 Developed the functionalities using Agile Scrum Methodology. Extensive experience in various Agile methodologies like Test Driven Development (TDD) . Involved in developing UI using Spring MVC framework, JSP, JSTL, HTML5, CSS, Javascript, JQuery,AJAX and AngularJS. Implemented AngularJS Controllers to maintain each view data. Implemented Angular Service calls using Angular Factory tested all application controllers extensively with AngularJS built-in testing facilities. Extensively used core java concepts like Multithreading, Collections Framework, File I/o and concurrency. Experience in Core Java concepts such as OOP Concepts, Collections Framework, and Exception Handling, I/O System, Multi-Threading, JDBC, Generics. Used Java8 features in developing the code like Lambda expressions, creating resource classes, fetching documents from database. Used design patterns like Singleton, Data Access Objects, Factory and MVC patterns. Testing and production support of core java based multithreading ETL tool for distributed loading XML data into Oracle database using JPA/Hibernate. Created POJO’s and DAO’s for the database entities using Spring JDBC annotation mappings Integrated with Spring Cloud projects to provide distributed tracing and other features. Developed microservices with Spring and tested the application using Spring Boot. Used Spring Core annotations for Spring Dependency Injection, Spring MVC for Rest API’s and Spring Boot for microservices. Development of cloud hosted web applications and REST APIs using Spring Boot with embedded Tomcat. Developed GSA, LSS and SDL using C++, Multi-threading and socket programming. Deployed the application on Amazon Web services (AWS) and used it to provide a large computing capacity for scalable solutions. Deployed applications into Continuous integration environments like Jenkins to integrate and deploy code on CI environments for development testing.

 Involved in various phases of the Software Development Life Cycle (SDLC) as requirement gathering, data modelling, analysis, architecture design & development for the project.  Designed, developed, and deployed the services in Google Cloud Platform (GCP) using NodeJS, Google Kubernetes Engine, Redis, Big Query and Postgres.  Created multiple services from scratch using the node versions of 8, 10, 12 and 14  Implemented business layer using Core Java, Spring Beans using dependency injection, and Spring annotations.  Extensively used Angular UI (Angular Bootstrap) for ng-grid, and UI components also used Angular JS as a library for DOM manipulation and filters. Experience in working with messaging systems like Kafka, and Kafka event Sourcing. Implemented Micro Services using Spring Boot, Spring Cloud, and Spring Micro Services.  Consumed REST-based microservices with Rest Template based on RESTful APIs.  Used core Java concepts like Collections, Multi-Threading, Generics, Exception Handling, Java Reflection and Serialization.  Designed and developed scalable database models in Oracle, Postgres, and Cassandra  Implemented Postgres database concepts such as locking, transactions and indexes  Designed and developed UI components, using frameworks Angular 10, 13, Typescript, HTML, CSS, Bootstrap and Angular material.  Created highly customized Spring Boot microservice with Mule. Developed Microservices to provide RESTful API utilizing Spring Boot with various data persistence  Designed and developed the business logic layer components in the middle-tier of the application using Spring Framework 4.0 and Spring Boot in STS. Used Spring JBC and DAO layers to offer abstraction for the business from the database-related code. Created collections and performed CRUD operations on MongoDB using Node Mongoose and used Mongo Repository and spring Mongo template for persistence.

 Involved in understanding project requirements, analyzing, designing, developing and testing applications using agile methodology.  Participated in the requirement discussions and Sprint grooming and scrum/daily standup calls and implemented application tasks in JIRA.  Interacted with Managers and Business users for performance issues, discussed about key aspects based on requirements and its relational mapping to the application with users.  Collaborated on responsive front-end development using HTML, CSS, JavaScript, JSP and jQuery with DevOps development principles.  Developed a dashboard based on Ajax calls with business customers count, flags and real-time graphs for analytical reporting.  Extensively worked on developing UI components using HTML, CSS, JavaScript, JSP and jQuery to interact with SOAP web services.  Involved in migrating the application deployment procedures, and Google Version Control for development with Google App Engine.  Used SVN version control for the Day-to-Day development activities while migrating.  Worked on integrating GWT (Google web toolkit) for generating the JavaScript files for reporting the high frequency of usages of functionality in the mini-pie chart. Developed application using the Struts framework with views based on JSP.  Used various Core Java concepts such as Multithreading, Exception Handling, and Collection APIs to implement various features and enhancements.  Used Multithreading, and concurrency, implemented threads while preparing, and generating mails.  Worked extensively on Core Java, low latency side using Java Concurrency on the backend of the application.  Developed critical components of the application including JSP views, and business logic and data logic components that include JDBC, SQL queries and CRUD operations following MVC architecture.

 Involved in understanding project requirements, analyzing, and designing, developing and testing applications using agile methodology.  Participated in the requirement discussions and Sprint grooming and scrum/daily standup calls and implemented application tasks in JIRA.  Interacted with Managers and Business users for performance issues, discussed key aspects based on requirements and its relational mapping to the application with users.  Collaborated on responsive front-end development using HTML, CSS, JavaScript, JSP and jQuery with DevOps development principles.  Developed a dashboard based on Ajax calls with business customers count, flags and real-time graphs for analytical reporting.  Extensively worked on developing UI components using HTML, CSS, JavaScript, JSP and jQuery to interact with SOAP web services.  Involved in migrating the application deployment procedures, and Google Version Control for development with Google App Engine.  Used SVN version control for the Day-to-Day development activities while migrating.  Worked on integrating GWT (Google web toolkit) for generating the JavaScript files for reporting the high frequency of usages of functionality in the mini-pie chart. Developed application using the Struts framework with views based on JSP.  Used various Core Java concepts such as Multithreading, Exception Handling, and Collection APIs to implement various features and enhancements.  Used Multithreading, concurrency, and implemented threads while preparing, and generating mails.  Worked extensively on Core Java, low latency side using Java Concurrency on the backend of the application.  Developed critical components of the application including JSP views, and business logic and data logic components that include JDBC, SQL queries and CRUD operations following MVC architecture.

 Worked in an Agile environment and attended Daily Scrum meetings.  Involved in all the phases of SDLC including requirement gathering, design & and analysis of the Customer Specifications, development and customization of the application.  Used Core Java features like Multithreading, Collections and Synchronization.  Used Spring MVC and Hibernate ORM to map Java classes to database tables using various annotations and POJO classes.  Used custom tags, and JSTL to support custom User Interfaces.  Successfully performed the RESTful API integration using Jersey for JAX-RS implementation and developed an API wrapper for reusability.  Utilized the JIRA tool for bug tracking, fixes, and task assignment.  Used Eclipse as IDE for the application development and integration of the frameworks.  For testing components used JUnit and Mockito. And Power mock for testing Static variables and methods in the code.  Used Maven as the build tool for the application and auto-deploying it to the environment.  Analyzed, designed and implemented Oracle database using a connection pool.  Worked on Git as version control management and JIRA as Defect management for bugs, and issue tracking of applications.  Used Jenkins for CI/CD process.  Hands-on experience with Testing applications using Junit and Mockito.