Senior Fullstack Software Engineer, CMS

Role Overview

As a Senior Software Engineer on the CMS Team, you will create the authoring experience that enables merchants to manage their account, build and deploy their app, create marketing campaigns, and review business performance. You'll build a powerful graphical editor (React/Next.js) and CLI tools for developers to customize and extend apps from the command line.

Key Responsibilities

• Build an intuitive, drag-and-drop editor that visualizes app composition in real time
• Integrate AI across the feature set to unlock productivity gains
• Deliver command-line tools for scaffolding, custom code integration, version control support, and CI/CD pipelines
• Prototype new editor features in weekly sprints, validate with live merchants, iterate, and roll out to thousands of apps
• Write and maintain clean, testable code and comprehensive documentation for both the editor and CLI
• Work end-to-end from prototype to production, collaborating with product, design, and solutions engineering

Requirements

• 5-7 years of software engineering experience
• 3+ years of full-stack development with React + Next.js and TypeScript
• Strong understanding of state management (Redux, Zustand, Recoil)
• Experience with drag-and-drop libraries
• Familiarity with cloud deployments and hosting
• Ability to ship production-ready code in a fast-paced, cross-functional environment

Nice-to-Haves

• Shopify or ecommerce experience
• Prior work on editor/CMS applications
• GraphQL experience
• Background in UX, product, or design critique
• Contributions to open-source component libraries, command-line tools, or design-system tooling