SUMMARY:

• IT professional with 7+ years of experience in developing web based, SOA based and client/server applications in multiplatform environments with Java/J2EE technologies, Involved in all the phases of Life Cycle of Software Development (SDLC).
• Extensive experience and actively involved in Requirement gathering, Analysis, Design, Reviews, Coding, Code Reviews, Unit and Integration Testing.
• Implemented the service projects on Agile Methodology and involved in running the scrum meetings.
• Extensively involved in Test Driven Development.
• Has enough knowledge in using JAVA 8 features like Lambda Expressions, Streams, Method References, Repeating Annotations and Method Reflections.
• Experience with amazon web services (AWS) and amazon cloud technologies such as Amazon EC2 (virtual servers), Amazon Cloud Watch (monitoring).
• Deploy application updates to AWS and monitored the load balancing of different instances.
• Knowledge of application development for Cloud platforms using technologies like Java/J2EE, Spring Boot, Spring Cloud, Micro Services.
• Experience in Micro Services and Spring Boot application development.
• Expertise in client scripting language and server scripting languages like HTML, CSS, JavaScript, JQuery, AngularJS, JSP, NodeJS, BackboneJS.
• Hands on experience in working with Collections, Exception Handling and Multithreading.
• Analysis, Design and Development of J2EE Business applications, Web - based and n-tier applications using the following core technologies - Java, Servlets, JSP, JSTL, and XML.
• Extensively worked with enterprise and persistence Design Patterns like Singleton, Factory, Business Delegate, DAO, MVC, Front Controller, Visitor, observer, Service Locator, Session Façade.
• Experience in Spring Framework such as Struts, Spring IOC, Spring Resources, Spring JDBC, Spring MVC, Spring Security, spring Boot, JSF, Spring Batch, Junit, Hibernate, Jasper reports.
• Good Experience using Object Relational Mapping (ORM) tool like Hibernate and JPA.
• Experience in writing the SQL queries in Oracle, MYSQL, DB2 and SQL Server.
• Experience in development, deployment and troubleshooting Web based and enterprise-based applications on Windows, UNIX and Linux platforms.
• Experience in deployment process by writing shell scripting and also expertise using WinSCP and secure FTP for sharing the files between Linux boxes and windows.
• Experience in developing web-services using REST, SOAP, WSDL and Apache AXIS2, UDDI, WSDL, JAX- RPC, JAX-RS JAX-WS, JAX-B.
• Experience in designing transaction processing systems deployed on various application servers including Tomcat, Web Sphere, Web logic, JBoss.
• Good Experience on Quality Control, JIRA, Tracking the tickets like accepting the tickets/defects, Reviewing Code and closing the tickets etc.
• Used CVS, Git and SVN for Source code version control.
• Experience with various IDEs like Eclipse, IntelliJ, Spring Tool Suite.
• Excellent Experience in Code Refactoring.
• Excellent Client interaction skills and proven experience in working independently as well as in a team.
• Excellent communication, analytical, interpersonal and presentation skills.
• Expertise in implementing client-server business applications using Micro services.
• Actively involved in the DevOps streamlining process through Jenkins CI and CD Release Automation.
• Decent experience in building tools like ANT, Maven, Gradle.
• Good knowledge on React JS.
• Hands on experience in creating Docker images to solve containerization issues.
• Involved in issue tracking and agile project management using JIRA and Rally.
• Excellent analytical and critical thinking, creative problem solving, quick learning, interpersonal and client interfacing skills.

TECHNICAL SKILLS:

LANGUAGES: Java (1.5-1.8), SQL, PL/SQL, C.

Enterprise Java: JSP, Servlet, JNDI, JMS, EJB, JDBC, Log4J API, JAVA Security, JSF.

Markup/XML Technologies: HTML5, CSS3, JavaScript, JQuery, AJAX, Bootstrap, XML, XSD, XSL/XSLT, SAX/DOM, JSON.

Frameworks: Struts, Hibernate, Spring MVC, Spring Web Flow, Spring Core, Spring AOP, Spring Security, spring boot, Spring Batch, Spring Cloud, AngularJS, NodeJS.

Application Building Tool: Maven, Ant.

SOAP, RESTful, UDDI, WSDL, JAX: RPC, JAX-RS, JAX-WS, JAXB, Axis2, CFX.

Web/App Servers: IBM Web Sphere, Apache Tomcat, JBoss, Web Logic Server.

Database: Oracle, MySQL, SQL Server, DB2, MongoDB.

IDEs: Eclipse, Spring Tool Suite, IntelliJ, WebStorm.

OR mapping: Hibernate, JPA.

Modeling/ CASE Tools: Rational Rose, Star UML, MS Visio.

Testing Tools/ Others: JUnit, Putty, Rational Clear Quest, SoapUI.

Version Control: SVN, CVS, Rational Clear case, Git, Jenkins and Stash

OS & Environment: Windows, UNIX, Linux

Cloud Technologies: AWS (EC2, S3, IAM, RDS, SQS) and Pivotal Cloud Foundry

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Sr. Full Stack Developer

Responsibilities:

• Involved in various phases of Software Development Life Cycle (SDLC) such as requirements gathering, modeling, analysis, design, development and testing.
• Developed front-end content using HTML5, CSS3, JSP, jQuery, Bootstrap and NodeJS.
• Developed Single page application and structured the JavaScript code using AngularJS.
• Expertise in designing, developing, testing & deploying J2EE Applications using Servlets , JSPs , EJBs , Web Services.
• Maintained Interface compatibility and concurrency in the project using Java 1.8 new features like Lambda expressions, default, static methods and Concurrency API.
• Developed the business layer components as Stateless Session Beans based on EJB API.
• Developed Angular 2.0 custom directives and used Routes and Factory validations in Angular.
• Designed, built, and deployed a multitude application utilizing almost all of AWS stack (Including EC2, S3, Dynamo DB, SQS and EMR ), focusing on high-availability, fault tolerance, and auto-scaling.
• Integrated Open stack API with Amazon EC2 cloud-based architecture in AWS . Having experience with Cloud Computing environment and Utilized Amazon Web Services ( AWS ) EC2 to deploy Docker containers.
• Developed RESTful Web services for transmission of data in JSON format.
• Developed the application with various Spring Framework modules like Spring IOC, Spring AOP, Spring Boot, Spring Security, and Spring Batch.
• Used Spring MVC framework at the Web tier level to isolate each layer of the application so that complexity of integration will be reduced, and maintenance will be very easy.
• Used Spring AOP for solving crosscutting concerns like keeping customer log data and transactions details.
• Developed the persistence layer using Hibernate Framework by configuring the various mappings in Hibernate files and created DAO layer.
• Designed and integrated the full-scale Hibernate persistence solution with the application architecture.
• Involved in design and development of the Hibernate Domain Model for the service.
• Worked on RESTful Web services as well as Node Rest framework for backend services used Mongo DB (NoSQL) for database services and RESTful web services using Jersey for JAX-RS implementation.
• Demonstrate exposure with Continuous Integration, Continuous Deployment to DevOps CI/CD tool Methodologies.
• Designed and developed Middle-tier components for company's object framework using best practices and design Patterns and used in Model-View-Controller (MVC).
• Secured the API's by implementing Oauth2 token-based authentication/authorization scheme using Spring Security.
• Create and configured the continuous delivery pipelines for deploying Micro Services by using Jenkins.
• Installed, monitored and maintained the development infrastructure including JIRA.
• Worked on Log4J to validate functionalities and Mockito framework JUnit for Unit testing and executed TDD framework.
• Used Git to maintain the version of the files and took the responsibility to do the code merges and creating new branch when new feature implementation starts.
• Used Maven as build automation tool for deploying the project on WebSphere Application Server.

Environment: Agile Methodology, Java 1.8, J2EE, HTML5, CSS3, jQuery, Ajax, Rest API, Bootstrap, JavaScript, AngularJS, JSP, NodeJS, Hibernate, Spring Framework, Spring MVC, Spring IOC, Spring boot, spring security, OAuth, JAX-RS, GIT, JUnit, Maven, Restful, Amazon Web Services (AWS), EJB’s, Micro Services, Mongo DB, WebSphere, JIRA, Jenkins, Spring Tool Suite, Devops (CICD).

Confidential, Phoenix, AZ

Full Stack Developer

Responsibilities:

• Involved in analysis, specification, design, and implementation and testing phases of Software Development Life Cycle (SDLC) and used agile methodology (SCRUM) for developing application.
• Developed and designed web pages using with HTML5, CSS3, JavaScript based on the w3 standards.
• Used AngularJS to create Single Page Applications (SPA) which can bind data to specific views and synchronize data with server.
• Used JavaScript, Angular JS and AJAX technologies for front end user input validations and Restful web service calls.
• Used Apache POI for uploading Excel files and optimized the load time by extensively leveraging Java8 lambda expressions, streams and parallel streams.
• Utilized JAVA 1.8 features like Lambda expressions for collection, evaluation and comparing the data, Stream API for Bulk data operations on Collections which would increase the performance of the Application, Parallel operations on collections for effective sorting mechanisms and to change the sequential stream flow of threads while session establishment.
• Worked on designing specific programs efficiently through knowledge of multithreading using the API with the goal of increasing performance on a wide variety of applications.
• Extensively used Spring MVC for forms, error handling, writing REST controllers and integrating with Spring Security and Spring ORM for persistence.
• Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBC Template to perform the database operations by connecting to Data sources available.
• Designed and developed micro services business components using Spring Boot.
• 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.
• Used the Spring IOC feature to get Hibernate session factory and resolve other bean dependencies also used Spring framework AOP features and JDBC module to persist the data to the database for this application.
• Used Hibernate framework for back end development and Spring dependency injection for middle layer development.
• Worked to secure our RESTful web services using OAuth 2.0 with spring security to authenticate any third-party requests coming in.
• Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle using Toad tool.
• Built NoSQL schemas to store document and maintaining sessions in MongoDB.
• Worked on MongoDB database concepts such as locking, transactions, indexes, Sharding, replication, schema design, etc.
• Developed Spring Batch based ETL jobs to migrate data to MongoDB to enable location services during product placement.
• Implemented RESTful Webservices using Jersey for JAX-RS Implementation.
• Performed Web services testing between and third-party applications using Soap UI and performance functional testing of REST APIs using JMeter.
• Implemented Web-Services to integrate between different applications components using Restful using Hateoas.
• Used Docker for creating Docker images for launching containers on AWS EC2.
• Authored application using Spring Cloud services (spring cloud version of Netflix OSS-Eureka).
• Implemented Netflix-Eureka from Spring Cloud for dynamic Microservices registry and discovery.
• Used AWS SDK for connection to Amazon S3 buckets and EC2 to deploy Docker container with Micro Services architecture.
• Worked with WebLogic application server that handles various requests from Client.
• Setup the continuous Integration (CI) process for the application using the Jenkins.
• Worked on Log4J to validate functionalities and JUnit for unit testing.
• Involved in issue tracking and agile project management using JIRA.
• Used Gradle in each project to automate the builds and managing project. Successfully implemented production support team working out of offshore location.
• Used Git to maintain the version of the files and took the responsibility to do the code merges and creating new branch and fork when new feature implementation starts.
• Focused on Test Driven Development thereby creating detailed JUnit tests for every single piece of functionality before actually writing the functionality.

Environment: Agile, Scrum, Java 1.8, HTML, CSS, JavaScript, AngularJS, Microservices, Spring boot, Spring Cloud, Netflix OSS Stack- (Eureka), AWS (Amazon web services) including EC2, S3, AWS API-Gateway, spring MVC, Spring JDBC, Spring ORM, OAuth 2.0, RESTful, AWS Elastic Map Reduce, Apache Kafka, Web Logic, Soap UI JMeter, Gradle, Git, STS.

Confidential, Broomfield, CO

Java/J2EE Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Involved in the development of the User Interfaces using HTML, JSP, JS, CSS and AJAX.
• Developed user interface using JSP, JSP Tag libraries, third party libraries and Java Script to simplify the complexities of the application.
• Used AJAX API for intensive user operations and client-side validations.
• Developed the application using Spring MVC Framework.
• Inserted Dependency Injection between components using Spring(IOC) concept.
• Involved in writing Spring Configuration XML file that contains declarations and other dependent objects declaration.
• Implemented Asynchronous messaging between components using JMS.
• Designed and developed Hibernate DAO’s using spring framework’s Hibernate Dao Support and Hibernate Template.
• Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Wrote Stored Procedures and complicated queries for IBM DB2.
• Involves in the design and development of Restful Webservices using Apache CXF.
• Worked on UNIX environment for development.
• Unix Shell Scripting was used for scheduling batch jobs. The system was used to run batch processes and reports that utilized PL/SQL and Oracle reports.
• Developed back-end PL/SQL packages, building UNIX shell scripts for data migration & batch processing.
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Wrote client-side validations for DOJO and XML files which checks for the valid values for the different events that are being logged.
• Working with Pivotal cloud foundry to deploy and run the applications through Jenkins.
• Designing and developed a data migration strategy and source to target mapping to migrate the data out of the legacy systems into the Cassandra Customer DB.
• Worked with RabbitMQ and AMQP Java APIs for Queues to build the application as SOA platform. Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on IBM WebSphere Application Server.
• Developed Ant Scripts for the build process and deployed in IBM WebSphere.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Implemented Log4J for Logging Errors, debugging and tracking using logger’s components.
• Used Rational Clear Case for version control and Clear Quest for bug tracking.

Environment: Java, J2EE, XMI, HTML, CSS, JQuery, JavaScript, Ajax, AngularJS, JSP, Hibernate, HQL, SQL, PL/SQL, Spring, Spring MVC, Oracle, Restful, JAX-RS, XMI, Log4j, SOA, Cassandra, RabbitMQ, Subversion(SVN), WebSphere, STS, Application Server, Maven, IntelliJ, ANT, UML, JNDI, Pivotal cloud foundry, RMI, JIRA, UNIX.

Confidential, Chicago, IL

Java/J2EE Programmer

Responsibilities:

• Used Agile methodology and actively participated in Scrum meetings to produce quality deliverables within time.
• Developed the presentation layer using HTML, CSS, Java Script, JQuery, JSPs and XML.
• Designed and implemented application using Spring IOC, Spring MVC, Spring Annotations, Spring AOP, Spring Transactions, Hibernate, JDBC, SQL, MAVEN, Oracle.
• Extensively used Spring IOC, configured Application Context files and performed database object mapping using Hibernate annotations.
• Apache Lucene (Search Engine) Configuration and Business Objects XI Reporting with Site Minder Integration.
• System built using Model-View-Controller (MVC) architecture. Implemented the application using the concrete principles laid down by several design patterns such as Composite View, Bean Factory, Singleton, Data Access Object and data transfer object.
• Implemented different types of spring controllers as per application requirements.
• Used Spring Aspects for implementing functionalities like logging functionality.
• Configured JPA to use Hibernate as ORM tool.
• Deployed project on web application server in Linux environment.
• Spring Validators, persistence layer, DAO and service layer components using Spring/Hibernate API and Spring/Hibernate annotations. Extensively used Hibernate Query Language.
• Wrote Database objects like Triggers, Stored procedures in SQL.
• Responsible for Production support activities like Jobs monitoring, log the load statistics, analysis and resolve in case of any production issues, coordinate with business to fix any source file issues, coordinate with DBA to resolve any table space or file system related issues.
• Developed Web services to allow communication between applications through SOAP over HTTP.
• Used JBoss Application server to deliver a new class of enterprise applications that enhance business interactions and transactions between a company and its key constituencies.
• Interacted with the users and documented the System.

Environment: Java, J2EE, JSP, HTML, CSS, JavaScript, JQuery, XML, JSP, Servlets, Rational Rose, JBoss, REST Web services, Hibernate, JPA, JDBC, Spring Framework, SVN, SQL Server, PL/SQL, Agile, MAVEN, Eclipse, and Linux.

Confidential

Java Developer

Responsibilities:

• Developed the application using Struts Framework that leverages classical Model View Controller (MVC) architecture.
• 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
• Involved in Documentation and Use case design using UML modeling include development of Class diagrams, Sequence diagrams, and Use case Transaction diagrams.
• Participated in design and code reviews
• Developed User Interface using AJAX in JSP and also performed client-side validation
• Developed JUnit test cases for all the developed modules. Used SVN as version control

Environment: Java, J2EE, JSP, Struts, JNDI, DB2, HTML, XML, DOM, SAX, ANT, AJAX, Rational Rose, Eclipse, SOAP, Apache Tomcat, Oracle, LOG4J, SVN.

Confidential

Jr. Java Developer

Responsibilities:

• Achieved synchronization of multiple threads through Multithreading and Exception Handling.
• Developed Screen Design using HTML, IFrames, and CSS.
• Developed the front-end using Servlets, HTML, and JavaScript.
• Written Client side / Server-side validations and Java script Implementation for MDI windows/Customer Window.
• Developed DAO Implementation classes using JDBC.
• Called Stored Produces in Oracle using Callable Statements in JDBC.
• Responsible for Developing Struts Action classes for Business Implementations.
• Developed screens using JSP and Struts Tag Libraries for Screen Design using JSP.
• Experience in writing ANT, Maven build scripts and configuring and writing JUnit test cases.
• Server-side and Client-side validations handled using Struts Validator Framework.
• Written SQL queries for Performing CRUD Operations.
• Involved in configuring Websphere profiles and deploying application build to Websphere.
• Service Configurations using JNDI.
• Customizing Applets using IBM Host on Demand.

Environment: Core Java, JDBC, Servlets, JSP, Struts, Tiles, Html, CSS, Java Script, JUnit, PLSQL, WebSphere, JNDI, Eclipse.