1200 jobs - 18 added today
217958 registered Jobseekers
Recruiting? Call us on 01772 639042
Email me jobs relevant to my job search
3 months ago
American Express
Location: London
Job type: Permanent
Sector: IT
Category: Development Jobs
You’ll do more than the expected. You’ll do the unexpected.

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.



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

Offer of employment with American Express is conditioned upon the successful completion of a background verification check, subject to applicable laws and regulations.


Required skills:


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

Why American Express?

There’s a difference between having a job and making a difference.

American Express has been making a difference in people’s 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.

We’ve 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 they’re ready to take on a new career path, we’re 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.

Don’t make a difference without it.

Don’t live life without it.

A competitive benefits offering designed to support our employees’ total health and wellbeing, including:

* Health care scheme

* Defined contribution pension plan

* Dental scheme

* Virtual GP

* Life assurance

* Income protection

* Core holiday allowance with opportunity to buy or sell additional days

* Car Allowance/Company Car Option

* A range of flexible benefits to choose from designed to suit your lifestyle: healthcare plan options, health assessments, critical illness coverage, cycle to work, season ticket loans

* Employee Discount Portal

* Back up childcare/adultcare

* Onsite facilities include; Fitness classes, Health Checks, Digital Health Kiosk, Physiotherapy, Healthy Living Nurse, Wellness Studio, Costa Coffee and subsidised staff restaurant

To complete your application please click on the links below.However,If you require any assistance with the completion of this process or need any reasonable adjustments to be made then please contact the Campus Recruitment Team.

ReqID: 19010882
Schedule (Full-Time/Part-Time): Full-time
Date Posted: Jun 7, 2019, 4:34:07 AM

Email me jobs relevant to my job search

  Back to the top