SUMMARY

• Utilized Java 8 features like Lambda expressions and Stream API for Bulk data operations on Collections which would increase the performance of the Application.
• Around 8 years experience in requirement analysis, design, development, testing, implementation, and support using Object Oriented Methodologies and Java/J2EE technologies.
• Actively participated in every phase of Software Development Life cycle (SDLC) and proficient with software development methods like Agile (scrum) and Water Fall.
• Expertise in client - side and server-side technologies like HTML5, CSS3, JavaScript, jQuery, Ajax, AngularJS, JSP, Node.JS and Bootstrap.
• Expert in Core Java with a strong understanding of Collections, Multithreading, Event handling, Exception handling and Generics.
• Experience in Creating and configuring the continuous delivery pipelines for deploying Microservices and lambda functions using Jenkins CI server
• Managed Amazon Web Services(AWS) like EC2, S3 bucket, ELB, Auto-Scaling, SNS, IAM, RDS, SQS, DynamoDB, Elastic Search, Virtual Private Cloud (VPC) through AWS Console and API Integration.
• Hands on experience with Amazon web services (AWS) and Amazon cloud technologies such as Amazon EC2 (virtual servers) and Amazon Cloud Watch (monitoring).
• Deploy application updates to AWS and monitored the load balancing of different instances.
• Experience using Spring MVC, Spring Boot, Spring Data, DAO, IOC, Annotations, AOP, Transactions and Spring Security.
• Extensive experience working in Spring framework, Struts framework, O/R Mapping Hibernate framework and Soap and Restful services.
• Strong work experience in application integration and communicating using SOA and Microservices.
• Web Services such as JAX-RPC, JAX-RS, JAX-WS, SOAP, WSDL, UDDI and XML over HTTP, Apache CXF, JAX-B, XSD, Axis 2, Jersey and RESTFUL web services.
• Strong Experience in database design using PL/SQL to write Stored Procedures, Functions, Triggers, Indexers and proficiency in writing complex queries, using Oracle, IBM DB2, SQL Server, MySQL, MongoDB and Cassandra.
• Expertise in XML technologies such as XSL, XSLT, XML schemas, XPath, XForms, XSL-FO and parsers like SAX, DOM.
• Experienced in JMS over messaging to exchange the information in more reliable and asynchronous way in enterprise applications. Used Apache ActiveMQ, IBM MQ and Apache Camel as JASMS provider.
• Experience in developed logging and standard mechanism based on Log4j and SLF4j.
• Experience in version control system tools like GIT, CVS and SVN.
• Experience in unit testing the applications using JUnit, Mockito Framework.
• Hands-on experience working with Continuous Integration (CI) build-automation tools such as Maven, SVN, CVS, Jenkins, Docker, Kubertenes and Apache Ant.
• Significant experience in web development tools like Spring Tool Suite, RAD, Intellij, Eclipse
• Having Experience on Shell Scripting and Deployment of Applications in Server.
• Experience in designing, developing, and deploying J2EE applications on Web sphere, Web logic, Apache Tomcat and JBoss application Servers.
• Excellent written and verbal communication skills, Analytical, Problem Solving skills, strict attention to detail, and ability to work independently or lead/work within a team environment.

TECHNICAL SKILLS

Languages: Java, J2EE, SQL, PL/SQL.J2EE Technologies Servlets, JDBC, JSP, JSF, JMS, EJB, Java Security

Mark-up/XML Technologies: HTML, CSS, JavaScript, jQuery, Ajax, AngularJS, Bootstrap, Node.JS, XML, XSD, XSL/XSLT, SAX/DOM, JSON.

Tools: & Framework: Struts, Hibernate, Spring MVC, IOC, AOP, Spring Boot, Spring Cloud, JSF, JUnit, SOAP UI, PHP, Apache ActiveMQ, Kafka, IBM MQ, ANT, Maven, Apache camel.

Web services: SOAP, Restful, UDDI, WSDL, JAX-RPC, JAX-RS, JAX-WS, JAX-B, Axis2.

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

Database: Oracle, SQL-Server, MySQL server, NoSQL (MongoDB, Cassandra)

IDEs: Eclipse, Intellij, Spring Tool Suite (STS), RAD

O-R mapping: Hibernate, iBATIS

Testing Tools/ Others: JUnit, Soap UI, Putty, Log4j and Jira.

Version Control: Tortoise SVN, CVS, Rational Clear case, Git, BitBucket.

Build Tools: Ant, Maven, Gradle, Jenkins, Docker, Kubertenes

OS & Environment: Windows, UNIX, Linux.

Cloud Technologies: AWS EC2, S3 bucket, IAM

Architecture: Microservices, SOA.

PROFESSIONAL EXPERIENCE

Confidential, Des Moines, IA

Sr. Full Stack Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed User Interface using HTML5, CSS3, Bootstrap, JQuery and Angular JS.
• Created responsive web design using Bootstrap and Consumed Restful Web Services with Angular JS $http services.
• Designed and Implemented the application using various Spring Framework modules Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Web Flow, Spring Data, Spring Cloud, Spring Integration and Hibernate.
• Used Spring IOC for dependency injection and make the application loosely coupled and Spring AOP for logging purposes.
• Implemented the authentication, authorization and access-control features by using Spring Security and LDAP.
• Implemented Restful and SOAP based web services using JAX-RS and JAX-WS respectively.
• Utilized Java 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.
• Micro Services were being used as a strategy to gradually replace a core monolithic application while still adding business features.
• Implemented Micro Services based Cloud Architecture using Spring Boot.
• Designed and developed Micro Services business components and Restful service endpoints using Spring Boot.
• Implemented Restful Web Services to retrieve data from client side using Micro Services architecture.
• Developed Micro Service to provide Restful API utilizing Spring Boot with Spring MVC.
• Managed Amazon Web Services (AWS) like EC2, S3 bucket, ELB, Auto- Scaling, AMI, IAM through AWS Console and API Integration.
• Responsible for creating an Amazon EC2 instance using (AWS) Elastic Bean Stalk and deploy the application on it.
• Used Docker to containerize the Services and APIs to run on EC2 instances and Implemented the build stage to build the Micro Service and push the Docker Container image to the private Docker registry.
• Implemented Asynchronous messaging between components using JMS.
• Used Spring Data Framework to use the features of Spring JDBC and Spring ORM classes like JDBC Template and Hibernate Template to perform the database operations by connecting to Data sources available.
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Used multithreading in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Developed the test cases with JUnit and Mockito framework to test the application functionalities and Log4j for logging purposes.
• Used Gradle as a build automation tool and deployed the application on Web Sphere Application Server.
• Responsible for Continuous Integration (CI) and Continuous Delivery (CD) process implementation using Jenkins along with UNIX Shell scripts to automate routine jobs.
• Used Git to maintain the version of the files and took the responsibility to do the code merges from branch to master and creating new branch when new feature implementation starts and Intellij as IDE.

Environment: Java 1.8, J2EE, HTML5, CSS3, JQuery, Angular JS, Spring IOC, Spring MVC, Spring AOP, Spring Security, Spring Boot, Spring Data, RESTful services, SOAP, Micro Services Architecture, Amazon Web Services, Hibernate, JDBC, Oracle, Mongo DB, JUnit, Mockito, Gradle, Web Sphere Application Server, Jenkins, Git and Intellij.

Confidential, Columbus, OH

Java/J2EE Developer

Responsibilities:

• Involved in analysis, specification, design, implementation and testing phases of Software Development Life Cycle (SDLC) based on the functional requirements.
• Application is implemented using agile methodology where there is a daily SCRUM meeting to understand the status and resolve any issues.
• Upgraded existing UI with HTML5, CSS3, JQuery, Bootstrap and Angular JS interaction.
• Implemented the application using Spring IOC, Spring MVC Framework, Spring AOP, Spring Boot, Spring Batch, Spring Cloud Data Flow and handled the security using Spring Security.
• Designed and developed the End Points (Controllers), Business Layer, DAO Layer using Hibernate/JDBC template and Spring IOC (Dependency Injection).
• Spring MVC model integration for front-end request action controller.
• Implemented Restful web services using JAX-RS annotations, Jersey as provider and implemented security using Oauth.
• Consumed SOAP and Restful web services in SOA environment and used SOAP UI for testing.
• Developed the monolithic application and also involved in migrating existing monolithic application in to Micro Service Architecture based RESTful Service and deployments were done on Pivotal Cloud Foundry.
• Developed RESTful services using Spring Boot and deployed the application on Pivotal Cloud Foundry (PCF).
• Working with Pivotal cloud foundry to deploy and run the applications through Jenkins.
• Developed the persistence layer using Hibernate Framework, created the POJO objects and mapped using Hibernate annotations and Transaction Management.
• Extensively used hibernate named queries, criteria queries, Hibernate Query Language (HQL) and Optimistic Locking and Caching to process the data from the database.
• Involved in creating various Data Access Objects (DAO) for addition, modification and deletion of records using various specification files.
• Created flows on messaging using Active MQ.
• Extensively used JUnit for unit testing, integration testing and production testing.
• Involved in installing and configuring Maven for application builds and deployment.
• Used JIRA to assign, track, report and audit the issues in the application.
• Setup the continuous Integration (CI) process for the application using the Jenkins.
• Developed the application using Spring Tool Suite as the IDE for editing, debugging, compiling, formatting, build automation and used SVN as version control.
• Involved in Maintenance and Enhancements for the project.

Environment: Java, HTML5, CSS3, Bootstrap, JQuery, Angular JS, Spring IOC, Spring MVC, Spring Batch, Spring Security, XML, XSD, SOAP, Restful, SOAP, Pivotal Cloud Foundry, Log4j, SOA (Service Oriented Architecture), Micro Service Architecture, Oracle, Web Sphere Application Server, Agile Methodology, JUnit, Maven, Jenkins, GIT, JIRA and Spring Tool Suite (STS).

Confidential, Hartford, CT

Java/J2EE Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed User Interface using JSP, JSTL, HTML, CSS, Java Script, JQuery 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 and 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 using Hibernate and spring.
• 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, i2ntegrity 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 that 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, JQuery, Angular JS, JSP, JSTL, JSF, Spring, Hibernate, XML, XSD, SOAP UI, Web Services, Restful, SOAP, WSDL, Log4j, JUnit, DB2, Web Logic, Jenkins, Gradle, GIT, Eclipse, JIRA, Agile Methodology, Windows, Linux, Rational Rose and UML.

Confidential, Chicago, IL

Java/J2EE Developer

Responsibilities:

• Involved in all phases of the Software development life cycle (SDLC) using Agile Methodology.
• Developed Use Case Diagrams, Object Diagrams and Class Diagrams in UML using Rational Rose.
• Developed the UI with JSP, HTML, CSS, Javascript and Ajax.
• Used AJAX API for intensive user operations and client-side validations.
• Responsible for designing, coding and development of the application using Struts MVC and Spring MVC.
• Migrated existing application from Struts to Spring.
• To maintain loose coupling between layers published the business layer as services and injected necessary dependent components using Spring IOC and published cross cutting concerns like Logging, User Interface exceptions, Transactions using Spring AOP.
• Involved in writing Spring Configuration XML file that containsdeclarations and other dependent objects declaration.
• Used Multithreading (Concurrent) in programming to improve overall performance using Singleton design pattern in Hibernate Utility class.
• Developed and Consumed RESTful and SOAP based Web Services.
• Implemented SOAP based Web Services using WSDL, UDDI and XML using Apache CXF framework tool/Apache Commons. Worked on parsing the XML files using DOM/SAX parsers.
• Extensively used JSON to parse the data from server side to satisfy the business requirement.
• Wrote client side validations for DOJO and XML files which checks for the valid values for the different events that are being logged.
• Implemented Asynchronous messaging between components using Spring JMS.
• Implemented the persistence layer using ORM framework Hibernate and mapped the POJO’S with the database tables.
• Developed the Data Access Layer with Hibernate Template and Spring Integration.
• Created tables, triggers, stored procedures, SQL queries, joins, integrity constraints and views for multiple databases, Oracle using Toad tool.
• Involved in Unit Testing of various modules by generating the Test Cases.
• Involved in day to day handling of JIRA issues (production issues at time) that involved data inconsistencies that required to be solved in very less time.
• 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.
• Performed deployment of applications on IBM WebSphere Application Server.
• Worked on UNIX environment for development.
• Used GIT as Version controller.

Environment: Java, J2EE, HTML, CSS, Javascript, Ajax, Struts MVC, Spring IOC, Spring MVC, Spring AOP, RESTful Services, SOAP, JDBC, Hibernate, JUnit, Log4j, IBM Web Sphere Application Server, JIRA, Git 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 JSP, HTML, CSS, AJAX, Javascript and JQuery.
• 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 RESTful and SOAP based Web Services to consume and produce data in XML and JSON.
• Consumed Web Services to interact with other external interfaces in order to exchange the data in different forms by using Restful service.
• Used various CoreJava concepts such as Multi-Threading, Exception Handling, Collection APIs, Garbage collections for dynamic memory allocation to implement various features and enhancements.
• Established Database Connectivity using JDBC for My SQL.
• Written SQL queries, PL/SQL store procedures and Triggers to fetch and store data from the database.
• Used Log4J for application logging and notification tracing mechanisms.
• Developed the ANT scripts for preparing WAR files used to deploy J2EE components and deployment of the application was on JBOSS.
• PreparedJUnittest cases and executed the test cases usingJUnit.
• Involved in bug fixing during the System testing, Joint System testing and User acceptance testing.
• Used SVN to check-in and check-out and co-ordinate among team members for Version Controlling.
• Used Eclipse IDE to integrate different frameworks to build application.

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

Confidential

Java 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 JSP, HTML, CSS and Javascript.
• Wrote JavaScript for client side validation.
• 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.
• Established connection to My SQL database with JDBC and 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 and Used CVS as Version Control tool.
• Involved in build and deploying the application using ANT.
• Worked on bug fixing and Production Support.

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