Client: CISCO - Sanjose, CA•Implemented Agile methodology, sprint planning and attended daily &weekly SCRUM meetings for status updates.•Created UML sequence diagrams consisting of class, sequence, activity flow diagrams using Gliffy.•Used J2EE design patterns like MVC, Singleton, Data Access Object (DAO), Data Transfer Object (DTO).•Designed and implementedasynchronous processes usingMulti-Threading, at different stages of execution.•Associated with implementing Thread safe blocks for Multithreading access to make legitimate exchanges.•Experience with Java 8 features like parallel streams and filters through lambda Expressions to handle the searching.•Used Spring 4for dependency injection/inversion of control (IOC), and integrated Angular 9 and Hibernate. • Spring Boot Microservices were developed with microservice architecture primarily based on REST and Apache Kafka.•Used HQL, Named Parameters, Named Queries and Interfaces such as Expression, Query and Criteria for implementation of Hibernate template and extensively used Hibernate Cache.•Accessed REST Spring calls in Angular 9 using promises, custom directives and custom services. •Implemented fail safe and circuit breaker patterns in Spring Boot Micro Service applications using Hystrix fault tolerance library and monitored the services using Hystrix Dashboard.•Worked with Eclipse based Spring Tool Suite (STS) for development and debugging Spring Boot applications, Microservices which were deployed to AWS lambda, to leverage its services.•Developed web pages using Ajax, jQuery, Angular9, HTML5, UI-Bootstrap, CSS3, and Grails.•Developed XPATH, XQUERY and custom XML parsers based on SAX, DOM as part of XML Consumption.•Worked with JAXB parser to convert objects into XML files, or vice versa, marshalling and unmarshalling XML data.•Leveraging Angular9 resources for all data access, encapsulating URLs and standardizing data access.

Client: Goldman Sachs – New York City, New York●Worked in an AGILE development environment to help, respond quickly to business needs and ship quality products.●Implemented features of Java 8 like concurrency API and filters through lambda Expressions.●Implemented the application using design patterns such as Session Facade, Business Delegate, Bean Factory, Singleton, Data Access Object, and Service Locator.●All the functionality is implemented using Spring IO / Spring Boot, Thymeleaf and Hibernate ORM.●Implemented Java EE components using Spring MVC, Spring IOC, Spring transactions and Spring security.●Implemented various features of Spring framework such as Dependency Injection, IOC, Spring MVC, Spring WebFlux frameworks, Annotations and Spring Integration with Hibernate Framework.●Handled Java Multi-Threading part in back-end, one thread will be running for each user, which serves that user.●Developed and executed software systems utilizing JavaScript and Groovy.●Implemented the Micro services to base on RESTful API utilizing Spring Boot with Spring MVC.●Implemented and developed UI components using Angular6 features like dependency Injection, Models, data binding and controllers.●Developed Interactive web pages using HTML5, CSS3 and JavaScript, Node js and Angular6.●Used PL/SQL stored procedures for applications that needed to execute as part of a scheduling mechanisms.●Experience in NoSQL in using Hierarchy Modelling Techniques like Tree Aggregation, Adjacency Lists and materialized paths like Cassandra.●Used GIT as version management, JIRA for defect management system.●Used JUnit for unit testing of application, log4j for generating run-time logs and JIRA for defect management

Client: Fidelity Investments – Boston, MA•Developed Functional Requirement Document based on user requirements, identified in JAD sessions.•Developed the J2EE application based on the Service Oriented Architecture, involving services and connections.•Used Design Patterns like Singleton, Factory, MVC, Intercepting Filter, Front Controller, and Business Delegate•Involved in writing Thread Safe blocks for multithread access to make valid transactions. •Used multithreading extensively in the math engine was rather ahead of its time: its immediate purpose was to enhance the user experience of the program by deferring lengthy calculations to background threads.•Created and injected spring services, spring controllers and DAOs to achieve dependency injection and to wire objects of business classes.•Developed using new features of Java like Annotations, Generics, enhanced for loop and Enums.•Worked on Spring Quartz functionality for scheduling tasks such as generating monthly reports for customers and sending those mails about different policies.•Used XML Web Services using SOAP to register agents using non-java application. •Created logical and physical data models putting to practice, concepts of normalization and RDBMS Database development required creation of new tables, PL/SQL stored procedures, functions, views, indexes, constraints and triggers and required SQL tuning to reduce the response time in the application.•Worked closely with QA team and fixed QA bugs as well as production issues with a quick turnaround time.•Focused on Test Driven Development; thereby creating detailed JUnit tests for every single piece of functionality.•Used Rational Application Developer which based on Eclipse, to develop and debug apps code.•Used Log4j utility to generate run-time logs, and captured them which includes run-time exceptions.•Used CVS for version control, recording the history of source files as well, and conducted JUnit tests.

Client: North Dallas Bank & Trust Co – Dallas, TX•Involved in preparing the Detailed Design document for the project.•Involved in creating Use Case Diagrams, Class Diagrams and Sequence diagrams using Rational Rose.•Designed the data flow for the client-side screens and the object interaction layer for the server-side components using Rational Rose.•Implemented design patterns like Adapter, Singleton, MVC, DAO to achieve clean separation of different layers.•Developed the UI using Struts view component HTML, CSS 3, JavaScript, AJAX, JSON and Apache Camel.•Used XML/XSLT for transforming common XML format and SAML for Single Sign-On, for multiple application access.•Designed configuration XML Schema for the application, to make XML configuration easier to implement.•Used XML Http Request Object to provide asynchronous communication as part of AJAX implementation.•Used JavaScript for the client-side validation, to return false messages to prevent the form from being submitted.•WSDL was used for publishing Web Service interfaces, combined with SOAP and XML schema.•Wrote Ant Scripts to automate the build and deploy process, which also supports build automation.•Involved in continuous Code Review, Unit Testing and Integration Testing, to make the application user ready.•Used Junit to test the application and developed Junit testcases for DAO.•Used SVN version controller to keep a track of the current and historical code versions and documentation.

Client: Lincoln Financial Group– Radnor, PA•Responsible for writing detail design documents and class diagrams and sequence diagrams using Rational Rose.•Prepared Design, Analysis and Unit testing documents related to modules and while developing each module.•Involved in Core Java coding by using Java APIs such as Collections, Multithreading, Exception Handling, Generics, Enumeration, and Java I/O to fulfill the implementation of business logic.•Worked on Core Java, using file operations to read system file (downloads) and to present on JSP.•Performed J2EE application deployment and administration.•Developed Custom tag libraries to separate presentation and processing logic.•Developed web components using MVC pattern under Struts framework•Used Entity Beans for accessing data from the SQL Server database, to perform tasks for remote client.•Involved in installation, Configuration and administering Web Logic server and JMS, for testing.•Prepared Unit test cases for existing functionality as per the requirement and execute the same.•Participated in navigation and functional testing and validating using java script. •Provided testing and production support, which involves validating new sequences before production deployment.•Played significant role in trouble shooting day-to-day problems of the applications in production•Used CVS version control system for project and version management, as CVS stores modules in repository.

Client: St Logistics – India•Involved in gathering and analyzing system requirements, using the waterfall SDLC methodology.•Played key role in the high-level design for the implementation of the application and managing the deliverables.•Developed the Training and Appraisal modules using Java/J2EE, JSP, Servlets and JavaScript. •Worked on web-based reporting system with HTML, JavaScript and JSP technologies. •Developed UI using Java Swings, to develop sophisticated platform-independent GUI components.•Involved in Designing the Database Schema and writing the complex SQL queries. •Created tables, views, Types, triggers, complex join queries, stored procedures, and functions and modifications to existing database structure as required for addition of new features. •Accessed stored procedures and functions using JDBC Callable statements. •Designing and establishing the process and mapping the functional requirement to the workflow process.•Involved in Code reviews for other modules developed by peers, implementing integration testing methodology.•Executed and coordinated the installation for the project and played an integral role in deployment of application.