SUMMARY

• Over 5 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 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) 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.
• HadoopMapReduce, HDFS, HBase, Oozie, Hive, Sqoop, Zookeeper, Flume and Kafka.
• Experience on Apache Hadoop technologies Hadoopdistributed file system (HDFS), MapReduce framework, YARN, Pig, Hive, Sqoop, Flume and Kafka.

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, CVS and GIT

Platforms: Windows, Mac, Linux and Unix.

Methodologies: Agile, Waterfall, Test Driven Development

PROFESSIONAL EXPERIENCE

Confidential, JERSEY CITY, NJ

Responsibilities:

• Involved in creating Rest apis using spring boot.
• Created Batch application and automated the reporting of Gap Monitoring using Spring Batch
• Created aggregation queries to search elasticsearch for Telemetry, Tickets, Events data.
• Used Java8 features like lambdas, parallel streams, Optional Interfaces.
• Used Kafka as a message broker consuming and producing messages.
• Involved in developing CI CD pipeline using GitLab
• Unit Tested using Junit4 Mockito, PowerMock
• Created persistence layer using spring data, JPA.
• Involved in creating spark data pipelines using spark streaming
• Involved in creating Apache camel routes for file processing and validation workflow
• Designed and developed Rest API using spring boot
• Utilized dataframes API for spark transformations and aggreations
• Created Rest services using spring boot, developing persistence logic utilizing Spring data.

Environment: Java8, Spring Boot, Apache Camel, Angular7, Spring Batch, Spring MVC, Docker, Kubernettes, Amazon web services, Java8, Kafka, Spark Streaming, ControlM,, Eclipse, Spring, PL/SQL, Unix Shell Scripting, Cloudera.

Confidential, San Antonio, TX

Sr. 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 (jQuery).
• Implemented routing logic and navigation from screen to screen and implemented login functionality on the client side inAngular
• Implementedcorefeatures ofAngular framework such as dependencyInjection,Data-binding,Filters, Directives, Templates, Services.
• Used Java 1.8 features like stream and Lambda expressions.
• Maintained Interface compatibility and concurrency in the project using Java 1.8 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.
• 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
• 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 to store non-relational data into collection and retrieve them whenever required.
• Used WebLogic serverto 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.
• Developed the monolithic application and involved in migrating existing monolithic application in to Micro Service Architecture based RESTful Service and deployments were done on AWS.
• Designed and developed Micro Services business components using Spring Boot.
• Developed Restful Micro Services using Spring Rest and MVC, for OSS services.
• Hands on Coding to build REST Micro Services using Spring Cloud, Oracle, XSD, JSON, Spring Config, Cloud Foundry and Jenkins.
• Responsible for creating an instance on Amazon EC2 (AWS) and deployed the application on it.
• Micro Services were being used as a strategy to gradually replace a core monolithic application while still adding business features.
• Worked on AWS services to deploy static websites and dynamic Web Apps on EC2 using Elastic Beanstalk and Elastic Container Service-Docker.
• Worked on developing Restful endpoints to cache application specific data in in-memory data clusters like REDIS and exposed them with Restful endpoints.
• Used AWS Cloud Watch to monitor the application and to store the logging information.
• 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
• Focused onTestDrivenDevelopmentthere by creating detailedJUnittests 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, MongoDB, JSP, HTML, AJAX, JavaScript, jQuery, AngularJS 1.4, Docker, GIT, JIRA, PL/SQL, STS, JUnit, Log4J, Maven, Jenkins, WebLogic Application Server, AWS IAM, EC2, S3, RDS, SQS.

Confidential, Richardson, TX

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, JQuery and Ajax.
• Used Bootstrap andAngularJSto create Controllers to handle events triggered by clients and send request to server.
• Integrate the dynamic pages withAngularJSand 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 containsdeclarations 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 inCloudplatform using Jenkins.
• 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.
• Developed application service components and configured beans using Spring IOC, creation of Hibernate mapping files and generation of database schema.
• Worked on creatingDockerimage though a Docker file via Jenkins and deploying theDocker image on Open shift.
• Deployed scalable services, securely and reliably, on a wide variety of platforms usingDocker.
• Developed Web Logic container security components for adding vendor specific Security Realm to application usingJMX.
• Used micro service architecture, with Spring Boot-based services interacting through a combination of REST and MQ or Apache Kafka message brokers and leveraging AWS to build, test and deploy IdentityMicro Services.
• 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 onLinux for web based applications using REST/SOAP, Apache and WebSphere.
• Creating and managing user accounts, system security, performance tuning, change management, documents and procedures onLinux.
• Worked on CassandraQuerying 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 aMicroservicesand 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.
• UsedTortoise SVNto 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, CloudPlatform, 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

Java Developer

Responsibilities:

• Technical responsibilities included high level architecture and rapid development.
• Design architecture following J2EE MVC framework.
• Developed interfaces using HTML, JSP pages and Struts -Presentation View.
• Developed and implemented Servlets running under Apache Tomcat.
• Designed the user interfaces using JSPs, developed custom tags, and used JSTL Taglib.
• Developed various java business classes for handling different functions.
• Developed controller classes using Struts and tiles API.
• Used J2EE design patterns and Data Access Object (DAO) for the business tier and integration Tier layer of the project.
• Designed and developed Message driven beans that consumed the messages from the Java message queue.
• Implemented CMP entity beans for persistence of business logic implementation.
• Development of database interaction code to JDBC API making extensive use of SQL Query Statements and advanced prepared statement.
• Inspection/Review of quality deliverables such as Design Documents.
• Wrote SQL Scripts,Stored procedures and SQL Loader to load reference data.

Environment: Java, HTML, CSS, J2EE (Java Servlets, JSP, Struts), MVC Framework, Apache Tomcat, JBoss, Oracle, SQL, JDBC, EJB.