnit, Mockito and Docker environments.
• Involved in installing and configuring Maven for application builds and deployment.
• Configured and customized logs using Log4J and Used GIT as a version control tool. UsedJMeterto test performance of SOAP protocol.
• Worked on Creating Kafka Adaptors for decoupling the application dependency.
• Used JIRA to assign, track, report and audit the issues in the application.
• Setup the CI and CD process for the application using the Jenkins.
• Involved in System Testing, Integration Testing, and Production Testing on WebLogic Server.

Environment: HTML5, CSS3, JavaScript, JQuery, Bootstrap, AngularJS, NodeJS, AJAX, Agile(SCRUM), Hibernate, Spring, Struts, MongoDB, Spring Batch, Spring Boot, Spring Cloud, Spring Security, JSON, XML, GIT, Spring MVC, Apache Camel, JUnit, Maven, JMS, WebSphere, Restful, JAX-RS, Log4J, Micro Services, Kafka, Elastic Search, Logstash, JIRA, Jenkins, JMeter.

Confidential, Irving, TX

Java/J2EE Developer

Responsibilities:

• Involved in complete development of ‘Agile Development Methodology/SCRUM’, developed and tested the application during various iterations.
• Developed screens using HTML, CSS and JQuery.
• Developed the User Interface using Spring framework, JQuery and Ajax.
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side in AngularJS.
• Handled Java multithreading part in back - end component, one thread will be running for each user, which serves that user.
• Used spring frame work Spring AOP features and JDBC module features to persist the data to the database for few applications.
• Developed the persistence layer using Hibernate Framework by configuring the mappings in hibernate mapping files and created DAO and PO.
• Developed various Java beans for performance of business processes and effectively involved in Impact analysis.
• Developed application service components and configured beans using Spring IOC, creation of Hibernate mapping files and generation of database schema.
• Implemented a highly-scalable vertical and horizontal, performance efficient Drools architecture.
• Installed and configured JBOSS server with MYSQL persistence. Extracted rules data from the database and decision tables.
• CreatedSOAPweb services interface to Java-based runtime engine and accounts.
• Actively involved in writing SQL using SQL query builder.
• Worked on MYSQLdatabases and Oracle databases technologies.
• Used Maven as build tool and deploying the application.
• Actively used the defect tracking tool JIRA to create and track the defects during QA phase of the project.
• Used SVN 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.
• Developed test cases using JUnit.

Environment: SCRUM, SDLC, Maven, HTML, CSS, and JQuery, Spring, Ajax, AngularJS, AOP, JDBC, Spring IOC, Hibernate, DAO, PO, Java beans, SOAP, SQL, JIRA, QA, SVN, JUnit, JBOSS Server, Drools.

Confidential, South Houston, TX

Java developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modelling, analysis, design, development, testing, and monitoring.
• Involved in the front end using JSP, HTML, CSS, JavaScript and JQuery.
• Implemented MVC architecture using JSP, Spring, 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, and transaction management to distinguish business logic from the cross-cutting concerns.
• Used Spring Security for Authentication and Authorization of the application.
• Created data model and generated Hibernate mappings and domain objects using Hibernate tools.
• Interfaced with the My SQL 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.
• Developed Unit /Integration test cases using JUnit.
• Used Gradle tool for building and deploying the Web applications in Web Logic Server.
• 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.

Environment: Java, J2EE, HTML, CSS, JavaScript, JQuery, Struts, Spring IOC, Spring MVC, Spring AOP, JDBC, Hibernate, My SQL, HQL, SQL, JUnit, Gradle, JIRA, Log4J, Eclipse, SVN and Web Logic Server.

Confidential

Java/J2EE Developer

Responsibilities:

• Developed front-end screens using JSP, HTML, CSS, JavaScript, and JSON.
• Implemented Struts MVC design pattern and front controller pattern along with Action Servlet as front controller for this application.
• Developed SCM by using the JSP/HTML like one form for each functionality user interface, standard validations using the JavaScript, Servlets used as the controllers for the business logic and business logic using JDBC, XML parsing techniques etc using MVC.
• Developed Single SignOn (SSO) functionality, through which we can run SCM from Oracle Applications.
• Involved in developing the Routings and configured Routing Program as scheduled the concurrent request.
• Developed Server-Side components for the business services for creating Items, BOM, Sourcing Rules, and substitute.
• Involved in raising the Notifications to Oracle Users through Mailing Concept for intimating to start the next process using workflow.
• Extensively worked on creating the setups for Organizations, Templates, Concurrent Requests, Cross Reference Types, User Creations, assigning responsibilities, creating value sets, Descriptive Flex Fields etc, in Oracle Applications.
• Used Confidential as version control system.

Environment: Java, JDBC, Servlets, Oracle, JSP, XML, UML, HTML, CSS, JavaScript, UNIX, Confidential .

Confidential

Java Developer

Responsibilities:

• Involved in Analysis and Design of the project and developing prototypes of the product.
• Developed the application using Struts Framework that leverages classical Model View Controller (MVC) architecture.
• Developed Controller Servlets, Action, and Form objects for process of interacting with Oracle database and retrieving dynamic data.
• Wrote custom support modules for upgrade implementation using PL/SQL, UNIX Shell scripts.
• Developed backend components, DB Scripts for the backend communication.
• Used Apache Log4j logging API to log errors and messages.
• Involved in Documentation and use case design using UML modeling include development of Class diagrams, Sequence diagrams, and use case Transaction diagrams.
• Developed HTML and JSP pages using Struts.
• Responsible for performance tuning of the product and eliminating memory leakages in the product.
• Used Junit to perform unit testing.
• Used Eclipse tool for application development.
• Used Configuration Management Tools for version control which is built on Confidential .

Environment: Java, JSP, HTML, AJAX, XML, DOM, SAX, JNDI, Struts, DB, PL/SQL, UNIX Shell Scripting, Rational Rose, Apache Tomcat, Oracle, JUnit, Log4j, Confidential, Eclipse.