Node.js Developer for Shopify App Issues & Bug Fixes

We are looking for an experienced Node.js Developer with strong Shopify app development experience to troubleshoot, debug, and resolve issues in our existing Shopify application. Responsibilities: - Identify and fix bugs in our Node.js-based Shopify app. - Debug API integrations, webhooks, and authentication issues. - Optimize application performance and ensure stability. - Work with Shopify Admin APIs, GraphQL/REST APIs, and app extensions. - Maintain clean, scalable, and well-documented code. Requirements: - Proven experience with Node.js and Shopify app development. - Strong knowledge of Shopify APIs, OAuth, webhooks, and app architecture. - Experience with JavaScript/TypeScript, Express.js, and databases such as MongoDB or PostgreSQL. - Ability to quickly diagnose issues and deliver reliable fixes. - Excellent communication skills and attention to detail.