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Senior Engineer- Front-End

Job Id : 2937

Jobtitle : Senior Engineer- Front-End

Location : California, San Jose

Company Name : American Express

Industry : Information Technology

Salary : $80,000 - $100,000  YEAR

Job type : Fulltime

Posted on: 2019-08-06

Required Skills : Engineering, Information Technology, Design

Benefits : No benefits are available

We are looking for a great JavaScript developer who is proficient with React.js.   Your primary focus will be on developing platform based application features and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these features and the overall application are robust and easy to maintain. You will coordinate with the rest of the team working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and quality product is important. You should have previous experience building web interfaces and a solid understanding of design language systems.   Responsibilities will include:

Developing new user-facing features using JavaScript with strong emphasis on React.js

Building reusable cross platform components and front-end libraries for future use

Translating designs and wireframes into high quality code

Optimizing components for maximum performance across a vast array of web-capable devices and browsers

Solid understanding on modular design and single responsibility principle


 Qualifications Required:

Strong proficiency in JavaScript and CSS, including DOM manipulation and the JavaScript object model

Thorough understanding of React.js, its core principles, and workflows (such as Flux or Redux)

Familiarity with newer specifications of EcmaScript

Knowledge of HTTP2 and websockets

Experience with data structure libraries (e.g., Immutable.js)

Knowledge of isomorphic React is a plus

Familiar with Server Side Rendering in JavaScript

Understanding differing security models, with knowledge of AuthN and AuthZ principles

Solid understanding of RESTful APIs and GraphQL

Solid understanding of JSON Schemas and OPEN API

Experience with modern front-end build pipelines and tools

Experience with common front-end development tools such as Babel, Webpack, NPM, yarn, etc.

Strong understanding of Accessibility and Web Standards

Experience with both Responsive and Adaptive Web Design

Experience with using design language systems or similar

Ability to understand business requirements and translate them into technical requirements

Ability to perform benchmarking and optimization

Ability to debug performance and memory issues in complex JS applications. Employment eligibility to work with American Express in the U.S. is required as the    company will not pursue visa sponsorship for these positions.    Why American Express?   Thereâs a difference between having a job and making a difference.   American Express has been making a difference in peopleâs lives for over 160 years, backing them in moments big and small, granting access, tools, and resources to take on their biggest challenges and reap the greatest rewards.   Weâve also made a difference in the lives of our people, providing a culture of learning and collaboration, and helping them with what they need to succeed and thrive. We have their backs as they grow their skills, conquer new challenges, or even take time to spend with their family or community. And when theyâre ready to take on a new career path, weâre right there with them, giving them the guidance and momentum into the best future they envision.   Because we believe that the best way to back our customers is to back our people.   The powerful backing of American Express. Donât make a difference without it.

Schedule (Full-Time/Part-Time): Full-time
Date Posted: May 6, 2019, 11:38:39 AM

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