Senior Shopify Software Engineer

AllPeople Marketplace is a community-owned e-commerce platform focused on values-based commerce and social impact. The company is seeking a Senior Shopify Software Engineer to build and maintain Shopify storefronts, headless commerce experiences, internal tools, integrations, and customer-facing applications. The role requires ownership across front-end and back-end development, architecture, debugging, deployment, and agentic engineering workflows.

Responsibilities:

• Build and maintain Shopify storefronts, custom applications, integrations, and internal tools
• Develop headless commerce experiences using React, Next.js, TypeScript, and modern web standards
• Build single page applications and server side rendered applications
• Work with Shopify APIs, webhooks, themes, checkout extensions, customer accounts, products, orders, inventory, discounts, and related commerce workflows
• Design and integrate REST and GraphQL APIs
• Build reliable front end and back end systems that are secure, maintainable, and easy to extend
• Use agentic engineering tools to accelerate research, planning, development, testing, documentation, and code review
• Break larger projects into clear technical tasks and deliver working improvements in manageable stages
• Participate in architecture decisions and recommend practical solutions based on the needs of the business
• Troubleshoot production issues, identify root causes, and implement lasting fixes
• Write clear documentation for technical decisions, setup, application behavior, and ongoing support
• Review pull requests and help maintain a consistent standard across the codebase
• Work directly with company leadership, product owners, designers, and other developers
• Use Git with organized branches, meaningful commits, pull requests, and thoughtful code reviews
• Keep Slack updates clear, useful, and timely
• Communicate blockers early instead of allowing work to stall
• Provide visibility into what is complete, what is in progress, and what is coming next
• Test your work before handoff and stay involved through deployment
• Document important decisions, setup details, and next steps
• Help improve team processes when a better approach is available

Requirements:

• Strong professional experience as a software engineer working on production applications
• Hands on experience building and supporting Shopify stores
• Experience with Shopify Liquid, Shopify APIs, Shopify applications, webhooks, metafields, and modern Shopify development practices
• Experience building headless Shopify storefronts
• Strong experience with React, Next.js, TypeScript, JavaScript, HTML, and CSS
• Experience building single page applications
• Experience with server side rendering, static generation, caching, and application performance
• Experience building and consuming REST and GraphQL APIs
• Experience with Node.js or a comparable back end technology
• Experience working with databases, authentication, third party services, and cloud infrastructure
• Practical experience using coding agents, agentic workflows, or similar engineering tools
• A strong understanding of when generated code should be reviewed, tested, corrected, or rewritten
• Ability to work within an existing codebase without needing everything rebuilt from the beginning
• Strong debugging and problem solving skills
• Good judgment when balancing speed, quality, technical debt, and business priorities