Senior Fullstack Software Engineer, Content Experiences

Tapcart is the leading mobile app platform for Shopify brands, helping marketers and eCommerce teams create differentiated customer experiences. As a Senior Software Engineer on the Content Team, you will own the component library and in-app features, delivering production-ready capabilities while collaborating with product and design teams to enhance mobile app development. Responsibilities: Design, ship, and maintain a reusable, type-safe React/Next.js component system; Prototype new UI and features in weekly sprints, validate with live merchants, and iterate to release to thousands of apps; Optimize bundle size, server-side rendering, client-side performance, and WCAG compliance; Build tooling (CLI, CI pipelines, linting) that makes it easy for outside developers to extend our product without limits Qualifications: 5-7 years of experience in software engineering; 3+ years of full-stack development with React Native, React + Next.js (TypeScript); Experience building and maintaining design systems/component libraries; Familiarity with cloud deployments and hosting; Ability to ship production-ready code in a fast-paced, cross-functional environment Required Skills: React, Next.js, TypeScript, React Native, Full-stack development, Design systems, Component libraries, Cloud deployments, Hosting, Production-ready code