SUMMARY:

• Over 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).
• 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 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.

TECHNICAL SKILLS:

Platforms: 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: 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.

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

Methodologies: Agile, Waterfall, Test Driven Development

PROFESSIONAL EXPERIENCE:

Confidential, Minneapolis, MN

Sr. Full Stack 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.
• Worked on Java 1.8 features such as Lambda Expressions for making anonymous inline function calls by using Functional Interfaces which makes code readable and concise.
• 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.
• 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 using JAX-RS in a Spring based project.
• Proficient in Application Development/Maintenance using Legacy RPI languages.
• 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, GIT, JSP, JUnit, Maven, IBM WebSphere, Apache AXIS, JAX-WS, Restful, Micro Services, Log4J, Oracle, Mongo DB, WSD, JIRA and Spring Tool Suite.

Confidential, Bellevue, WA

Sr. Full Stack Developer

Responsibilities:

• Involved in all phases of Software Development Life Cycle process using Agile Methodology.
• Developed presentation layer using HTML5, CSS3, Bootstrap and Angular JS.
• Designed and developed template based User Interface using Bootstrap and Angular JS.
• Extensively used Spring Framework modules like DI(IOC), Auto Wiring, JDBC Templates, Spring Security, Spring AOP.
• Developed spring boot application using microservices architecture with Spring Eureka to maintain small and lightweight services and communication between these services are done by using API routes for the entire cluster.
• Used Spring Batch to meet the requirements of reliability, robustness, and traceability, which are essential for automatic processing of large amount of data.
• Parsed the data to project to client and handled the security and Authorization using Spring Security and OAuth.
• Used Spring Transaction for the degree of isolation to work with other transactions, to execute within a transaction scope to run that transaction and to check out before timing out of the transaction.
• Extensively used Hibernate concepts such as inheritance, lazy loading, dirty checking, locking, and transactions.
• Hibernate DAO classes were developed to retrieve and save data using Spring framework manager classes.
• Performance monitoring of Mongo databases with OPS manager/MMS and familiar in installing and maintaining MongoDB in private Cloud Environments. Worked on multiple BSON type objects and used based on requirement.
• Developed a code for Web services using JAX-WS, SOAP and used SOAP UI tool for testing the services.
• Consumed Web Services (WSDL, SOAP) from third party for authorizing payments to/from customers.
• Modified existing applications to a suite of Micro Services and all Micro Services to facilitate deployment using Spring Boot.
• Used Junit and PowerMock frameworks for unit testing.
• Involved in developing Micro Services integrated with VSTS for CI/CD by automating the build/release process.
• Worked on XML and JSON for transferring and retrieving data between different applications.
• Involved in using JPA(Java Persistence API) frameworks and APIs as JDO and Hibernate.
• Developed the DAO layer for the application using Spring Integration and Hibernate template support.
• Used JMS API for communication between the components.
• Experience in writing complex PL/SQL queries using joins, Stored Procedures, Functions, Triggers, cursors, and indexes in Data Access Layer.
• Developed test cases for Unit Testing, Integration Testing with JUnit.
• Worked on Log4j for logging errors, messages and performance logs.
• Used Maven as build automation tool and deployments are on Web Sphere Application Server.
• Used Jenkins for Continuous Integration and Spring Tool Suite (STS) IDE for application development.

Environment: Java, J2EE, HTML5, CSS3, Bootstrap, AngularJS, Spring IOC, Spring AOP, Spring MVC, Spring Security, Hibernate, JMicro Service, DBC, REST, SOAP, JAX-RS, JAX-WS, WSDL, Service Oriented Architecture, Oracle, SQL, PL/SQL, Unit Testing, JUnit, Log4j, Maven, Web Sphere Application Server, Jenkins and Spring Tool Suite (STS).

Confidential, Minneapolis, MN

Full Stack Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed User Interface using HTML, CSS, Java Script and Angular JS.
• Developed client side application with Angular JS in a clean Model View Controller (MVC) Architecture.
• Involved in component development using J2EE principles and used design patterns such as Singleton, Factory and Data Access Object (DAO) in the implementation of the application.
• Used Spring MVC and Dependency Injection for handling presentation and business logic.
• To maintain loose coupling between layers, published the business layer as services and injected necessary dependent components using Spring IOC.
• Published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Integrated Spring DAO for data access using Hibernate.
• Implemented persistence framework using Hibernate & Handled Transaction Management using the provided data source.
• Used Spring Security for Authentication and Authorization of the application.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Responsible for designing Hibernate mapping files based on business logic and Object relationships.
• Integrated Spring and Hibernate together and worked on developing backend components and services.
• Established Database Connectivity using JDBC, Hibernate O/R mapping with Spring ORM for Oracle.
• Worked on Hibernate for mapping thejavaobjects to relational database and SQL queries to fetch the data, insert and update the data from the database.
• Used Hibernate in Data Access Layer to access and update information in the database.
• Extensively used HQL and SQL for querying databases.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Implemented SOA architecture with Web Services using SOAP, WSDL, UDDI and XML using Apache CXF framework and worked on parsing the XML files using DOM/SAX parsers.
• Created tables, triggers, PL/SQL Stored Procedures, SQL queries, Joins, integrity constraints and views for IBM DB2.
• Used Multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Implemented Restful and SOAP based Web Services and used Soap UI for testing.
• Used Spring JMS module for lookup for the queues and MDBs for the listeners.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Performed deployment of applications on Web Logic Server.
• Written LINUX shell scripts to identify user login information.
• Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies required to be solved in very less time.
• Worked with Eclipse IDE and used Gradle build tool to achieve more functionality for build process.
• Used Jenkins as build management tool for continuous integration process and used Git as Version Control tool.
• Involved in Bug fixing of various modules that were raised by the testing teams in the application during the Integration testing phase.
• Participated in Code Reviews of other modules, documents, test cases.

Environment: Java, J2EE, HTML, CSS, JavaScript, Spring, Hibernate, XML, XSD, Web Services, Restful, SOAP, WSDL, Log4j, JUnit, DB2, Web Logic, Jenkins, Gradle, GIT, Eclipse, JIRA, Agile Methodology, Windows, Linux, Rational Rose.

Confidential, Seattle, WA

Java 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.