Shopify POS Full Stack Developer

We're looking for an expert Shopify Full Stack Developer to build seamless, robust, and innovative in-store experiences for Shopify Point of Sale (POS) . The ideal candidate has a deep understanding of Node.js and React, and is passionate about creating applications that solve real-world retail challenges. You will be instrumental in bridging the gap between online stores and physical retail operations by developing custom POS UI extensions and integrating essential third-party services. As a key member of our engineering team, you'll ensure our POS solutions are performant, reliable, and perfectly aligned with our clients' business needs. Responsibilities Architect, build, and maintain high-quality, reusable, and performant Shopify POS applications. Develop custom UI Extensions using the Shopify POS UI Extensions SDK to create bespoke in-store workflows. Integrate server-side logic and third-party services with POS frontend components. Collaborate closely with project managers, frontend developers, and clients to define and address technical and business requirements for retail environments. Thoroughly test and debug applications across various devices, including physical Shopify POS hardware. Write clean, well-documented code and build reusable libraries for future use. Stay ahead of emerging technologies and updates within the Shopify POS platform. Troubleshoot complex issues in live retail environments, ensuring minimal disruption to store operations. 4+ years of professional software development experience, with at least 3 years focused on Shopify app development. 1 year of hands-on Shopify Point of Sale (POS) experience. Demonstrable experience building and successfully deploying custom Shopify POS applications and extensions OR retail background is strongly preferred, but not required. Strong proficiency in HTML5, CSS3, JavaScript (ES6+), React, TypeScript. Proven integrations with payment gateways, tax engines, loyalty/fraud platforms, ERP, Inventory, OMS. Education: Degree or certification in software development. Communication: Fluent writing and speaking in English. Good organizational and documentation skills with a detail-oriented mindset. Technical Skills: Integrations between POS and RFID platforms. Knowledge of Latest POS UI Extension Targets. Knowledge of Latest Admin Direct API’s. Experience in iPaaS and event-driven architectures. Observability Implementation (New Relic/Datalog/Sentry, alerts, dashboards, SLIs/SLOs). Knowledge of security best practices Tools & Stack (typical). JavaScript, React, TypeScript, @shopify/retail-ui-extensions(-react), Polaris. Node.js/Remix, Shopify Admin GraphQL, Web hooks, App Bridge. CI/CD with GitHub Actions (or similar), Shopify Partners deploy. AWS (EventBridge, Lambda) or equivalent cloud services. Bonus to have experience integrating POS applications with hardware like receipt printers, barcode scanners, and payment terminals. Bonus to have familiarity with inventory management systems, loyalty programs, or other common retail technologies. Bonus on having experience in other programming languages, such as Python/Ruby/PHP. Soft Skills: Excellent problem-solving skills to analyze information appropriately and find the best solutions taking a balanced view to reach logical conclusions and make relevant decisions. Organizational skills to establish efficient and appropriate plans for self and others and adapt quickly and effectively to unexpected changes whilst still ensuring objectives are met. Remote Work and Flexibility: We offer the option to work remotely, allowing you to manage your time and achieve a healthy work-life balance. If you prefer, you can also choose to work from our office in Miami, FL. or any WeWork Location in the US according to your preferences.