PS|Lead Experience Engineer|ReactJS|Delivery|Engineering| Engineering|Engineer

Company Description

Publicis Sapient is a digital transformation partner helping established organizations get to their future, digitally enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our 20,000+ people in 53 offices around the world combine experience across technology, data sciences, consulting and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value.

As a Lead Experience Engineer, you’ll be working as part of an agile team with other passionate, driven, and talented people, creating innovative solutions for our clients. Your primary responsibilities will include developing interactive web-based, mobile, and/or desktop applications using Sapient as well as industry best practices to deliver high value and quality to Publicis Sapient clients.

• 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 and service orchestration in some cases) using best engineering practices like test-driven development, SOLID principles and consideration of non-functional requirements like performance, scalability, security or cloud readiness (as applicable) at the story level
• Automates testing at unit, module and integration level as needed using tools relevant for the platform (e.g. Jasmine, Jest, Karma, Webdriver.io etc.)
• Focus on quality by implementing best practices like logging, calling out technical debt, meeting KPIs using code quality tools like Sonar Qube, ESLint (customize and sync with Sonar), Stylelint/Sasslint and so on.
• Hands-on with automating redundant work, like common component structure, both in terms of scaffolding as well as using the right design patterns / creating abstractions.
• Mentor junior engineers in helping review code, guiding on technical decision making

Your Skills & Experience

• 6 to 10 years of Experience in Front End Technologies
• Hands‑on knowledge of HTML5, CSS3, Java Script
• 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, using transpilers like Babel to use features from all stages
• Good understanding of creational and structural design patterns in Java Script
• Experience working with Single Page Applications (SPA) with universal rendering capabilities.
• Good understanding of React.js, and its core principles - lifecycle methods, virtual DOM, etc.
• 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 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, and CPU/Memory profiling on the browser.
• Hands‑on experience with test‑driven development using Jest or equivalent. Familiar with snapshot testing, and code coverage. Experience working with utilities like Enzyme
• Experience using fluid grids, and building responsive/adaptive websites using Bootstrap, etc.
• Understanding SEO and accessibility and making it part of the development workflow

• Logically understands…