Staff Software Engineer

🕒 September 17

🌐 United States, Canada – Remote

🇺🇸 United States – Remote 🇨🇦 Canada – Remote

💵 $175k - $225k / year

⏰ Full Time

🔴 Lead

🧑‍💻 Full-stack Engineer

👻 Ghost score 0%

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Rebuy Engine

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2017

🛍️ eCommerce

🤖 Artificial Intelligence

☁️ SaaS

💰 $17M Series A on 2023-02

eCommerce • Artificial Intelligence • SaaS

Rebuy Engine is a fully connected end-to-end personalization platform powered by AI, designed to enhance e-commerce experiences. The platform aids businesses in creating intelligent shopping experiences through data-driven insights, personalized product recommendations, and seamless integrations with major e-commerce platforms like Shopify Plus. With a focus on increasing conversion rates and average order value (AOV), Rebuy Engine empowers merchants to streamline their sales processes, optimize merchandising strategies, and ultimately drive more revenue across the customer journey.

📋 Description

• 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

🎯 Requirements

• Staff-level ownership with minimal specification and ability to drive technical decisions or migrations end-to-end across multiple systems or teams • Fluent daily use of AI coding tools and judgment to evaluate their output • Strong troubleshooting skills in unfamiliar codebases using TypeScript or PHP • 8+ years building production web applications • Hands-on experience shipping and maintaining PHP (CodeIgniter 4 or comparable MVC framework) and TypeScript with React • Experience owning a revenue-critical, customer-facing production system, including logs, metrics, escalations, and incident resolution • Hands-on BigQuery experience on Google Cloud or another columnar warehouse, including analytical queries and cost awareness • Comfort with MySQL schema design and migrations • Testing discipline across unit and end-to-end suites, including self-directed QA • Secure coding fundamentals for buyer and order data, including OWASP Top 10 • Track record with orchestration and platform-wide, componentized systems • Fit for a remote-first, high-autonomy culture and responsiveness on Slack during working hours • Educational background in CS/Engineering or similar area, or equivalent experience • Preferred: Shopify app development, especially Checkout Extensibility, post-purchase extensions, or Admin and Storefront GraphQL APIs • Preferred: experience with tightly constrained runtimes such as React Native • Preferred: Preact • Preferred: comfort with Kanban and Sprint-based workflows • Eligibility to work in the United States or Canada and sponsorship requirements must be disclosed

🏖️ Benefits

• Fully remote work within the U.S. and Canada • Flexible vacation policy • Generous holiday schedule • Parental leave • Sick policy • Birthday holiday • 100% free health, dental, and insurance for you and your family • U.S. employees: 401(k) retirement plans • Canadian employees: TFSA and RRSP retirement plans • 3% contribution of gross salary for all employees • Flexible work resources, support, and flexibility

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