SUMMARY

• Proficient and creative Sr. Java Developer with 8 years’ experience in analysis, design, development, implementation and testing of Web - based, Windows and N-tier architectures.
• 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).
• 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 References, etc.
• 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 andPlayframework.
• Extensive experience in Web application development using - HTML, DHTML, CSS, XML, JavaScript, Ajax, spring, Hibernate, Struts, J2EE, RabbitMQ (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.
• JIRA development with JAVA and Groovy scripting and written groovy test cases
• Experience with message queues such as RabbitMQ, Kafka
• 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 Microservice 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 usingJenkins.
• Experience in Design and Development of Web Services usingRESTfulAPIsand 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 (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-DrivenDevelopment ATDD developmentpractices.
• Experience in Agiledevelopmentmethodologies like TDD and BDD.
• Integrated logging frameworks such as Log4J and commons for logging and debugging the application.
• Exceptional communication skills handling direct interactions with clients, excellent adaptability, proactive, team player, self-motivated, can work independently, and leadership attitude.
• Proven ability to work Individual Contributor, efficiently and as a part of a team with an ability to deliver within short deadlines.

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

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

PROFESSIONAL EXPERIENCE

Confidential, Jessup, PA

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 JS, 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, 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, HTML5,CSS3, XML, XSLT, AngularJS, Tomcat Web Application, Scala, UNIX, GIT, BDD, Hibernate, Spring 4.0 DAO, AWS, Apache Kafka,MySQL, Oracle, Eclipse, CSS, Servlets, SQL, PL/SQL, SOAP, JUnit, Maven, Log4j,groovy.

Confidential, SanAntonio, TX

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 reference 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.