IT professional with 6+ years of experience in Java and JEE technologies including analysis, design implementation, testing and maintenance of applications.
Experience in large scale Software Development Life Cycle (SDLC) including Requirement Analysis, Project Planning, System and Database Design, UML design using Rational Unified Process and Object-Oriented Analysis and Design, Development, Testing, Implementation and Documentation.
Strong knowledge and experienced in multi-tiered distributed environment, OOPS and OOAD concepts, good understanding of Software Development Lifecycle (SDLC) and Service Oriented Architecture (SOA).
Sound knowledge in developing Use Cases, Activity Diagrams, Sequence Diagrams and Class Diagrams using Toad Data Modeler and MySQL Workbench.
Good command in Core Java and profound experience collection frameworks and Multithreading.
Expert skills in J2EE Design Patterns like MVC Architecture, Singleton, Session Facade, Business Delegate and Data Access Object for building J2EE Applications.
Experienced in web development using HTML, DHTML, XHTML, CSS, JavaScript, and AJAX technologies.
Developed User Interface and web page screens for various modules using JSF, AJAX, JavaScript, and Angular JS.
Experienced in developing MVC framework-based web apps using Struts and Spring.
Experience in building web applications using Spring Framework features like MVC, AOP, IOC, DAO, DTO and template classes.
Expertise in Object-relational mapping using Hibernate.
Expertise in developing and consuming Web services including different technologies and standards like XSD, SOAP, WSDL, JAX-WS and Apache Axis.
Experience in installing, configuring, tuning Web Logic Server, Apache Tomcat, and JBoss.
Experience in using IDE Tools like Eclipse, IBM RAD and NetBeans for Java/J2EE application development.
Expertise in database modelling, administration and development using SQL, T-SQL and PL/SQL in Oracle and SQL Server environments.
Experienced in using Operating Systems like Windows and Unix/Linux.
Proficient in software documentation and technical report writing.
Motivated, Team oriented or Self-guided, energetic attitude.
Good understanding of Business workflow, Business logic and Business methods for further implementation of user requirement in a distributed application environment.
Full Stack Java Developer, 01/2020 to Current Accenture – Tacoma, WA,
Involved in Documenting (analysis, specification, design), implementing and testing phases of Full Software Development Life Cycle (SDLC).
Used J2EE, REST, and Spring Framework for developing the application.
Implemented the persistence layer using Hibernate and configured Hibernate with spring to interact with the Cassandra Database from the DAO.
Worked on Virtualization, Cloud Computing and Web Services.
Performed Configuration, deployment and support of cloud services including Amazon Web Services (AWS), Open stack and VMware.
Designed and developed Micro Services that are highly scalable, fault-tolerant using Spring Boot.
Worked on deploying, managing, and operating scalable, highly available, and fault tolerant systems in different Cloud providers.
Used Spring Core and Spring Data modules in Spring MVC framework for implementing Model-View- Controller (MVC) architecture 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.
Implemented Spring AOP for basic authentication at API Level, which it reduces the development time to handle the exceptions.
Developed Spring REST web services to serve multiple applications across the organization.
Developed user interfaces which are single page applications using JavaScript, CSS, HTML, Angular JS.
Wrote various Shell Scripts to run on top of a virtual box in various Providers.
Worked on multiple databases including MySQL, Mongo DB, and Cassandra.
Schema design and deployment for both RDBMS and NOSQL databases.
Programmatic usage of RDBMS and NOSQL database APIs including Hector and Cassandra clients.
Built servers using AWS which includes importing necessary volumes, launching the EC2 instance, creating security groups, auto-scaling, load balancers, Route 53 and SNS as per the architecture.
Created multiple Kubernetes Clusters in AWS and deploying a Docker Image on top of Kubernetes Cluster for testing purpose.
Created Amazon Machine Images (AMI's) of EC2 Instance for snapshots and creating clone's instances for their application elsewhere.
Involved in migrating applications from Java 1.7 to Java 1.8.
Used Apache Maven build tool to automate the build process and Jenkins CI for continuous integration.
Provided solutions to improve performance on multi-threaded processes and controlling the load on downstream API calls.
After which there were no hung threads found in the application server logs.
Developed the application using SCRUM methodology, participated in Scrum meetings where we would demo all the user stories done during that iteration for final feedback from end users.
Provide production support and address issues that may occur in production and involved on build and deployment process.
Used ANT scripts to build and deploy application.
Used Log4J for logging and tracing the messages.
Used CVS for version control across common source code used by developers.
Full Stack Java Developer, 11/2018 to 12/2019 Accenture – Edison, NJ,
Gathered and clarified requirements with business analyst to feed into high-level customization design, development and installation phases.
Followed Agile Software Development Methodology and Test-Driven Development (TDD) to build the application iteratively and incrementally.
Participated in Scrum related activities and Daily Scrum Meetings.
Re engineered the existing legacy application into a web-based application using the latest web technologies.
Wrote reusable components (including business layer, software infrastructure, and UI) by following industry best practices in user-interface design.
Developed J2EE web application using the Java 7, multi-threading, Spring MVC 4.1.0, spring-JDBC and implemented caching in the application using IBM Dyna Cache.
Used Spring Core and Spring Data modules in Spring MVC framework for implementing Model-View- Controller (MVC) architecture 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.
Developed DB2 stored procedures on DB2 Database.
Developed Hibernate services, Data Objects and Data Access Objects to access DB2.
Build REST web service by building Node JS Server in the back end to handle requests sent from the front-end JQUERY, AJAX via JSON.
Designed & developed Restful API and services using best practices to interact within the Micro services and with the front end.
Extensively used Spring MVC and Spring rest.
Provided Security via tokens (JWT) and spring security.
Used JPA to fetch data from database to avoid any dependency on database tables.
Implemented User Interface and integrated with backend code, Node.JS as server-side technology for the feedback system.
Used JMS MQ (Message Queues) for reliable and asynchronous exchange of important information between multiple business applications.
Created complex scheduler tasks/jobs using Quartz Scheduler library.
Developed custom exception handling mechanism to handle errors/exceptions.
Developed JUnit test cases to unit test the business logic.
Supporting System Test and User Acceptance Test.
Used Apache Maven build tool to automate the build process and Jenkins CI for continuous integration.
Performed Design review and Code review for well-known performance practices for better performance and code maintainability.
Responsible for design of WSDL files and schema changes and hosting using SOAP based Web Services Axis2 and XML Beans.
Used JavaScript and JSF Prime faces validation framework for performing front-end validations.
Designed and developed Micro Services based business components and RESTful service endpoints using Spring boot.
Created and Consumed Web Services from different applications within the network.
Used XML to transfer the application data between client and server.
Worked with SQL Scalar queries, Stored Procedures, Joins, Indexes, and triggers.
Developed Unit /Integration test cases using Junit, Easy Mock.
Performed the business, System/Integration testing.
Responsible for fixing the defects in Dev/UAT and Production.
Used Maven tools for building and deploying the Web applications.
Environment: Java, JSTL, JSP, Servlets, Spring, Hibernate, Spring MVC, WSDL, SOAP Web Services, SOAP UI, XSD, XSLT, XML, Axis2, Xml Pad, Apache CXF, XML Beans, jQuery, jQuery UI, Java Script, JSON, AJAX, AngularJS, Micro Services, Spring Boot, Spring MQ, Eclipse, JSF, JBoss, Oracle 11g, SQL Developer, Hudson, Maven, SVN, Log4j.
Jr Java Developer, 05/2015 to 10/2018 Barclays Bank – New York, NY,
Actively involved in designing, developing, and testing of J2EE components like Java Beans, Java, XML, Collection Framework, JSP, spring and hibernate.
Used Spring/MVC framework to enable the interactions between JSP/View layer and implemented different design patterns with J2EE and XML technology.
Implemented DAO layer using different hibernate techniques like strategies, Inheritance, annotations, and criteria interfaces.
Involved in writing configuration centric files/modes for various services using XML capabilities and wrote message bundles for spring, camel and JAX-RS.
Used RESTful web services to call the services from a central portal.
Used Apache Maven for building and Hudson for Batch building.
Maintenance of existing product code, as required.
Wrote Scripts using UNIX, ANT whenever necessary.
Wrote JavaScript code using AJAX, JSON features and used the annotation capabilities of the same for Restful services.
Developed integration of hardware services through Apache Camel and Spring Dependency Injection frameworks.
Development in Service Oriented Architecture SOA.
Stood up for the daily scrum to discuss and update through word of mouth and through the Rally tool for scrum.
Used SVN Subversion for version control, log4j for logging purpose.
Wrote JUnit, Easy mock test cases to test various services and their integration capabilities and limitations.
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