React.js Developer - HTML5/CSS3/Javascript

Job title : React js Developer

Experience : 4 - 7 Yrs.

Location : Remote

Notice period : 0-7 days

JOB DESCRIPTION :

Must Have : React js , Redux , Redux saga , React testing library (RTL)

Key Requirements :

- Hands-on knowledge of HTML5, CSS3, JavaScript

- 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 React.js, its core principles - lifecycle methods, React Hooks, virtual DOM etc. and at least 6 - 12 months hands-on experience with the same

- Understanding of one-way data flow and the Flux/Redux 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 React.js 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

- Moderate to Strong graphics manipulation/optimization skills using Photoshop is a plus.

Knowledge & experience of the below skills will earn additional brownie points :

- Good understanding of REST APIs and Microservices.

- Should have an understanding of how resources are organized and how an application should align based on the same. You are expected to have an understanding of how CRUD operations map to HTTP methods for a well-designed service.

- Hands-on with DevOps pipeline and able to tweak/change build/deployment pipeline as needed in the context of a module (e.g. Jenkins / Travis / Now.sh / Gitlab)

- Experience with configuring Webpack from scratch and working knowhow of Rollup / Parcel.