SUMMARY

• Over 6 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, NodeJS, Bootstrap, Tag Libraries, JSTL.
• Experience 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 modules like 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) frame work and used Hibernate Annotations to reduce time at the configuration level.
• 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.
• 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.
• 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.
• 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: C, C++, Java 1.8, J2EE, and PL/SQL.

Tools: and Framework: Struts, Spring, Hibernate, Spring MVC, Spring Web Flow, Spring IOC, Spring AOP, Spring Security, Struts, JSF, Apache Camel, JUnit, SOAP UI, JReport.

J2SE/J2EE Technologies: Java, J2EE, RMI, Sockets, JDBC, Servlets, JSP, JMS, Java Beans, JSTL, JSF, Jakarta Struts, EJB, Spring, Hibernate, JTA, JNDI, JPA JMS, Web Services (JAX-RPC, JAX-WS, SOAP, REST, WSDL, UDDI and RESTFUL), Groovy/Grails.

Web Technologies: HTML5, CSS3, JavaScript, JQuery, Bootstrap, AngularJS, JSF, AJAX, NodeJS, JSON Restful.

XML Technologies: XML, XSL, DOM, SAX, DTD, XQuery, XSD and XSLT.

Cloud Technologies: AWS EC2, S3, Dynamo DB, ELB

Databases: Oracle, SQL-Server, MySQL server, MS SQL, IBM DB2, MongoDB, NoSQL.

Web/Application Servers: Apache Tomcat, IBM WebSphere, Glassfish, Web logic Application server, JBOSS.

Build Tools: ANT, Maven, Gradle, Vagrant, Docker and Jenkins

IDE / Tools: Eclipse, IntelliJ, Spring Tool Suite (STS), RAD

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

Version Control: Tortoise SVN, Confidential and GIT

Platforms: Windows, Mac, Linux and Unix.

Methodologies: Agile, Waterfall, Test Driven Development

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Full stack Java Developer

Responsibilities:

• Involved in developing responsive UI using HTML5, CSS3, JavaScript, Bootstrap and SPA (single page application) using Angular 6, Typescript, Angular-CLI, NGRX, Bootstrap and Web pack.
• Used Angular router and implemented module wide routing and created different forms using Angular data driven and template driven forms.
• Developed Angular Components, Services, and Filters and took part in developing unit test and integration test cases using Jasmine, Karma and Web pack.
• Working in Agile delivery model with business and lead in all the scrum framework events such as demos, sprint planning, daily scrum, sprint review, backlog refinement, grooming session, pointing sessions and sprint retrospective.
• Converted a monolithic app (Premier Provider Web) to (Provide Information Enterprise Relations) app with microservices architecture using Spring Boot using 12-factor app methodology.
• Used Spring Boot which is radically faster in building cloud Micro Services and develop Spring based application with very less configuration.
• Developed Micro services & APIs using Spring Cloud, Spring Security, Spring Boot, Spring Integration.
• Performed REST validations and created REST exception Handlers and used Postman to test REST services.
• Developed unit test cases using Junit, Spring to test REST microservices.
• Used Java 1.8 Lambda expressions and Stream API to support functional-style operations on streams of elements.
• Worked on Java functional programming concepts like Streams, Functional Interfaces, new date time API and lambda expressions.
• Used Multi-Threading and collection framework including List, Map etc.
• Implemented Cloud capabilities like Centralized Configuration, Load Balancing, Service-to-Service call using Feign, Service Registry and Discovery using Eureka in Spring Cloud.
• Used Spring Boot which is radically faster in building cloud Micro Services and develop Spring based application with very less configuration.
• Used Apache Maven as a build tool for building the Restful web-service.

Environment: Java 1.8, concurrent package, lambda expressions, streams, JavaScript, Spring Data, IBM MQ, JAX-B, JAX-RS, Spring Boot, Spring Cloud, SQL, Oracle 11g, GIT/Stash(Bitbucket),Maven, ServiceNow, Autosys, Eclipse, Unix, JUnit, Log4J, Angular, HTML, CSS, and Bootstrap, Swagger, Microservices, JIRA.

Confidential, Nebraska, NE

Java Developer

Responsibilities:

• Developed and implemented jobs like data loaders, data processors, calculators and exporters using Java, J2EE and JMS etc. which are used to load credit-risk data from upstream, process and calculate the exposures and then export it to the respective downstream
• Used development IDEs like Eclipse for Java and Toad for PLSQL development
• Wrote scripts for the jobs to execute them on the Unix server using Shell scripting
• Monitored and debugged Java logs on Unix server
• Used basic Unix commands to perform various operations on the Unix server
• Used basic Linux commands for file management and other operations
• Used Spring Boot which is radically faster in building cloud Micro Services and develop Spring based application with very less configuration.
• Performed REST validations and created REST exception Handlers and used Postman to test REST services.
• Developed unit test cases using Junit, Spring to test REST microservices.
• Involved in consuming SOAP based web services so that the business application can integrate with legacy applications and facilitates for future applications.
• Used Java 1.8 Lambda expressions and Stream API to support functional-style operations on streams of elements.
• Worked on Java functional programming concepts like Streams, Functional Interfaces, new date time API and lambda expressions.
• Used Multi-Threading and collection framework including List, Map etc.
• Used Apache Maven as a build tool for building the Restful web-service.

Environment: Java 1.8, concurrent package, lambda expressions, streams, JavaScript, JSP’s, JDBC, EJB, JPA, Hibernate, IBM MQ, JAX-B, JAX-RS, Spring Boot, Spring Cloud, SQL, Oracle 10g, SVN, GitHub, Ant, ServiceNow, Autosys, Eclipse, Unix, JUnit, Log4J, Angular, HTML, CSS, and Bootstrap, Swagger, Microservices, JIRA.

Confidential, charlotte, NC

Java Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development, and testing.
• Used Spring MVC framework for implementing Model-View- Controller (MVC) architecture at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced, maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping logged data and transactions details etc.
• 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.
• Designed and developed third-party Payment services to Offer Users Convenient Payment Methods based on OAuth Protocol
• Used Hibernate ORM framework as persistence engine and wrote Hibernate Queries to automate the mapping between Oracle database and Objects in Java.
• Involved in writing SQL and Stored Procedures for handling complex queries with help of TOAD and access them through Java Programs from Oracle Database.
• Used WebLogic server to route our JMS queue messages to different business floors and configured routes in WebLogic and used JMS in e-mail notification.
• Worked on setting up Maven scripts to build, package, and deploy application code to the target WebLogic Application Servers and worked on continuous integration servers like Jenkins.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with Restful endpoints.
• 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.
• Focused on Test Driven Development there by creating detailed JUnit tests for every single piece of functionality before writing the functionality.
• Worked in Agile TDD environment using SDLC tools like GIT, Jira, Jenkins, and Maven for build packaging and deployments of the application components.

Environment: Agile methodology, Java 1.8, J2EE, Hibernate, Spring, XML, JSP, JAX-RS, Spring AOP, Spring security, Oracle, HTML, AJAX, JavaScript, Angular, Docker, GIT, JIRA, PL/SQL, STS, JUnit, Log4J, Maven, Jenkins, WebLogic Application Server, AWS IAM, EC2, S3, RDS, SQS.

Confidential, Chicago, IL

Full stack Java Developer

Responsibilities:

• Involved in design , development and testing phases of the SDLC using Agile Methodology.
• Developed user interface using JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application and developed the User Interface using HTML , CSS , and Ajax .
• Used Bootstrap and Angular JS to create Controllers to handle events triggered by clients and send request to server.
• Integrate the dynamic pages with Angular JS and jQuery to make the pages dynamic.
• Used AJAX API for intensive user operations and client-side validations.
• Consumed RESTful web services using jQuery / AJAX to fetch the server data and used JSON parsing to render the data in UI.
• Developed application using Struts MVC Framework wrote Configuration XML file that contains declarations and another dependent object declaration.
• Inserted Dependency Injection between components using Spring’s (IOC) concept.
• Used Multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Deployed the Spring Boot application in Cloud platform using Puppet .
• Implemented Asynchronous messaging between components using JMS .
• Used Singleton design pattern in Hibernate Utility class.
• Developed various Java beans for the performance of business processes and effectively involved in Impact analysis.
• Worked as a back-end developer and developed several REST endpoints to process the XHTML documents to import them in the Oracle Database or fetch them using Grails framework
• Developed application service components and configured beans using Spring IOC , creation of Hibernate mapping files and generation of database schema.
• Worked on creating Docker image though a Docker file via Jenkins and deploying the Docker image on Open shift.
• Deployed scalable services, securely and reliably, on a wide variety of platforms using Docker .
• Developed Web Logic container security components for adding vendor specific Security Realm to application using JMX .
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons. Designed and developed Hibernate DAO is using spring framework’s Hibernate Dao Support and Hibernate Template .
• Used Cassandra to work on JSON documented data.
• Configured and managed Apache Web Server on Linux for web based applications using REST/SOAP, Apache and WebSphere.
• Creating and managing user accounts, system security, performance tuning, change management, documents and procedures on Linux .
• Worked on Cassandra Querying language to load bulk of data and execute queries.
• Created Data Access Objects (DAO) to add, modify and deletion of records.
• Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle using TOAD tool .
• Written Stored Procedures and SQL scripts both in SQL Server and Oracle to implement business rules.
• Implemented PL/SQL procedures and views in Oracle Database.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase .
• Refactoring of monolithic applications to a Microservices and Component based architectures.
• Designed data-driven testing framework in Selenium and captured data dynamically from web controls
• Created automation framework and test scripts using Selenium Web-Driver for multiple platforms and browsers testing.
• Implemented Log4J for Logging Errors, debugging and tracking.
• Prepared technical reports & documentation manuals during the program development.
• Used Tortoise 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.
• Performed deployment of applications IBM WebSphere Application Server.

Environment: Java, Html, CSS, JavaScript, jQuery, Bootstrap, Cloud Platform, JSP, J2EE, DOM/SAX PARSERS, JMS, Spring (Services, DAO, MVC, IOC) and Struts Framework, Hibernate, Spring Micro services, Docker, Cassandra, Microservices, RESTful, SOAP, JMX, Scala, Linux, WSDL, UDDI, Oracle, PL/SQL, Log4J, Maven, Tortoise SVN, Web Sphere.

Confidential

Jr. Java Developer

Responsibilities:

• Involved in understanding and analyzing the requirements of the project.
• Followed Waterfall Methodology to implement the features.
• Implemented Struts MVC design pattern and front controller pattern.
• Developed Action Class components for performing business process execution and involved in configuration of struts configuration specific xml file.
• Created and handled Custom-Exceptions that are related to business operations. Created child Threads to improve the performance by running some independent tasks at background.
• Developed Server-Side components for the business services for creating Items, BOM, Sourcing Rules, and substitute.
• Used Java Jdk1.5 features to implement the functionalities.
• Designed and developed the User Interface using HTML, JavaScript, AJAX and CSS.
• Used Log4j for logging purposes during the development of the application.
• Used JDBC to interact with the underlying MySQL Database.
• Extensively worked on SQL for writing complex queries in the business logic layer.
• Deployed Applications on Apache Tomcat Server and used Confidential as the version control manager.
• Used Mantis for tracking the issues and for enhancements of any features.
• Used Eclipse IDE to integrate the different frameworks to build the overall application.

Environment: : Java, JDBC, Jdk1.5, Servlets, Struts, JSP, Hibernate, Java Mail API, AJAX, HTML, XML, ANT, Log4J, Confidential, RAD, Putty, MySQL, Mantis, Apache Tomcat, Eclipse IDE, Waterfall Methodology.