• Experienced on spring framework applications like Spring MVC, Spring Batch, Spring Security and Spring Boot and did integration to Micro services into existing system architecture.• Involved in writing application-level code to interact with APIs, Web Services using JSON.• Developed an attractive GUI using Angular 6.0 that users can interact dynamically at runtime.• Highly used Angular6 Router to build single page applications for navigation through the different status and multiple modals. • Developed custom directives, Factories and Services in Angular and implemented code according to coding standards and created Angular Controller in order to isolate the scopes to perform operations and extensively used Core Java such as Exceptions, and Collections.• Developed an application were involved in design changes using HTML5, CSS3, Bootstrap, Ajax, JQuery and fraction of JavaScript.• Writing PL/SQL with Stored Procedures, functions to get the information from DB, Saving the data, Modifying the data in the DB and removing the data from the DB.• Developed RESTful Web Services with JAX-RS using Spring Boot and Micro Services Architecture• Used Amazon S3 to backup database instances periodically to save snapshots of data.• Developed applications accessing Databases (MS SQL Server, Oracle, My SQL).• Constructed web pages for application using Java Script, JQuery, NodeJS, Karma, Jasmine• Involved in using Npm (Node Package Manager) for dependency and version management of NodeJS packages for the application.• Used rabbit Mq as our messaging broker to communicate between various microservices.• Implemented the authentication and authorization of the application using Spring Security and Oauth 2.0.• Used JAVA 1.8 features like Lambda Expressions, Parallel Streams and functional interfaces .• Worked with AWS cloud service in creating EC2 instances and providing them roles and deployed applications on EC2.

• Involved in Analysis, Design, Development, UAT phases of the application.• Developed REST web services for implementing the business logic for different functionalities in the features that are developed. • Developed modules implementing business rules and workflows using Spring Boot.• Designed and developed the REST based Microservices using the Spring Boot.• Created utility Java components and integrated them using Spring framework for Hibernate Object-Relational persistence.• Integrate between client side implemented by Angular with RESTful API implemented by Spring• Developed User interface using JSP, HTML, JavaScript, CSS, Ajax and JQuery.• Developed RESTful web service using Spring and JAX-RS for retrieving data from server and internal communication. Create and consume web services (SOAP & REST)• Implemented J2EE standards, MVC architecture using Spring Framework.• Worked on Spring Core layer, Spring ORM, Spring AOP in developing the application components.• Developed the application using Eclipse IDE and worked under Agile Environment. • Added the required jar files to the application as dependencies to the pom.XML file.• Used JPA with Hibernate provider and implemented business logic components using POJOs.• Worked on serialize and de-serialize of data in applications using JSON.• Wrote SQL queries and Stored Procedures for Data Access Objects (DAO) and executed using hibernate.• Used Log4j logging framework to debug the code

• Involved in Analysis, Design, Development, UAT and Production phases of the application.• Implemented the project using agile-scrum methodologies using Version one.• Expertise in Core Java with strong understanding and working knowledge of Object Oriented Concepts like Collections, Multi-Threading, Concurrency framework.• Worked on Angular JS controllers and created functions to interact with the RESTful Web Services using AJAX • Implemented the project as a multi-tier application using Spring MVC & used core Spring concepts like AOP, IOC.• Implemented the application using spring boot and microservices.• Improved the throughput using the concepts of multithreading like Executor Services & Concurrency API.• Implemented UI using Angular JS, Java Script, JQuery, HTML5 & CSS3.• Involved in development of the Application front end using JSP with extensive usage of Struts tag libraries, JSTL and Custom Tag Libraries. • Developed XSLT files for transforming the XML response from the web service into HTML as per the business requirements.• Developed the Persistence Layer using Hibernate.• Used Business Delegate, Singleton, Front Controller, Factory and DAO design patterns• Developed stored procedures, triggers and sequences.• Involved in performance tuning of application and environment for optimized performance during month end load using JProbe.• Used Jenkins for continuous integration and Git hub for version management.• Maven for building the application in the cloud leveraging AWS API’s.• Involved in building and maintaining cloud based infrastructure on AWS.• Implemented logger for debugging using Log4j• Served as POC for on call support in the production team on a rotation basis