JavaScript Developer

November 29, 2017

Website Canary Health

Canary Health is the leading provider of digital health self-management programs which includes a CDC approved online diabetes prevention program (DPP) and a chronic disease self-management program in an exclusive partnership with Stanford University’s Patient Education Research Center. We offer a dynamic, empowering environment where employees are able to impact the lives and health of our participants through their individual and group contributions. Our engineering team develops and maintains a suite of solutions that address the needs of our participant population at a global scale.

Job Description

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.


Developing new user-facing features using React.js

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

Provide guidance to the product and development team on technologies suitable to the need at hand

Support and maintain legacy applications

Attend all team meetings and scrum ceremonies


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

Thorough 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

A thorough understanding of HTML and CSS3

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

Knowledge of isomorphic React is a plus

Familiarity with RESTful APIs

Knowledge of modern authorization mechanisms, such as JSON Web Token

Familiarity with modern front-end build pipelines and tools

Experience with React.js integration with Ruby on Rails.

Ability to understand business requirements and translate them into technical requirements

A knack for benchmarking and optimization

Familiarity with code versioning tools such as Git

Familiarity with WebForms or .net front end technologies is a plus

At least 3 years of demonstrable front-end development experience

At least 2 years of React.js experience

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