Role and Responsibilities:Must have 5+ Years of Experience as a Sr. React.js UI DeveloperStrong proficiency in JavaScript, including DOM manipulation and the JavaScript object model- Thorough understanding of React.js and its core principles- Experience with popular React.js workflows (such as Flux or Redux) OR React Hooks - Familiarity with newer specifications of EcmaScript- Experience with data structure libraries (e.g., Immutable.js)- Knowledge of isomorphic React is a plus , React Hooks- Familiarity with RESTful APIs- Knowledge of modern authorization mechanisms, such as JSON Web Token- Familiarity with modern front-end build pipelines and tools- Experience with common front-end development tools such as Babel, Webpack, NPM, etc.- Extensive backend development experience in Java/J2EE, RESTful Web Services with Spring Boot - Must have experience in UI Screen Mockups and then implementing them.- Be able to take high level UI design ideas and converting them to mockups.- Being able to share a portfolio of UI work done.Nice to have: - Python development