Senior Frontend Developer React Js Job In Publicis Sapient In Bengaluru / Bangalore, Gurgaon / Gurugram

4+ years' experience Hands-on knowledge of HTML5, CSS3, JavaScript Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript - and practical uses in building complex interactive experiences, primarily with ECMAScript 2015+ You should be up-to-date with new specifications (different stages), and also, using transpilers like Babel to use features from all stages Good understanding of creational and structural design patterns in JavaScript Experience working with Single Page Applications (SPA) with universal rendering capabilities Good understanding of Reactjs, its core principles - lifecycle methods, virtual DOM etc and at least 6 12 months hands-on experience with the same Understanding of one-way data flow and the Flux architecture.

Understanding of stateful (container) vs stateless (presentational) components and how to break down the application page into components Core understanding of how React's state management works out of the box Understanding of different CSS architectures that go hand-in-hand with Reactjs application development Pros and cons of component-level CSS vs global and where to apply each Thorough understanding of Webpack bundler (version 2+) Good understanding of the Web Components standard.

Hands-on experience with building Progressive Web Apps (PWAs) on any framework Hands-on experience with Frontend Performance Optimization especially in a React application with respect to resource loading strategy, CPU/Memory profiling on the browser Hands-on experience with test-driven development using Jest or equivalent Familiar with snapshot testing, code coverage Experience working with utilities like Enzyme Experience using fluid grids, and building responsive/adaptive websites using Bootstrap etc.

Understanding of SEO and accessibility and making it part of the development workflow

Technical End-to-end Design For Stories By Collaborating With Business Analyst/product Owner, Technical Architect And Clients Implement Stories End-to-end, Which Includes Frontend, Backends For Frontend (bff), Caching

Publicis Sapient is looking for Any Graduate / Post Graduate profile candidates.