Offer summary

Qualifications:

7+ years of experience with React and/or Angular JavaScript frameworks., Strong expertise in JavaScript/ES6 and performance testing tools like Lighthouse., Ability to write clean, modular, reusable code and experience with unit-test driven development., Familiarity with build tools and Continuous Deployment practices is a plus..

Key responsibilities:

Mentor and train teams on site performance and code optimization.

Conduct performance analysis on Core Web Vitals to identify optimization opportunities.

Implement proofs of concept to measure technique effectiveness and identify constraints.

Troubleshoot performance-related production issues and stay updated on technology trends.

Job description

Job Description
Senior Engineer - Front-End - Performance

Primary Responsibilities:

Mentor and train feature development teams on how to implement site performance and code optimization improvements.
Conduct forensic performance analysis on Core Web Vitals to identify global/page-specific optimization opportunities.
Implement POC's to measure the effectiveness of a technique and to identify potential constrains and limitations to its implementation on our platform.
Identify and implement tooling to improve and automate site performance profiling, benchmarking and performance budgets.
Analyze and groom requirements (user stories) defined by the product owner and come up with technical design to support the requirement.
Troubleshoot and mitigate performance related production issues.
Stay up to date on the latest technology trends and techniques.
Responsible for client-side coding (HTML/CSS/JavaScript).

Core Competencies & Accomplishments:

Strong Javascript/ES6 expertise
Experience building high-performant, heavy-traffic sites using JS Frameworks (React, Angular, Ember, etc)
Ability to write clean, modular, reusable code (using design patterns) and experience with unit-test driven approach to development
Extensive experience with Synthetic and RUM tools (WebPageTest, SpeedCurve, Lighthouse, Catchpoint, etc.)
Knowledge of build tools (Webpack, Gulp, Grunt) and Continuous Deployment (Jenkins, Travis) is nice to have
7+ years of experience with React and/or Angular JavaScript framework application development

What We Use:

ReactJS
Redux/Redux Saga
WebPageTest
Quantum Metrics
NodeJS/npm
Webpack
ES6/Babel
Chai/Mocha
RESTful API
AWS

-Need to have 7+ years of true React experience -Need to have Lighthouse -Need to have performance testing and optimization -Comfortable with a live coding interview and 2 rounds of interviews
Location
, Remote

Required profile