Stack Developer Spring Boot

Nikitha,

Sr. Java Full Stack Developer,

Email: ad9acq@r.postjobfree.com, Phone: +1-732-***-****

Professional Summary:

• Over 10+ Years of full stack development experience in all stages of life cycle, referring to Design, Development, and Implementation and testing of web-based applications.

• Experience in Design and Development of Distributed and Client-Server applications using Object Oriented Analysis, Design and JAVA, J2EE Technologies (Servlet, JDBC, EJB, and Web Services).

• Excellent knowledge of all the phases of software development life cycle (Requirements gathering, analysis, design, development, testing and implementation) and SDLC methodologies such as Waterfall, Agile.

• Good understanding Core Java 8 concepts like Streams API, Time API, Functional Interfaces, Multithreading, Transaction Management, Exception Handling, and Lambda functions, Generics and Collection API.

• Experience in Java 11 features like Reactive Java, Completable Future, Parallel Streams, Lambdas, Optionals and Data Time API. Expertise to interact with ORM frameworks like Hibernate, Spring Data, IBatis and JPA.

• Experience in developing enterprise applications using frameworks like spring, Struts, Servlets, and JSF.

• Proficient in implementation of spring frameworks like Spring MVC, Spring IOC, Spring REST, Spring AOP, Spring transaction Management, Spring Data, Spring DAO, Spring Batch, Spring Security and Spring Boot.

• Worked on micro services-based architecture using Spring Boot interacting through REST API.

• Good knowledge on working with Relational database ORM frameworks like PostgreSQL, MySQL, DB2, Oracle 13c/11g, IBatis and NoSQL DB (Mongo DB and Cassandra, Couch DB, Redis, Dynamo DB).

• Experience in Developing User Interface (UI) Rich Web Applications using Front End/User Interface (UI) Technologies using HTML5, DHTML, CSS3 (SAAS, LESS) frameworks, Bootstrap, Java script (ES5 & ES6), JQuery, AJAX by managing all facets and pipelines of application.

• Good Understanding on using various XML technologies like XPath, XQuery, XSLT, XSD, SAX, DTD/Schemas, DOM and JAXB.

• Experience in Model View Controller (MVC) Architecture based applications using Core Java, Framework, Spring MVC, and Spring AOP.

• Expertise in Spring Framework modules such as Spring MVC, Spring IOC, AOP and Spring JDBC, Spring Data, Spring REST, Spring JTA, Spring IO, Spring Security, Spring Boot with Thyme leaf template.

• Developed Micro services architecture using Spring Boot to avoid boilerplate code and XML configurations.

• Worked with React.js Virtual DOM and React views, rendering using components.

• Strong Experience in JavaScript MVC design pattern such as Angular JS, Backbone JS, and Ember JS.

• Developed multiple Angular 11.0/8.0/6.0/4.0 components which are compatible with latest versions of typescript, Angular CLI.

• Good working knowledge in developing and deploying Micro services related applications with Spring Boot and Spring Cloud.

• Strong experience in developing Single Page Application (SPA), using MEAN (Mongo, Express, Angular and Node) stack. Proficient in working with web application's UI testing frameworks such as Karma, Jasmine, and Protractor for Angular JS, Mocha and Chai for React JS and Backbone JS.

• Worked with WSDL in implementing SOAP services using Axis-2 and Apache CXF Framework.

• Worked on projects implementing Restful services (JAX-RS, Spring Boot), SOAP (JAX-WS, Apache CXF, WSDL, Apache Axis2) and configured using Swagger and WADL.

• Experience on NoSQL based ORM frameworks like Mongoose Connector and Cassandra Node Driver.

• Designed and created highly scalable, highly available, fault tolerant, highly secured, distributed infrastructure (IAAS) using AWS EC2 instances, S3, EBS, ELB, API Gateway, Route 53, Cloud Front, Auto Scaling, Elastic Beanstalk, VPC, Cloud Watch, Cloud Trial, RDS, SNS, SQS.

• Hands-on experience with design patterns like MVC, Business Object, Value Object, Singleton, Factory Pattern, Business Delegate, Session Facade, Service locator, Front Controller and DAO pattern.

• Authenticated Users accessing Restful services using OAuth 2.0, OID, OIDC and JWT (Json Web token).

• Integrated security functionality using spring security and Site minder (SSO).

• Maintained and developed Docker images for a tech stack including Cassandra, Kafka, and Apache.

• Experience in using configuration management tools like Puppet, Chef and Docker.

• Experience in messaging queue services like IBM MQ, Rabbit MQ, Active MQ and Apache Kafka.

• Experience with build tools like Ant, Maven, and Gradle for building and deploying applications.

• Experience with UNIX and Shell scripting.

• Solid experience in Apache Subversion (SVN) and Jenkins and Bamboo Continuous Integration Server. Integration testing of the applications using Selenium and behavioral testing using Cucumber.

• Implemented Test Driven Environment (TDD) Used JUnit, Mockito, and Sonar for Unit testing.

Technical Skills:

Languages

Java 7/8/11, J2EE, J2SE, XML

Web Technologies

SERVLETS, JSP, JavaBeans, Java Servlet API

J2EE Technologies

JSP, Servlet, Spring 2.x/3.x, Struts/Struts 2, Hibernate 3.x, Expression Language, JPA, JDBC, Java Mail, EJB, JMS, AMQP, Apache Camel, Oauth1/2

Application/Web servers

Apache Tomcat, IBM Web Sphere, Jetty, Jenkins, Web Sphere MQ

Databases

Oracle, SQL server, MySQL, DB2

Internet Technologies

HTML5, JavaScript, CSS3, JQuery, Angular JS, Bootstrap, React JS, Node JS

Cloud Environments

AWS, Netflix Eureka

IDE

Eclipse, Net Beans, IntelliJ, Spring Tool Suite (STS)

Message Queues

JMS, Active MQ, Rabbit MQ, Kafka

Defect tracking Tools

JUNIT, JIRA, Bugzilla

Reporting Tools

Jasper Reports, Crystal Reports XI, SSRS

Methodologies

Agile, waterfall, TDD (Test-Driven-Development), Scrum

Build Tools

Ant, Maven, Gradle

Web Services

SOAP, REST

CI/CD

Jenkins, Docker, Kubernetes, Terraform

Version Control Tools

Git, Gitlab, Github, Big Bucket, SVN

Professional Experience:

Client: Vanguard, Malvern, PA Jan 2023 – Till Date

Role: Sr. Java Full Stack Developer

Description: The Vanguard Group, Inc. (commonly known as simply Vanguard), is an American registered investment advisor based in Malvern, Pennsylvania, offering a broad selection of investments, advice, retirement services, and insights to individual investors, institutions, and financial professionals.

Responsibilities:

• Worked in Software Development Life Cycle for the design and development of the services starting from requirement gathering to maintenance.

• Developed the UI using HTML5, CSS3, JSP and JavaScript for interactive cross-browser functionality and complex User Interface. Worked on Angular 11 framework to develop interactive websites based on client needs.

• Involved in development of a login portal using Angular 11 framework with HTML5, CSS3 and Typescript included for single-page applications.

• Used Bootstrap and media queries to create a Responsive Webpage across different screen-sizes. Also used dynamic imports in router configuration from Angular 11 which enable the use of import statement for lazy loading the module.

• Design and developed the application using framework Angular 11 with HTML5, CSS3 and Typescript. Also Developed application using Java 11 to implement its features.

• Used Ajax for sending and retrieving data from server by giving URL to get JSON data for models and to populate models from the server, Used Angular 11 to create views to hook up models to the DOM and synchronize data with server as a SPA. And Used Angular 11 to create Controllers to handle events triggered by clients and send request-to-server.

• Worked with all the modules of the application based on spring architecture and developed applications using Java 11, J2EE, and JavaScript with JDK.

• Involved in the development of the project back-end layer using most of core java features such as Collection frameworks, Interfaces, Multi-threading, and Exceptions.

• Implemented various features of spring framework such as Dependency Injection, IOC, Annotations, and spring integration with Hibernate. An integrated application with Spring Security for form-based authentication and authorization by using spring security JSP tags to provide UI level spring security.

• Stored authentication and authorization detail in database, used these DB authorization details with spring security annotation on method for apply method level spring security.

• Deployed Micro service architecture using Pivotal Cloud Foundry (PCF).

• Implementing or exposing the Micro services to base on Restful API utilizing Spring Boot with Spring MVC.

• This functionality is implemented by developing Restful web services using spring boot, Spring Restful template. And Created and Consumed Web Services using Restful & SOAP web services.

• Used Spring Restful web services for designing the endpoints and using Java 11 applied Multithreading in Spring MVC on data export to reduce process time. Worked on Micro services architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka, Zookeeper to establish communication between the Micro services in the application.

• Developing the connections between the Java Objects and database entities using Hibernate and JPA Mappings.

• Involved in using React JS components, Forms, Events, Keys, Router, Animations and Flux concept. And Implemented Micro services architecture with Netflix, Spring Eureka, Spring Ribbon using Spring Boot to provide client-side load balancing in calls to another Micro services for making application into smaller chunks and the Spring Hystrix as circuit breaker and for the fail-safe.

• Deployed Docker contained spring boot micro services into AWS EC2 container service using AWS admin console and used lambda to run applications in AWS console.

• Involved in Analysis, Design, and Implementation of software applications using Java, J2EE, XML and XSLT, React JS and Web Services (REST) And Implemented Swagger for the Rest API. I have good experience in Docker to deploy applications quickly, setup CICD pipeline and I have used Docker consoles for managing the application life cycle and monitored on Git.

• Experience with building Docker Images and running them on Docker container and Configured and Maintained AWS ECS Repository for Deploying Docker Image by creating a task definition, scheduling tasks and configuring clusters in the AWS ECS Console, Experience In setting up of AWS RDS and Dynamo DB.

• Developed code with Java SDK to connect with AWS Services. Worked with S3 for storing and retrieving data stored in the S3 buckets, AWS SQS for bulk email processing, Data backup and archiving on AWS using S3 and Glacier and Dynamo DB to store the data for metrics and backend reports.

• Used AWS SDK for connection to AmazonS3 buckets as it is used as the object storage service to store and retrieve the media files related to the application. And involved in Front-end designing using HTML5, CSS3, JSF, Servlets, JSP, SWING, Ajax, and React JS.

• Implemented Continuous Integration of automation framework using tool Jenkins Also Implemented Continuous Integration of automation framework using tools like Jenkins and Integration of automation batch run job with Jenkins. Worked with Jenkins Continuous Integration (CI) tool.

• Used Log4j for logging and debugging and used JUnit extensively for testing. Also Used Mockito Framework for Junit.

• Database development required in creation of new tables, PL/SQL stored procedures, functions, views, indexes and constraints, triggers and required SQL tuning to reduce the response time in the application.

• Focused on Test Driven Development (TDD) methodology thereby creating detailed JUnit tests for every single piece of functionality before writing the functionality.

• Good knowledge of Functional testing using IBM Rational Functional testing tool And SVN was used for project management and version management. Deployed the application on Tomcat 8.0 application server.

Environment: Java 11, Spring, Hibernate 4.2, Spring security, Spring JTA, Spring Boot, JPA, Java Script, Angular 11, HTML5, CSS, JMS, AWS (S3, VPC, EBS, ELB, Auto Scaling, Cloud Watch, Cloud Trail, IAM, SNS, SQS, RDS, Dynamo DB), Tomcat Application Server 8.0, Eclipse, SOAP, Restful, Maven, log4j, JUnit, Splunk, SVN.

Client: The Cigna Group, Bloomfield, CT May 2021 – Dec 2022

Role: Sr. Java Full Stack Developer

Description: The Cigna Group is a for-profit American multinational managed healthcare and insurance company based in Bloomfield, Connecticut. Its insurance subsidiaries are major providers of medical, dental, disability, life and accident insurance and related products and services.

Responsibilities:

• Designed and developed Micro services business components using Spring Boot.

• Implemented Restful Web services in Service Oriented Architecture (SOA) to retrieve data from client side and made REST API calls from Angular and parsed the data to client.

• Setup and built AWS infrastructure various resources, VPC, EC2, S3, Dynamo DB and RDS in Cloud Formation JSON templates. Provided Security and Authorization using Spring Security.

• Consumed REST based Micro services with Rest template based on Restful APIs.

• Used Angular 6/8/9, HTML, JavaScript, Bootstrap, JQuery, JSF (Rich Faces/Prime Faces) programming for creating GUI interface of the web page and to get AJAX functionality for the website.

• Developed Open stack API to Integrate with Amazon EC2 cloud-based architecture in AWS, including creating machine Images and worked on AWS, High Availability Practices and deploying backup/restore infrastructure.

• Performed form validations using reactive forms from the Angular 9 framework.

• Created reusable components, Custom modules, Custom Directives, pipes, services in Angular 9.

• Created Angular 9 components, implemented interpolation, input variables, bootstrapping, NgFor, NgIf, Router outlet, binding the events, decorators.

• Created Angular 9 Directives, Components, Pipes, Injectable across the whole system, such as to build the custom filter. Implemented MVC design pattern to organize Angular controllers, custom directives, factories, and views.

• Created Angular 9 controllers, services and used Angular filters for filter functionality in search box and integrator functionalities.

• Involved in Web application development for backend system using HTML5, CSS3, Angular 9/11, PrimeNG, Typescript and Angular CLI. Implemented a Node.js server to manage authentication.

• Implemented Core Java concepts like Multithreading, Collections, I/O, Generics, and Exception Handling for complex business requirements. Learned to implement Java 11 with Hibernate in IntelliJ platform.

• Migrated all the dependencies from Java 1.8 to the latest stable versions Java 11.

• Used Java 11 features such as Lambdas, Streams, Observables, and Completable Futures.

• Experienced first-hand the best/worst practices for integrating Micro services into existing system architecture.

• Worked with Node JS framework including authoring complex directives, services, controllers, and filters.

• Developed, run and scheduled queries using SQL and T-SQL scripts.

• Working on AWS Lambda for event driven workflow, working on Databases, Creating and Hosting micro services on EC2 Instances, and automating things using JSON Scripts, Creating Endpoints for the services, integrating through API's, involved in creation of APIs and API Gateways for by establishing Secure connection between the end-points.

• Used Micro service architecture, with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.

• Expertise in Docker for convenient environment setup for development and testing. Installed Docker Registry for local upload and download of Docker images and even from Docker hub.

• Ran Log aggregations, website Activity tracking and commit log for distributed system using Apache Kafka.

• Created plugins to extract data from multiple sources like Apache Kafka, Database and Messaging Queues.

• Involved in writing XML configuration file for Hibernate-Database connectivity.

• Used Hibernate mappings, relationships between tables and entity classes to access and update information in the database. Implemented modules into Node.JS to integrate with designs and requirements.

• Utilized Kubernetes and Docker for the runtime environment of the CI/CD system to build, test, deploy.

• Packaged and deployed the application in IBM Web Sphere.

• Used Maven building tool for creating EAR file deployed in application servers and used for dependency management of code in application.

• Defined AWS Security Groups which acted as virtual firewalls that controlled the traffic allowed to reach one or more AWS EC2 instances.

• Created Stored Procedures, functions, views, indexes and constraints, triggers required SQL tuning to reduce the response time in the application. Built NoSQL schemas and maintaining sessions by Mongo DB.

• As a version control tool, I used GIT and IDE as Eclipse to build the code.

• To identify user login information written UNIX shell scripts.

• Developed and executed unit test cases using JUnit. For application logging and notification used Log4J.

• To keep track of issues and tasks on individuals used the JIRA ticketing system.

Environment: Java 8/11, Agile, Scrum, Spring, Spring Boot, Spring Security, Spring Data, Hibernate, JPA, JSP, Angular 6/8/9/11, JavaScript, AJAX, JQuery, Bootstrap, Node JS, Jenkins, Kafka, XML, AWS, Micro services, Cassandra, Restful, Docker, Kubernetes, SQL, Oracle 12c, Mongo DB, GIT, JUnit, Maven, Log4j, JIRA.

Client: American Express, Phoenix, AZ May 2019 – April 2021

Role: Java Full Stack Developer

Description: This project will create an online monitoring solution for our GNS partners to be used by their commercial card clients CCLR. This will be an intuitive solution with a dashboard front end and role based access to dynamic reports and as an enhancement we have implemented DSS level Single Sign On secured credential for all the corporate users.

Responsibilities:

• Involved in programming, testing, debugging, implementing and maintaining Java EE client/server distributed applications to meet the organizational needs.

• Used Java 8 Lambda expressions and Stream API to support functional-style operations on streams of elements.

• Worked on Java functional programming concepts like Streams, Functional Interfaces, new date time API and lambda expressions.

• Worked and implemented a SPA (Single Page Application) using Angular 8, Typescript, Angular-CLI, Bootstrap and Web pack. Developed various feature specific modules and implemented module wide routing in the application using Angular router module.

• Have implemented reprocessing the failure messages in Kafka using offset id and have worked on real time data integration using Kafka. Deployed Spring Boot based micro services Docker container using Amazon EC2.

• Created various reusable components and developed unit test cases using Jasmine and Angular test bed and performed end to end testing using Protractor.

• Designed and developed the application using agile methodology and followed TDD and Scrum.

• Used Splunk Tool for debugging Issues in Production and Responsible for Developing Member Portal Application components using Java, UI Technologies such as HTML5, CSS3, JavaScript, Typescript, React JS, Redux, Node JS, and Angular 8 components.

• Designed and maintained middleware architecture for enterprise-level applications, ensuring optimal performance and scalability.

• Responsible for making Member portable Application which enables users to login, update and to enter information, and to perform many other data entry tasks using Angular 8 make the forms more reactive and robust.

• Worked on React JS components, Forms, Events, Keys, Router, Animations and Flux concept.

• Implemented React-Router, React-Redux architecture, ES5, ES6, Web pack and Grunt to turn application into Single Page Application (SPA).

• Created REST API documentation using Swagger and created Docker compose YAML file and Docker file to create Docker images and containers.

• Used Spring IOC, AOP, and Spring Boot to implement the middle tier.

• Used Spring Boot at backend which helps to develop application with ease. Recommend and develop strategy for integrating internal security model into new projects with Spring Security and Spring Boot.

• Developed server-side application to interact with database using Spring Boot and Hibernate.

• Created REST micro services using Spring Boot and took part in enhancing existing Java and spring applications.

• Created new entities and JPA repositories using Spring JPA and created REST validations for XML and JSON requests for REST controllers.

• Developed Micro services on boarding tools and Jenkins allowing for easy creation and maintenance of build jobs and Kubernetes deploy and services.

• Involved in writing SQL scripts and creating backend database tables for complex business operations.

• Involved in writing queries, stored procedures and modifications to existing database structure as required per addition of new features.

• Used Micro services architecture with Spring Boot based services interacting through a combination of REST and Apache Kafka message brokers.

• Worked on Log4j API for logging in development, testing and production environments, configured to send email notifications.

• Implemented version controlling using GIT and used Jenkins for continuous integration. Wrote build and deployment scripts using Maven on the UNIX environment.

• Worked using spring boot Micro services to process the messages into the Kafka cluster setup and implemented Kafka producer and consumer applications on Kafka cluster setup with the help of Zookeeper.

• Implemented a distributed messaging queue to integrate with Mongo DB using Kafka and Zookeeper.

• Responsible for CI/CD process implementation using Jenkins along with LINUX Shell scripts to automate routine

• Worked in setting up Linux Environment on AWS cloud infrastructure, migrated corporate Linux servers from physical servers to AWS virtual servers. Created detailed AWS Security groups which behaved as virtual firewalls that controlled the traffic allowing reaching one or more AWS EC2 instances.

• Developed queues using AWS SQS with JMS for services to subscribe and listen to events using Spring JMS.

• Created cloud formation templates in setting up DEV, QA and UAT environments using AWS Cloud formation and leveraged Elastic container services to run Docker micro services in AWS.

• Worked with Jenkins in setting up CI/CD pipeline for dev environment and involved in setting up GIT web hooks.

• Worked on end-to-end testing implementation using protractor, cucumber and chai.

Environment: Java 1.8, HTML 5, CSS 3, Bootstrap, SASS, Angular 4/6/7/8, JQuery, Typescript, Node.js, JSON, XML, MySQL, Mongo DB, Spring MVC, Spring boot, Spring JPA, PL/SQL, AWS, Kafka, JMS, Restful, Maven, Jenkins, Rally, Rational Rose, GIT, STS, Protractor, Jasmine, Karma, Docker, Jenkins, Linux.

Client: AT & T Dallas, TX May 2017 – April 2019

Role: Java Full Stack Developer

Description: Omni Channel is Incubator responsible for adding new features in wireless buy flow for better customer experience. As a part of this project added new “My Favorite Store” functionality to allow users to set nearby store as favorite store for exact product availability and pickup options in selected store.

Responsibilities:

• Participated in Agile (Scrum) methodology and Involved in Design, development, System testing and UAT.

• Implementation of the design wireframe using Angular 6 and creating services and exposing it to the backend which runs on Spring Boot. Here we also have another layer that makes use of Node JS mainly used for authentication, authorization, and session maintenance.

• Developed UI application initially using Angular 4 and made use of customized components. Also developed key services for authorization and authentication in Node server, where we used LDAP. Later migrated the authentication from LDAP to Ping Access-SSO (Single Sign On) Application.

• Implemented customer side validations using Angular 6 and created services on UI for storing and retrieving data from UI to the backend.

• Strong understanding on client-side application and very good at attaining the architectural design for MVC using directives, promises and pipes.

• Made use of Reactive Forms using Angular 6 where most of the validation is done using components rather than using template-driven which provides in HTML.

• Used Spring Boot which is radically faster in building cloud Micro Services and develop spring based application with very less configuration.

• Extensively used React-Router techniques Axios service to retrieve data from server synchronously. And Involved to implement various screens for the front end using React.js and used various predefined components from NPM (Node Package Manager) and Redux library

• Implemented Elastic Search for caching to enhance the performance of application. And Implemented Node JS as a server-side proxy for observing various response time. Also Implemented modules into Node JS to integrate with designs and requirements.

• Used Node Package Manager (NPM) to manage modules & used it to install useful tools as Grunt and Express. Also Used Express JS which is a fast, assertive, essential, and moderate web framework of Node.js that helps manage a sever and routes. And Worked with Express JS which gives MVC Structure to the Node JS.

• Built-in AJAX HTTP Service with observables is used extensively for making quick and incremental updates to UI of the application.

• Worked with Cassandra Node Connector for database persistence to interact with Cassandra. And worked in integrating JMS with spring boot by providing an instance which is embedded with Active MQ.

• Implemented Spring Netflix Zuul API gateway and Eureka service registry for reverse proxy of API’s.

• Deployed frontend application using AWS S3 and configured CORS to consume Restful services from another domain. Also Deployed Spring Boot based micro services on Docker containers using Amazon ECS.

• Experience in introducing Docker utilizing Docker tool compartment. Condition provisioning arrangements utilizing Docker.

• Authenticating Users and to provide the security to Restful web services using OAUTH 2.0. And Using Swagger Framework, actualizing the Restful API and Swagger gives the rich UI to test API.

• Worked on unit test cases using Karma and Jasmine on client side. And wrote comprehensive Unit test cases using JUnit and Spock.

• Load data from various data sources into HDFS using Kafka. Also worked with the configured and maintained Jenkins to implement the CI/CD process.

Environment: Angular 4/6, Node JS, HTML5, CSS3, Bootstrap, ES6 JavaScript, React-Axios, AJAX HTTP Service, Typescript, Spring boot, JPA, JQuery, OAuth2.0, Apache Kafka, Active MQ, Jenkins, Bamboo, Log4j, MY SQL, Cassandra DB, Elastic search, NPM, Web pack, Restful, EC2, AWS S3, Junit, Docker, Karma, Jasmine, Java 8.

Client: Posidex Technologies PVT LTD, Hyderabad, India Jan 2014 - July 2015

Role: Java/J2EE Developer

Responsibilities:

• Involved in Requirements gathering, Analysis, Design, Development and Testing of application using AGILE methodology (SCRUM) in a test-driven development (TDD) approach.

• Participated in design and development as a Core Java and J2EE Software developer. Understanding software requirement and utilizing apposite technology to enunciate most apposite data flow between front end and back end technologies.

• Experience in developing, deploying, and testing applications in an AWS environment using DevOps tools such as Jenkins and Docker.

• Developed and designed the web interface using HTML5, CSS3, JavaScript, JQuery, Angular 2 and Bootstrap.

• Built Components using Angular 2 and worked on Angular directives. Implemented lazy loading and dynamic loading in the Angular routers. Worked on Typescript for building the code.

• Implemented HTTP requests using RxJS Observable library to handle multiple values over time.

• Developed prototype and project layout skeletons using Angular 2, JQuery, HTML5, and CSS3.

• Used various JQuery and Bootstrap plug-in like date picker, Bootstrap selectors.

• Implemented Micro services into existing system architecture. Developed Micro services business components and Restful service endpoints using Spring Boot.

• Developed multiple enterprise applications using Spring Boot, Hibernate framework, Spring IOC, Spring MVC, Spring JDBC, Spring Annotations, Spring AOP, Spring Integration, frameworks, Restful web services.

• Implemented authentication and authorization for the application using Spring Security and Oauth2.

• Worked on Java 8 Lambda expressions and Pipelines, Streams.

• Implemented Spring IOC for...

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