PROFESSIONAL SUMMARY:

• Java/J2EE Developer with around 9 years of experience in Application Analysis, Design, Development, Integration, deployment and Maintenance/Support for Web, Standalone, and Client - Server based Software Applications using OOP Concepts, Java 7 & 8 and Java EE (Servlets, JSP, JDBC, JNDI), Multithreading, Collections.
• Experience in all the phases of Software development life cycle (SDLC) and also have rich experience working with different software development methodologies (Agile (scrum), Spiral, TDD and Waterfall).
• Experience in MVC Architecture and industry standard frameworks including Struts, Spring, and Hibernate.
• Good Knowledge on Data Structures and Algorithms, implementation of Data Structures to Graph Algorithms, Searching and sorting, Dynamic Programming.
• Excellent knowledge on Java 8 concepts like Streams, Lambda Expressions, Method s.
• Knowledge on NoSQL databases like Cassandra and Neo4j and Apache Spark for cluster management with Apache Kafka as messaging system.
• Extensive experience in J2EE technologies including specialization in JAVA SE, Servlets, JSP, JDBC, JNDI, Java Beans, XML, Struts, Oracle, and EJB for building Server-side Application with multilayer architecture.
• Expertise in design and development of various web and enterprise applications using Type safe technologies like Scala, Akka and Play framework.
• Extensive experience in Web application development using - HTML, DHTML, CSS, XML, JavaScript, Ajax, spring, Hibernate, Struts, J2EE (JSP, JMS, Servlets, JDBC, Java Beans, EJB).
• Worked with multiple Databases including RDBMS Technologies (MySql, Oracle) and NoSQL databases (MongoDB).
• Experienced in deploying J2EE Application Sever like Apache Tomcat7.x, JBoss 4.2.3, Weblogic8.x/9.x and Web sphere 6.x, 7.0 servers.
• Followed best practices using J2EE design patterns (MVC, Service Locator, Singleton, Session Facade, Business Delegate, and DAO).
• Hands-on experience in different modules Spring Framework’s Spring Web Flow(Spring Core, Spring MVC, Spring ORM, Spring JDBC, Spring Security, Spring Cloud) Inversion of Control and Dependency Injection of Spring Application Framework.
• Strong experience of developing data models using Hibernate POJO's and configuring Hibernate persistence layer and mapping Java classes with database and using Hibernate query language (HQL). Experience in using Hibernate OGM for NoSQL databases.
• Strong Open Source development experience with Java Spring Boot and Microservices.
• Hands-on experience in developing Microservices solutions, experience on Microservices tech stack like Spring Boot and Distributed Cache.
• Expertise in Microservices related frameworks include Ribbon for Client-Side Load Balancer, Eureka for Service Discovery and Zuul proxy for Gateway API.
• Good hands-on experience in Shell Scripting.
• Experienced in different build, release and deployment processes.
• Experience on CI (Continues Integrations) and CD (Continues Deployment) methodologies using Jenkins.
• Experience in Design and Development of Web Services using RESTful APIs and SOAP.
• Experience in using Version Control tools like Git, SVN.
• Experience on Amazon Web Services (AWS) Component Usage, Configurations and Deployment - Elasticsearch, EC2, S3, SNS, SQS.
• Experience with PaaS technologies such as Docker containers.
• Extensive experience working on SQL, PL/SQL, No SQL, Oracle Database development experience using tables, triggers, views, packages and stored procedures, PL/SQL.
• Working knowledge on Amazon Web Services and Cloud-based infrastructure tools and components like AWS, EC2, S3, Virtual Private Cloud (VPC), and Elastic Load Balancing (ELB).
• Experienced in conducting Unit testing and code coverage using JUnit.
• Expertise in various open source frameworks like Struts 2.0/1.2, Spring 3.5 and ORM Technology like Hibernate 3.X.
• Extensive experience in Java SOAP, RESTful Web Services, AngularJS to create single web page applications.
• Experience on JQuery, AngularJS libraries.
• Highly experienced in Acceptance Test-Driven Development ATDD development practices.
• Experience in Agile development methodologies like TDD and BDD.
• Integrated logging frameworks such as Log4J and commons for logging and debugging the application.
• Good knowledge working with developing component based reusable applications and Workflow automation using UML, Rational Rose and Visio.
• Excellent communicational, analytical, business and interpersonal skills. Comfortable working independently and also a good team player. Highly motivated to take independent responsibility as well as has the ability to contribute and be a productive team member.
• Proactive and self-starter with excellent analytical, communication and interpersonal skills.

TECHNICAL SKILLS:

Languages: Java/J2SE 1.4/1.5/1.6/1.7, AWS, SQL, PL/SQL, Python, C++, C

J2EE Technologies: JAVA /J2EE, Servlets, JSP, JSTL, JDBC, JMS, Web Services, REST, SOAP, WSDL, JNDI

Web Technologies: JDBC, Servlets, JSP, JSTL, Java Beans, MVC, Struts, EJB, JSF, JNDI, JMS, SOAP, JSON, XML and HTML5, CSS3, Java Script, jQuery, AngularJS.

Frameworks: Struts2, LOG4J, Spring Core, Spring MVC, Hibernate, Junit, Spring Boot, Spring Security, Spring Cloud, Play/Akka.

Databases: Oracle 9i/10g/11g, MS Access, IBM DB2, MS SQL Server 2005/2008, My SQL, MongoDB, Cassandra.

IDE & Development Tools: Eclipse, RAD, J Builder, NetBeans, Rational Software Architect, SQL Plus, Toad, IntelliJ

Tools: GIT, Jenkins, Putty, JIRA, SVN, CVS

Web/App Servers: Apache Tomcat, WebSphere Application Server, BEA WebLogic, JBoss

Version Control Tools: CVS, VSS, Clear Case, Sub Version

Operating Systems: UNIX, Linux, MSDOS, Windows 9x/NT/2000/ 2003/XP/Vista/7/8/8.1/10, CentOS

Methodologies: SDLC, RUP, Agile/SCRUM, waterfall, spiral, Iterative, Design Patterns, SOA

PROFESSIONAL EXPERIENCE:

Confidential, Phoenix, AZ

Sr. Java Full Stack Developer

Responsibilities:

• Developed Web Services to communicate to other modules using XML based SOAP and WSDL protocols.
• Wrote spring configuration file to define beans, define data source and Hibernate properties.
• Developed one-many, many-one, one-one annotation based mappings in Hibernate.
• Implemented JPA to persist the data into Database and implemented CRUD operations on the data.
• Developed the presentation layer with responsive web design experience using Angular 2, JavaScript, CSS, HTML and JQuery.
• Designed Single page applications using AngularJS implemented all the front-end components using Spring MVC.
• Involved in working with J2EE Design patterns (Singleton, Factory, DAO, and Business Delegate) and Model View Controller Architecture with Angular JS for frontend.
• Developed JSP's with Custom Tag Libraries for control of the business processes in the middle-tier and was involved in their integration.
• GeneratingScalaand java classes from the respective APIs so that they can be incorporated in the overall application.
• Developed server-side scripts in shell to customize GIT and integrate it with tools like JIRA and Jenkins.
• Built Web pages that are more user-interactive using Angular JS, HTML, CSS, RESTful API Services, JavaScript, Git, and JSON.
• Developed high performance web application using play and akka framework.
• Developed Web Services to communicate to other modules using JSON based Restful.
• Created SQL queries, PL/SQL Stored Procedures, Functions for the Database layer by studying the required business objects and validating them with Stored Procedures using Oracle.
• Implemented Microservices architecture with Netflix Eureka using Spring Boot for making different application smaller and independent.
• Worked on front-end and back-end application development. Have upgrade additional functionalities and services with the use cases provided using AngularJS.
• UsedScalacollection framework to store and process the complex consumer information. Based on the offers setup for each client, the requests were post processed and given offers.
• Designed and implemented Restful Web service using Spring REST to integrate with various connectors.
• Implemented Spring ORM wiring with Hibernate provided access to Oracle RDBMS.
• Developed Authentication and Authorization to the Spring Boot web services using Spring Security.
• Designed and implemented a stream filtering system on top of Apache Kafka to reduce stream size.
• Used Maven to Build and Deploy Application on to Tomcat Server.
• Allied, configured and hosted the Oracle, Tomcat app servers and Cassandra DB servers on physical servers (Linux, Windows), and Amazon AWS virtual servers (Linux).
• Used cloud computing technologies Amazon EC2 and Amazon S3 web services for Cloud Drive, Cloud Search. Migrated corporate Linux servers from physical servers to AWS virtual servers.
• Participated in the design walkthroughs and meetings.
• Used Maven tool to build project and JUnit to develop unit test cases.
• Used Log4j framework to log the system execution details to log files.

Environment: Java, HTML, XML, XSLT, AngularJS, Tomcat Web Application, Scala, UNIX, GIT, BDD, Hibernate, Spring DAO, AWS, Apache Kafka, MySQL, Oracle, Eclipse, CSS, Servlets, SQL, PL/SQL, SOAP, JUnit, Maven, Log4j.

Confidential, Cincinnati, OH

Sr. Java Full Stack Developer

Responsibilities:

• Developed business components using Java Objects, Core Java, Multithreading and Collections.
• Development of Spring Bootiful application with Microservices.
• Implemented Microservices architecture to make application smaller and independent.
• Integrated with SpringCloudNetflix's components like Eureka (Service Discovery), Hystrix (Circuit Breaker), Ribbon (Client Side Load Balancing) and Zuul Proxy.
• Developed end to end application onspringbootframework (RestApi Application/SpringJPA using Crud repository).
• Used Maven build script for building and deploying the application and Designing new database tables for the enhancements.
• Created User defined exception classes using Java.
• Involved in creating & consumingRestfulweb services to expose to other applications.
• Strong experience in implementingServiceoriented architecture andWebServicesusing SOAP, RESTFUL API's.
• Developed RESTful Web Services to retrieve data from client side using Micro Services architecture.
• Developed a Message Driven Bean that uses JMS to manage backend transactions and approval for mortgage applications.
• Wrote spring configuration file to define beans, define data source and Hibernate properties.
• Implementation of Ehcache as a second level cache in the DAO layer for Hibernate.
• Extensively used Hibernate in data access layer to access and updates in the database.
• Understanding user change requirements and analysing the source systems and Developed UI pages using JSP & Spring MVC frame work.
• Developing backend services in Java andGroovy.
• Validations are done using Spring MVC validation framework and JavaScript.
• Designed, developed and implemented unit tests and product features.
• Maintained, structured, and surveyed documents within the NoSQL MongoDB database; ensuring data integrity, correcting anomalies, and increasing the overall maintainability of the database.
• Responsible for building/deploying consistently repeatable build/deployments to company non-production environments usingJENKINS& BUILD Pipelines.
• Worked on AngularJS frame work to augment browser based applications with MVC Capability, built dynamically generated dropdown lists using Ajax, JQuery and AngularJS.
• Implemented REST web services using Jersey with the enabled OAUTH.
• Migrated existing business applications to Amazon cloud services (AWS) based environment and also deploy applications using Amazon web services.
• Installed, configured and hosted the Tomcat app servers and MySQL database servers on physical servers (Linux, Windows), and Amazon AWS virtual servers (Linux).
• Worked in setting up Linux Environment on AWS cloud infrastructure, migrated corporate Linux servers from physical servers to AWS virtual servers.
• UsedDockerto containerize the Services and APIs to run on AWS EC2 instances.
• Responsible for provisioningKubernetesenvironment and deploying the dockerized applications by developing manifests.
• Writing Java classes, reusable components and Java Beans for getting data from oracle tables.
• Performing the Unit testing and basic functional testing with different set of data.
• Developed JUnit test cases for Unit Testing and functional testing for various modules and prepared Code Documentation for future and upgrades.
• Developed the java code using Eclipse as IDE.
• Participated in a Scrum team and Agile Practices like Test-Driven Development (TDD).

Environment: Java SE, JDK 1.7 and 1.8, Hibernate 3.0, Spring, AWS, Groovy, Tiles, JSP, HTML, CSS, Angular, JQuery, XML, XSLT, SQL Server, Maven, Apache Tomcat 8, Sonar, Eclipse 6.0, SVN, Windows XP, Jenkins, Spring Boot, JUnit, MongoDB, Docker.

Confidential, O’Fallon, MO

Sr. Java/ J2EE Developer

Responsibilities:

• Excellent analytical skills, written and oral communication, and experience collaborating with multiple development teams.
• Developed and consumed Rest Services using HTTP methods such as GET, POST, PUT, and Delete for user and account Microservices.
• ImplementedSpring Boot Microservices to divide the application into various sub modules.
• Involved in designing, developing and testing of J2EE components like Java Beans, Java, XML, Collection Framework, JSP, spring and Hibernate.
• Implemented Backend functionality using Spring Boot, Spring Cloud, Spring IOC, Spring MVC, and Spring Core.
• Used Spring MVC framework to enable the interactions between JSP/View layer and implemented different design patterns with J2EE and XML technology.
• Worked using MVC pattern, to write service layer.
• Worked on SpringCloudConfig, Pivotalcloudfoundryand AWS SQS to deploy Spring MVC application tocloud.
• Used Hibernate as the ORM tool to communicate with the database and integrated with String using Spring ORM, to design domain model classes.
• Designed the Hibernate objects and used the Hibernate APIs to persist data.
• Implemented DAO layer using different hibernate techniques like strategies, Inheritance, annotations and criteria interfaces.
• Used SOA Integration service for Data Integration Service and Functional Integration Service.
• Created multiple Restful web services using jersey2 framework.
• Used POSTMAN for testing the web services, both in-house and external.
• Migrated existing EJB web services to Restful services.
• Used REST based web services for all major remote services.
• Designing new components to fit in the already existing architecture using core Java, multi-threading different design patterns like the factory method, Abstract factory pattern, Singleton. While developing web-based applications used Web Services, both SOAP/WSDL and REST.
• Implemented PL/SQL queries and used Oracle stored procedures, and built-in functions to retrieve and update data from the databases.
• Deployed application on Tomcat server using build tool Maven.
• Installed, configured and hosted the Oracle, Tomcat app servers and Cassandra DB servers on physical servers (Linux, Windows), and Amazon AWS virtual servers (Linux).
• Used cloud computing technologies Amazon EC2 and Amazon S3 web services for Cloud Drive, Cloud Search. Migrated corporate Linux servers from physical servers to AWS virtual servers.
• Used Cassandra AWR & ADDM to monitor database activities and performance tuning. Extensive Performance Tuning, Memory (SGA) Tuning, Configuration, maintenance and tuning of Cassandra DB.
• Experience in Test Driven Development (TDD) using Spring Test, JUnit andMockito.
• Developed server-side scripts in shell to customizeGIT and integrate it with tools like JIRA and Jenkins.
• Worked on CI (Continues Integrations) and CD (Continues Deployment) methodologies usingJenkins.
• Developed unit and integration tests for existing Microservices using JUnit and Mockito.

Environment: Java, HTML, UML, XML, AngularJS, Servlets, JSP, EJB, JDBC, JNDI, JAXP, SQL, PL/SQL, Oracle 10g, Eclipse, Tomcat, WebSphere, JUnit, Spring MVC, Spring Cloud, Spring Boot, Hibernate, Pivotalcloudfoundry, Cassandra, AWS.

Confidential, Middletown, NJ

Java/ J2EE Developer

Responsibilities:

• To understand requirements, analyze and translate them into technical specification.
• Designed and developed SOAP & RESTFUL web services.
• Implemented Agile Methodology, Scrum, and Iterative Process through phases of requirement, design, documentation, and implementation and testing.
• Efficiently used JSF, Rich faces, Spring IOC and Hibernate, Spring AOP to define Advices for modularizing cross-cutting concerns such as Transaction Management, Logging, and Security.
• Used Spring Core by implementing IOC (Dependency Injection) to inject dependencies in order to achieve loose coupling
• Implemented web service (SOAP & RESTFUL) by using JAX-RS / AXIS annotation.
• Good working experience on production server tools like thread dump analyzer and GC analyzer.
• Good working experience on UNIX / Linux environment.
• Developed Java classes confirming J2EE design patterns, JNDI, packaged with J2EE specifications
• Used JDK 1.5 / J2SE 5.0 several extensions like Generics, Auto boxing, Annotations, Static imports.
• Used multithreading to facilitates manipulating threads in a portable manner across platforms.

Environment: JDK 1.6, J2EE, JSF, Rich faces, Spring (Core, AOP), Hibernate, WSDL, SOAP, JAX-RPC, JAX-WS and Axis, JBOSS, Tomcat, Maven, Oracle10g, PL/Sql, Junit, TOAD.

Confidential, Miami, FL

Software Developer

Responsibilities:

• Responsible and active in the analysis, design, implementation and deployment of full Software Development Lifecycle (SDLC) of the project.
• Designed and developed standalone application interface using Swings, Core Java, MIB, and SNMP.
• Involved in developing and optimizing the software components Discovery, Trap Handling, Event handling, SNMP Library for our NMS server and client.
• Used JUNG 3rd party API to create ring, star, tree and mesh topologies.
• Dealt with Advent net SNMP for Mediation layer. (Experimented SNMP4J and SNMP6 west hawk).
• Implementation of service provisioning (P2P and P2M) through NMS.
• Performed usability testing for the application using JUnit Test.
• Created SQL and used JDBC connectivity to access the database.
• Involved in the design and coding of the data capture templates, presentation and component templates.

Environment: Windows, UNIX, Java/J2EE, Swings, JDBC, Multithreading, Spring CORE, Hibernate 3.5.6, Oracle11g, Log4j, Maven, JUnit 3.8, SVN, Eclipse, SVN, Git, Jira.