Regan Senior Java Lead Email & Phone Number

Boston, Massachusetts, United States

• Utilized Java 8 features like Lambda expressions for collection evaluation and comparing the data Stream API for Bulk data operations on Collections, which would increase the performance of the application.• Used Parallel operations on collections for effective sorting mechanisms and to change the sequential stream flow of threads during session establishment.• Developed Restful services using the Spring Framework and handled access-control features like authentication and authorization by using Spring Security and OAuth 2.0 with JWT.• For communication between multiple services, I used Kafka and RabbitMQ messaging systems for pub-sub and feign, and Rest Template for synchronous communication.• Routing and Load Balancing are done with the help of the Zuul server as an API gateway, along with the Application load balancer of AWS and Ribbon as load balancer.• Designed, Configured, and deployed Amazon Web Services (AWS) for multiple applications utilizing the Amazon cloud formation templates.• Building reusable components and front-end libraries using Angular 12, adhering to best practices and design principles.• Ensuring cross-browser compatibility of angular applications, including testing and debugging of various browsers and devices.• Used log aggregators like ELK stack (Elastic Search, Logstash, and Kibana) for log analysis along with slf4j and log4j for debugging.• Microservices are implemented on Red Hat Open Shift based on Kubernetes, Etcd, and Docker to achieve Continuous Delivery.• I worked in CI/CD Development and Automation pipelines using Jenkins, Docker containers for build, deployment, and management.• Developed self-contained, reusable, testable modules, and components using dependency chain.• Cross-browser client-side development experience using HTML5, CSS3, JavaScript, and Angular.• Migrated existing Angular controllers to Angular 8 components for more responsiveness and less dependency.

New York, United States

Expertise in React JS components, Forms, Events, Keys, Router, Animations, Redux, and Flux.● Developed single page applications using react redux architecture.● Utilized Angular6 framework and Web pack module loader to create a Single Page Application (SPA) which can bind data to specific views and synchronize data with server. ● Practicing consulting on Snowflake Data Platform Solution Architecture, Design, Development, and deployment focused to bring the data driven culture across the enterprises.● Enhanced legacy application by building new components in Typescript and Developed single page applications using Angular 6, Typescript, web pack and grunt. ● Well versed with Snowflake features like clustering, time travel, cloning, logical data warehouse, caching etc.● Enhanced application performance by Angular 8 Component based development in view of future Angular framework transitions.● Used redux form to manage form state in redux.● Implemented Initial setup and component migration to Redux.● Worked with JASMINE in testing and Protractor for unit testing angular 8 modules.● Developed user interface by using the React JS, Flux for SPA development.● Implemented client-side Interface using React JS.● Developed Mapping for Data Warehouse and Data Mart objects.● Worked in using React JS components, Forms, Events, Keys, Router, Animations and Flux concept.● Build React components and stand-alone functions to be added to any future pages

Texas, United States

• Used agile practices and Test-Driven Development techniques to provide reliable, working software early.• Used angular-cli tool to configure project and building it for development of Angular apps using Angular7+.• Integrated the different pages to be a single page application using Angular 6+.• Designed and developed DataStage ETL Jobs to extract data from Oracle, DB2 & Sybase.• Created Typescript reusable components and services to consume API's using Component based architecture.• Worked with Typescript as part of migration from Angular JS to Angular 6+.• Data Warehouse is implemented using sequential files from various Source Systems.• Created responsive web pages using Bootstrap and wrote client-side application in a clean MVC model.• Implemented Two-way databinding in which helps the application handle the automatic synchronization of data between the model and view components using TypeScript.• Analyzed and designed a scalable system based on Object Oriented Concepts, OOAD and the various J2EE design patterns.• Experience with Snowflake cloud data warehouse and AWS S3 bucket for integrating data from multiple source system which include loading nested JSON formatted data into snowflake table.• Achieved scalable websites by focusing on accurate implementation of React JS and Redux

Bengaluru, Karnataka, India

Java Developer

Portland, Oregon Metropolitan Area

• Collaborated with Scrum Agile team members to review user stories and supporting requirements and translated them into a system design.• Worked on enhancing the existing product features to be more efficient.• Created and implemented DDL and DML scripts.• Designed Java classes to map the newly created database configurations.• Integrated Spring- Hibernate frameworks for ORM functionality in spring framework. • Used Java/J2EE Design Patterns such as DAO pattern, MVC pattern, Session Facade, singleton in the project extensively, which facilitates clean distribution of roles and responsibilities across various layers of processing. • Designed Java classes using Spring Framework to implement the Model View Control (MVC) architecture.• Performed Module and Unit Level Testing with JUnit and Log4j.• Worked on solving production incidents and fixing bugs.• Used SVN Repository for Version Control and JBOSS 6.0 as the application server.• Designed and developed the responsive User Interface using HTML, CSS, and Bootstrap.• Experience in creating new features and exposure to new Java Script updates in ES6.• Created cross-browser compatible and standards-compliant CSS based page layouts. Extensively used jQuery, JSON, AJAX and DOM scripting to create interactive web applications like message posting and autocomplete validation forms.• Worked with System Analyst and the project team to understand the requirements. • Prepared effective Test Scripts for each of the developed functionality.

India

• Used agile methodology for developing the application. • Developed using new features of Java 1.5 like Annotations, Generics, enhanced for loop.• Developed various generic JavaScript functions used for validations. • Developed screens using JSP, JavaScript, HTML and CSS. • Developed Web Services clients to consume those Web Services as well other enterprise-wide Web Services. • Created DDL and DML SQL scripts for creation of database objects. • Created logical and physical data models putting to practice, concepts of normalization and RDBMS. • Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes and used Oracle as a database.

India

• Used agile methodology for developing the application. • Developed using new features of Java 1.5 like Annotations, Generics, enhanced for loop.• Developed various generic JavaScript functions used for validations. • Developed screens using JSP, JavaScript, HTML and CSS. • Developed Web Services clients to consume those Web Services as well other enterprise wide Web Services. • Created DDL and DML SQL scripts for creation of database objects. • Created logical and physical data models putting to practice, concepts of normalization and RDBMS. • Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes and used Oracle as a database. • Used Core Java Design Patterns like Singleton, Factory, MVC, Intercepting Filter, Front Controller, Business Delegate, Service Locator, Session Facade and DAO. • Designed and implemented Struts (MVC Paradigm) components such as Action Mapping, Action class, Dispatch action class, Action Form bean, and a form set for validation and used JavaBeans to return dynamic information. • Used Spring Inheritance to develop beans from already developed parent beans. • Defined Multi Action, Abstract Wizard Form and Simple Form Controllers using Spring MVC framework providing very clean division between controllers, flexibility with the use of interfaces and providing thin web layer over business layer. • Used JSF framework in developing user interfaces using JSF UI Components. • Worked in all the modules of the application which involved front-end presentation logic developed using Tiles, JSP, JSTL and java script, XML Business objects developed using POJOs and data access layer using Hibernate.

Hyderabad, Telangana, India

• Created logical and physical data models putting to practice, concepts of normalization and RDBMS. • Created and injected Spring services, Spring controllers and DAOs to achieve dependency injection and to wire objects of business classes and used Oracle as a database. • Used Core Java Design Patterns like Singleton, Factory, MVC, Intercepting Filter, Front Controller, Business Delegate, Service Locator, Session Facade and DAO. • Designed and implemented Struts (MVC Paradigm) components such as Action Mapping, Action class, Dispatch action class, Action Form bean, and a form set for validation and used JavaBeans to return dynamic information. • Used Spring Inheritance to develop beans from already developed parent beans.