Backend Developer - PHP & Node.JS E-Commerce System by The Loud Minority Communication Lumiere's Backend Developer position targets candidates experienced in building e-commerce backend systems using PHP and Node.JS, with emphasis on backend logic, API integration, database management, order flow, payment, shipping, and system maintenance. Applicants should have experience reading existing code, understanding e-commerce transaction flows, debugging and improving running systems, and using AI tools to support coding, problem solving, debugging, and development productivity. Responsibilities: - Develop, maintain, and improve backend systems for the e-commerce platform. - Create and build REST APIs for frontend, mobile app, and third-party integration needs. - Handle integrations with payment gateway, shipping provider, warehouse system, POS, ERP, and other external services. - Debug issues related to orders, checkout, payment, shipping, inventory, customer, promo, and transaction flow. - Optimize database queries, backend performance, and system reliability. - Read, understand, and enhance existing codebase, including legacy systems. - Assist with data mapping, data migration, and integration testing. - Use AI tools for coding, debugging, code review, technical documentation, and solution exploration. - Collaborate with Technical Lead, Project Manager, Frontend Developer, Mobile Developer, and related team members. - Produce technical documentation for API, flow, and backend logic developed. Requirements: - Experience as a Backend Developer, particularly on e-commerce systems. - Proficiency in PHP and MySQL. - Understanding of REST API concepts, database design, authentication, authorization, and server-side business logic. - Comfortable using Git in development processes. - Knowledge of basic e-commerce flows including product catalog, cart, checkout, order, payment, fulfillment, shipping, promo, and customer account. - Capable of debugging and tracing issues across frontend/API/database/logs. - Able to quickly read and understand existing code. - Familiarity with AI tools such as ChatGPT, GitHub Copilot, Cursor, or similar tools to assist development. - Strong problem-solving skills, attention to detail, and accountability for assigned tasks. - Able to work independently or as part of a team. Plus Points: - Familiarity with e-commerce platforms such as WooCommerce, Shopify, CS-Cart, Magento, or similar platforms. - Experience with Node.js, NestJS, TypeScript, PostgreSQL, Redis, Docker, or comparable technologies. - Knowledge of cloud platforms like AWS, Google Cloud Platform, and Google Kubernetes Engine. - Ability to use CI/CD tools for deployment automation. - Prior experience handling payment gateway integration, shipping aggregator, POS, ERP, warehouse system, loyalty program, or promo engine. - Understanding of queue/background job, webhook, cron job, and event-driven processes. - Experience in data migration or platform migration. - Use of AI to accelerate codebase analysis, draft technical solutions, generate unit tests, or assist with code refactoring.

Backend Developer - PHP & Node.JS E-Commerce System

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