Rebuy Engine

Full-stack Engineer

• Own Shopify checkout and post-purchase features across checkout, thank-you, customer-account, and post-purchase surfaces
• Build and maintain Shopify extensions and server-side code that determines displayed offers
• Work within Shopify runtime constraints including bundle size, sandboxed APIs, and strict review
• Rebuild experimentation reporting for Smart Flows and A/B Testing
• Design data models, PHP and TypeScript endpoints, and BigQuery/MySQL queries
• Build secure, well-structured REST APIs in PHP and TypeScript for extensions, admin, and Shopify integrations
• Use GraphQL to communicate with Shopify
• Investigate merchant-reported production problems and identify root causes
• Improve logging and metrics and participate in rotating on-call
• Use Anthropic Claude Code across development, review, and testing
• Perform unit, end-to-end, manual, and real-Shopify-store testing without a separate QA handoff
• Review code and contribute to technical decisions beyond immediate surfaces
• Mentor by example and route ad hoc requests through the Product Manager for prioritization
• Collaborate directly with the Product Manager and engineering peers in a small, high-autonomy team

Staff Software Engineer