Senior Front-End Engineer (React/Shopify)

We are looking for an experienced Frontend Engineer who is passionate about delivering exceptional user experiences. You’ll be working across multiple digital products, including our core platform, marketing websites, Shopify storefront, and Builder. Io-based content. This role involves close collaboration with design, product, and backend teams to bring seamless and performant web interfaces to life.

You’ll help shape our frontend architecture, build reusable components, and optimize both performance and maintainability. If you’re excited about customer experience, performance, and clean UI code, we’d love to hear from you.

Responsibilities

• Develop responsive, scalable web applications using ReactJS and TypeScript

• Build and maintain customer-facing experiences for the InsideTracker web platform and Shopify store

• Integrate Builder. Io-based content management into product and marketing pages

• Translate Figma/UX/UI designs into high-quality code

• Maintain and evolve a reusable design system and component library

• Work closely with backend engineers to consume RESTful APIs

• Conduct thorough cross-browser and cross-device testing

• Participate in code reviews, contribute to technical documentation

• Support the continuous improvement of frontend build tools and processes

• Collaborate in Agile teams using Scrum/Kanban methodologies

Requirements

• BS/MS degree in Computer Science, Engineering, or related field

• 5+ years of experience building modern web applications

• Strong proficiency in ReactJS, JavaScript (ES6+), and TypeScript

• Experience working with Shopify: themes, Liquid templates, storefront APIs, and custom apps

• Familiarity with Builder.io and headless CMS integrations

• Advanced skills in HTML5, CSS3, SASS/LESS, and responsive design principles

• Comfortable with frontend build tools such as Webpack, Gulp, and Grunt

• Experience using Git for source control and versioning

• Understanding of RESTful service integration

• Knowledge of testing tools and practices for frontend code

• Ability to thrive in a fast-paced, collaborative team environment

• Bonus: familiarity with Java or full-stack development is a plus