UI Engineer – Next.js

SUMMARY

This engineering position will be primarily responsible for crafting highly available, fault tolerant digital interfaces using a modern JavaScript technology stack. This critical role will need to work across multiple platforms, systems, and departments in an agile environment.

This position will work in a React and associated technologies (i.e., Next.js, Redux, Apollo) codebase. All work done is expected to be covered by automated unit tests, so this position should have a strong understanding of automated testing and test-driven development. This position uses mobile-first design patterns and progressive web application development. An understanding of deployment, code management, and cloud infrastructure is a must, as this position will be involved in cloud-based delivery and deployment of new code and existing applications.

REQUIREMENTS ESSENTIAL

• 4-7+ years’ experience working with UI and Mobile development teams – preferably in an Agile development environment writing highly available, functional software and applications.
• Displays excellent communication skills to both technical and non-technical personnel.
• Helps scope engagement by providing detailed development time estimates and participating in the scrum process (e.g., refinement, standups, etc.).
• Ability to performance tune, debug, and troubleshoot medium to large scale client-side and Node based web applications.
• Experience working on single page applications, using JavaScript and CSS pre-compilers.
• Familiar and comfortable with automated-tested development, writing unit cases and achieving 100% code coverage.
• Develop web applications using mobile-first responsive design.
• Experienced and proficient with enterprise Node.js and server-side JavaScript, with experience with ExpressJS, Apollo Server and GraphQL.
• Expert knowledge of HTML, CSS, JavaScript, and modern client-side development using APIs, HTTP requests, and JSON data structures.
• Single Page Application (SPA) experience (Angular, Vue) with experience and preference for React associated libraries and frameworks.
• Experience with JavaScript pre-compilers (e.g., WebPack, Vite, TypeScript) and CSS pre-compilers (e.g., Sass and CSS Modules).
• Experience with modern JavaScript development, leveraging ES6, and ES6 design patterns.
• Conceptual understanding of Content Delivery Networks (CDN) and Caching, and their utility in offloading traffic and improving site performance.

PREFERRED

• Knowledge of retail industry
• Experience writing unit tests in Jest.
• Experience working with React, Redux, and Apollo Client
• Experience working with progressive web applications.
• Experience and understanding of cloud based infrastructure, deployment, and code management.
• Experience working with NodeJS, ExpressJS Apollo Server and GraphQL
• Experience working with Sass and CSS Modules.
• Experience working with the pre-compilers WebPack and Rollup.
• Experience in source code management, using Git and Gitflow.
• Experience in using and knowledge of Web services and APIs.
• Familiar with application performance monitoring, both client-side and server-side.
• Ability to setup their own development environment.