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Senior Engineer - Arch and Mobile & Web Eng

American Express
🏒 American Express πŸ‡ΊπŸ‡Έ New York, NY, US πŸ•‘ March 14

This job offer is expired

We are looking for a great JavaScript developer who is proficient with React.js. Your primary focus will be on developing user interface components and implementing them following well-known React.js workflows (such as Flux or Redux). You will ensure that these components 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.

Responsibilities:

  • Developing new user-facing features using React.JS and building reusable 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

Qualifications

Qualifications:

  • Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
  • Expert level hands on experience and understanding of React.js and its core principles
  • Experience with popular React.js workflows (such as Flux or Redux)
  • Familiarity with newer specifications of EcmaScript
  • Experience with data structure libraries (e.g., Immutable.js)
  • Knowledge of isomorphic React is a plus
  • CSS preprocessors like Sass or LESS
  • Experience with common front-end development tools such as Grunt, Gulp, Bower, Babel, Webpack, NPM, etc.
  • Unit Testing with Karma or Jest
  • Familiarity with RESTful APIs
  • Knowledge of modern authorization mechanisms, such as JSON Web Token
  • Familiarity with modern front-end build pipelines and tools
  • Ability to understand business requirements and translate them into technical requirements
  • A knack for benchmarking page performance and implementing optimization
  • Familiarity with code versioning tools - Git

Education:

  • B.S. or equivalent degree in Computer Science is desired

Employment eligibility to work with American Express in the U.S. is required as the company will not pursue visa sponsorship for these positions.

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