Responsibilities:

• Collaborate with Product Designers, Product Managers, and Engineers to develop and iterate on tooling for AB testing, Content Management, and Developer Productivity.
• Own, create, review, and provide feedback on technical design proposals and proofs of concept.
• Mentor and be mentored by other engineers via leading and collaborating in engineering discussions and evangelizing engineering best practices.
• Promote a culture of operational excellence by meticulously testing and monitoring our systems and code, writing documentation, and being on-call to support the health of our services.
• Improve upon our existing monitoring and alerting solutions.
• Design, build, ship, and maintain reusable systems that drive our complex web applications.

Skills & Qualifications:

• 6+ years of front-end experience
• Experience with our front-end technologies – React, TypeScript, NextJS, NodeJS, Webpack, and GraphQL.
• High degree of fluency in JavaScript and/or TypeScript – you are a strong coder and know how to write clean, effective code at scale.
• Familiarity with continuous integration, automated testing, and deployment tools like CodeFresh (preferable), GitHub Actions, Travis, or similar.
• Experience configuring and utilizing dev and build time tooling such as ESlint, Prettier, type checking, and unit tests to decrease runtime errors
• Knowledge of how performance on the web is measured, and experience with tools such as Lighthouse, Runscope, Sentry, SpeedCurve, and/or Datadog.
• Experience debugging and improving performance across the FE stack, including React
• Experience with JavaScript module bundlers such as Webpack and Rollup, and opinions on when and how best to use them

Nice To Have:

• Experience with multi-package manager tools like turborepo/lerna and how to publishing public and private packages to various registries
• Knowledge of design systems and/or component libraries
• Familiarity with Content Delivery Network (CDN) caching of static assets and static/dynamic web pages.
• Understanding of the hows/whys of es6 syntax and how it relates to static analysis and tree shaking
• Past experience building and maintaining custom server side rendered applications or contributing to open source repositories such as NextJS, Gatsby, or Razzle.
• Experience working with a Headless CMS such as Contentful or Wordpress JSON API 
• Optimizely or similar AB testing platform experience
• You have worked with Typescript on both the server and the client and have knowledge of best practices for compilation