SUMMARY

• Having 8+ 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.
• Good working knowledge with Java 1.8and implemented its features like Lambdas Expressions, Time API, Streams, functional interfaces, Collectors, default methods, type interfaces, foreach.
• 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
• 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.
• 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.
• 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.
• 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).
• Used Apache Kafka for integration and Data Processing with spring and for Multi-Threaded Message Consumption and worked on Zookeeper to maintain services.
• Experienced in building Web Services for Service Oriented Architecture (SOA).
• Good Understanding in databases such as Oracle, MySQL, SQL Server, IBM DB2 and MongoDB databases to manage tables, views, indexes, sequences, stored procedures, functions, triggers and packages
• Experience in JMS over messaging to exchange the information more reliabily and asynchronously for enterprise applications using Active MQ, Rabbit MQ and kafka as message queue.
• 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, Flink.
• Experience on Flink and Apache Kafka.
• 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

Databases: Oracle, SQL-Server, MySQL server, MS SQL, IBM DB2, MongoDB, NoSQL.Windows, Mac, Linux and Unix.

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, 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

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

Build Tools: ANT, Maven, Gradle, 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 Methodologies: Agile, Waterfall, Test Driven Development

PROFESSIONAL EXPERIENCE

Confidential, Chicago, IL

Java Full Stack Developer

Responsibilities:

• Involved in design discussions and understanding of business requirements and identify the relevant functional and technical requirements.
• Application is implemented using Agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
• Developed Single page application and structured the JavaScript code using Angular 8.
• Implemented the front end using HTML5, CSS3, Bootstrap, NodeJS and Angular 8.
• Used JAVA 1.8 features like Lambda Expressions, Parallel Streams and functional interfaces.
• Developed RESTful Web Services with JAX-RS using Spring Boot and Micro Services Architecture.
• Experienced on spring framework applications like Spring Core, Spring AOP, Spring MVC, Spring Batch, Spring Security and Spring Boot and did integration to Microservicesinto existing system architecture.
• Implemented the authentication and authorization of the application using Spring Security and OAuth 2.0.
• Implemented Micro Services Architecture to divide the application into various sub modules.
• Involved in migrating monolithic application in Micro Service Architecture and developed Micro services using OpenShift platform build upon Spring Boot Services.
• Worked with Spring Ribbon and Kafka broker service with Zookeeper to handle heavy traffic.
• Developed integration modules for disparate clients usingApache Camel.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Used Spring JMS module for lookup for the queues and MDBs for the listeners.
• Used JasperReports as reporting tool to generate various reports in different formats like PDF, XLS, CSV, HTML.
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for SQL.
• Worked on Hibernate for mapping thejavaobjects to relational database and SQL queries to fetch the data, insert and update the data from the database.
• Writing Stored Procedures and JDBC prepared statements to retrieve the data from database.
• Experience in Test Driven Development (TDD) by identifying test case scenarios and unit testing the code using JUnit framework.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications.
• Used Log Insightto monitor applicationlogs, messages, network traces, configuration files and performance data in real time.
• Worked on Active MQ to communicate with controller and used service layer to implement the business logic.
• Worked on Log4j for logging errors, messages and performance logs.
• Used GitHub as Version Control tool, JIRA for issue tracking (production issues at time) and Eclipse, IntelliJ, VS code as IDE.
• Doing the POC for deploying the Services onto the OpenShift PODS and test end-to-end application.
• Deployed and tested the application on Web Logic Application Server.
• Support and maintain the CICD process & scripts to build and host angular SPA and Spring Boot applications using Attlassian tech stack (Git, Jenkins), Nexus, SonarQube and OpenShift Ecosystem - Plans, jobs, tasks etc.,

Environment: Agile Methodology, Java 1.8, J2EE, HTML5, CSS3, Ajax, Bootstrap, JavaScript, Angular 8, NodeJS, Hibernate, Spring MVC, Spring IOC, Spring boot, spring security, OAuth, XML, GIT, JSP, JUnit, Maven, WebLogic Application server,OpenShift, JAX-WS, Restful, Micro Services, Log4J, SQL, DB2,Docker,JIRA and Eclipse, IntelliJ, Log Insight, Jenkins.

Confidential

Full Stack Java Developer

Responsibilities:

• Worked on High level and low level system design, planning, estimation and implementation
• Developed presentation layer using HTML5, CSS3 and client validation using JavaScript.
• Developed Single page application and structured the JavaScript code using AngularJS.
• Design and develop template based User Interface using Bootstrap and Angular JS.
• Experience with NodeJS modules including Events, http, file system, MySQL. Wrote restful services on the server in NodeJS to listen to requests from devices.
• 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.
• Excellent in deploying the applications in AWS as EC2 instances and create snapshots for the data that must be stored in AWS S3.
• Utilized Amazon Web Services (AWS) EC2 to deployDocker containers.
• Created and configured the continuous delivery pipelines for deploying Micro Services and Lambda functions using Jenkins CI server.
• Utilized Docker for the runtime environment of the CI/CD system to build, test and deploy the application.
• Worked on development and implementation of the MVC Architectural pattern using Spring Framework.
• Developed the application with various Spring Framework modules like Spring IOC, Spring AOP, Spring Boot, Spring Security, 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 etc.
• Implemented Batch jobs to deal with large number of chunks usingSpring Batch Frameworkto execute the similar jobs simultaneously.
• 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.
• Involved in using JPA(Java Persistence API) frameworks and APIs as JDO and Hibernate.
• Enterprises Integrated Pattern Implemented with Apache Camel(ESB).
• Developed a RESTfulbased service for data retrieval to make it independent of the current application.
• Involved in development of RESTFul web services with JAX-RS using Spring Boot and Micro Services Architecture.
• Proficient in Application Development/Maintenance using Legacy RPI languages.
• Involved in migrating monolithic application in Micro Service Architecture and Developed Micro services using Pivotal Cloud Foundry platform build upon Spring Boot Services.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Wrote services to store and retrieve user data from MongoDB for the application on devices.
• Websphere is used as an Application Server to Deploy the Application.
• Experience in using JUnit and build tools such as MAVEN.
• Collaborated with testers and developers and prepared test plans for producing high quality software applications.
• Used Log4j for logging errors, messages and performance logs.

Environment: Agile Methodology, Java 1.8, J2EE, HTML5, CSS3, Ajax, Bootstrap, JavaScript, AngularJS, NodeJS, Hibernate, Spring MVC, Spring IOC, Spring boot, spring security, OAuth, XML,AWS, GIT, JSP, JUnit, Maven, IBM WebSphere, Apache AXIS, JAX-WS, Restful, Micro Services, Log4J, Oracle, Mongo DB, WSD, Docker,JIRA and Spring Tool Suite.

Confidential

Sr. Full Stack Developer

Responsibilities:

• Involved in Requirement Analysis, Design, Development and Testing of the risk workflow system.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC) that includes Development, Testing, Implementation and Maintenance Support in WATER FALL methodology.
• Created user-friendly GUI interface and Web pages using Struts, JSP, HTML, CSS, AJAX, JQuery and JavaScript.
• Responsible for designing, coding and developed the application in J2EE using Struts MVC.
• Implemented Struts framework (Action & Controller classes) for dispatching request to appropriate classes.
• Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
• Achieved synchronization of multiple threads through Multithreading and Exception Handling.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Developed Struts Action Forms, Action classes and performed action mapping using Struts.
• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions.
• Involved in developing Web Services to send XML request and reading the response SOAP UI from Java platform.
• Used various CoreJava concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Established Database Connectivity using JDBC for Oracle.
• Used Log4J for application logging and notification tracing mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components.
• Analysis and Bug fixing of the production problems and defects along with enhancements.
• Implemented JUNIT test cases for unit testing and Suites for end to end testing.
• Used JIRA for tracking the Project Stories and bug fixing.
• Used SVN to check-in and check-out and co-ordinate among team members for Version Controlling.

Environment: Java, HTML, CSS, AJAX, JQuery, JavaScript, JSON, XML, Struts, JDBC, IBATIS, Web Services, SOAP UI, Restful, HQL, SQL, JBOSS, Oracle, ANT, Eclipse IDE, JIRA, Tortoise SVN, and UNIX.

Confidential

Java/J2EE Developer

Responsibilities:

• Involved in Requirement Analysis, Design, Development and Testing of the risk workflow system.
• Involved in the implementation of design using vital phases of the Software development life cycle (SDLC) that includes Development, Testing, Implementation and Maintenance Support in WATER FALL methodology.
• Created user-friendly GUI interface and Web pages using Struts, JSP, HTML, CSS, AJAX, JQuery and JavaScript.
• Responsible for designing, coding and developed the application in J2EE using Struts MVC.
• Implemented Struts framework (Action & Controller classes) for dispatching request to appropriate classes.
• Used simple Struts Validation for validation of user input as per the business logic and initial data loading.
• Achieved synchronization of multiple threads through Multithreading and Exception Handling.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Developed Struts Action Forms, Action classes and performed action mapping using Struts.
• Developed batch job using EJB scheduling and leveraged container managed transactions for highly transactions.
• Involved in developing Web Services to send XML request and reading the response SOAP UI from Java platform.
• Used various CoreJava concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Established Database Connectivity using JDBC for Oracle.
• Used Log4J for application logging and notification tracing mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components.
• Analysis and Bug fixing of the production problems and defects along with enhancements.
• Implemented JUNIT test cases for unit testing and Suites for end to end testing.
• Used JIRA for tracking the Project Stories and bug fixing.
• Used SVN to check-in and check-out and co-ordinate among team members for Version Controlling.

Environment: Java, HTML, CSS, AJAX, JQuery, JavaScript, JSON, XML, Struts, JDBC, IBATIS, Web Services, SOAP UI, Restful, HQL, SQL, JBOSS, Oracle, ANT, Eclipse IDE, JIRA, Tortoise SVN, and UNIX.

Confidential

Software Developer

Responsibilities:

• Developed the application based on MVC architecture.
• Developed web application using JSP, Servlets, Java beans that uses MVC design pattern.
• Created user-friendly GUI interface and Web pages using HTML, CSS and JSP.
• Wrote JavaScript for client side validation.
• Used Java Swings in designing user interfaces.
• Used Java Fundamentals and OOPS concepts like inheritance, polymorphism, abstraction to develop the code.
• Implemented core java concepts like Multithreading, Exception Handling and Collection wherever necessary.
• Used Eclipse as IDE tool for creating Servlets, JSP, and XML.
• Wrote SQL for JDBC prepared statements to retrieve the data from database.
• Monitored the logs using Log4J and fixed the problem.
• The Application was deployed on Apache Tomcat Server.
• Involved in build and deploying the application using ANT.
• Used Configuration Management Tools for version control which is built on CVS.
• Worked on bug fixing and Production Support.

Environment: Java, HTML, CSS, JavaScript, JSP, Servlets, JDBC, MVC Design pattern, PL/SQL, Log4J, Apache Tomcat server, My SQL, Eclipse IDE, CVS, ANT, Log4J.