• Involved in development and testing of Streamlets module. Actively involved in Analysis, Design, Development, System Testing and User Acceptance Testing. • Worked on the Microsoft cloud services like Azure to provide, SAAS, PAAS and worked on web services for passing the data as a Json data.• Followed Agile methodology in the Scrum Cycle model. • Implemented Java8 features like Lambda expressions, Streams, filters, pipelines, Optional Interfaces etc• Development of microservices with Java8, Spring Boot, and deployment in Cloud Platforms • Used Executor Service Interfaces, ThreadPoolExecutor class for multi-threading & thread resource pooling.• Used Multithreading and collections to improve performance of application.• Developed classes using Core java/Executor Service (multithreading, concurrency, memory management).• Used J2EE design patterns like Adapter, Service locator, Session facade, Singleton, Factory and Observer design patterns.• Created Spring Boot with Microservices utilizing NoSQL RESTful API.• Used JavaScript, jQuery for user interactions in pages.• Designed and developed Spring Batch Jobs using Spring Framework and used Cron expression to trigger the job.• Knowledge in Middleware persistence frameworks like Spring Data JPA for mapping Java classes using Hibernate. • Assortments, Products to Apache Kafka Topic by using custom Serializers.• Created Entity using JPA and Spring Data JPA to execute queries to the databases.• Consumed REST Web Services for fetching the accounts information. • Developed Restful Webservices to interact with consumers and secured the service with Spring- Security Oauth-2.0 • Building microservice using Spring Framework with cloud-based architectures and deploying in EC2 Fargate

• Created Spring Boot with Microservices utilizing RESTful API.• Developed Restful Web services for other systems to interact with our system and secured the service with Spring- Security OAuth. • Utilized Spring core, AOP and security to build robust business operations with transactional support. • Extensively used Spring Batch for developing batch processing.• Implementing or exposing the Microservice architecture with Spring Boot based services interacting through a combination of REST.• Used WebSphere for Application server implementation, server setup configuration, support, performance.• Experience in building microservice and cloud-based architectures • Used Apache camel to integrate the different applications using protocols like http, Active MQ and JMS. • Developed spring boot applications for REST services and deployed in Pivotal Cloud Foundry (PCF)• Developed SQL stored procedures and prepared statements for updating and accessing data from database.• Developed database objects-Stored Procedures, Tables, Views, Sequences and Triggers.• Wrote SQL queries using stored procedures and enhanced performance.

• Involved in all stages of SDLC like Requirement Analysis, Design, Implementation in Agile Methodology. • Developed presentation layers using HTML5, CSS3, and Angular2 router to build single page applications to navigate through the different status and multiple models.• Used Angular 2 to associate HTML elements to model and provide dynamic user validations on client side.• Worked on UI components using Angular 2 Dependency Injection, Data Binding, and controllers.• Worked on Java8 features like Lambda expressions, Streams, filters, optional classes, and default methods.• Used Executor Service Interfaces, ThreadPoolExecutor class for multi-threading & thread resource pooling.• Worked on Spring MVC Transaction Management, Spring/Hibernate Batch Transactions and Hibernate cache, Spring Boot components to implement business layer and navigation part of application.• Developed the Application using design patterns-Singleton, Factory, Observer Design Patterns, DTO prototype and Composite View.• Implemented Microservices architecture with Netflix, Spring Eureka using Spring Boot to provide client-side load balancing in calls to another Microservices for making application into smaller chunks and the Spring Hystrix as circuit breaker and for the fail-safe. • Involved in developing Restful service API’s end points in microservice architecture. • Developed Mongo DB Data Access Layer implementing Mongo Repository interface from Spring Data.• Developed various SQL queries and PL / SQL Procedures in Oracle DB for the application. • Developed Apache Spark jobs using Java in test environment for faster data processing and used SQL.• Worked on multiple environments across EC2 servers with Docker hosts & Kubernetes to manage docker images.

• Involved in the development of Presentation layer and GUI framework in JSP. • Client-Side validations were done by using JavaScript. • Developed UI by using the JSP/HTML for each user interface. JavaScript, Servlets standard validations are used as the controllers for business logic and using JDBC, XML techniques for MVC layer• Designed and implemented AJAX server calls to dynamically retrieve information.• Implemented struts framework using MVC design pattern and front controller pattern• Designed user interface by creating web pages for each component using Struts, MVC and Action Servlet as front controller in this application. • Used SOAP webservices to communicate with other applications. • Handled Java multi-threading part in back-end component, one thread will be running for each call• Developed Action Class components for performing business process execution and involved in configuration of struts configuration specific xml file• Designed mailing application to send notifications to the Oracle users for intimating to start the next workflow.• Worked on Oracle in writing complex queries in the business logic layer. • Involved in testing the application using JUnit.

• Analyzed the modules and performed Unit testing and provided fix for the identified issues. • Developed UI pages using HTML, XML, DHTML, XSL/XSLT, XHTML, DOM, CSS3, JSON, JavaScript, jQuery, Ajax. • Developed both Session and Entity beans representing different types of business logic abstractions. • Collaborate with other scrum teams to understand the dependency.• Understanding the User Story and wireframes to estimate the story point during sprint planning. • Discussed with database team to understand the database architecture to design the forms and fields. • Handled all the client-side validations, dropdown menu population and tab navigation using jQuery. • Interacted with middle layer team to integrate UI layer with web services read data for performing functionality.• Applied jQuery scripts for basic animation and end user screen customization purposes. • Wrote stored procedures, views, cursors and triggers using MYSQL.• Used Eclipse for writing code for HTML Java, Servlets, JSP and JavaScript. • Completed all my assigned user stories within the sprint and helped team members to complete their stories. • Performed client-side validations using JavaScript.