Senior Full Stack PHP Developer, Product Catalogue and Quoting

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Full Stack PHP Developer, Product Catalogue and Quoting based in Spain. We are seeking an experienced Senior Full Stack PHP Developer to lead the architecture and development of a new product catalogue and quoting platform from the ground up. In this hands-on role, you will build scalable systems capable of ingesting, processing, and maintaining millions of product records from multiple sources. You will combine deep PHP and Symfony expertise with strong data modeling skills to deliver reliable product information management, robust APIs, and flexible quoting functionality. Your work will also involve asynchronous processing, web scraping, caching, monitoring, and contributing to a modern frontend using React. Collaborating with developers and product data specialists, you will have substantial ownership over technical decisions, system reliability, and long-term product direction. This is a full-time remote opportunity for a Europe-based professional who can maintain regular working-hour overlap with the team between 10:00 a.m. and 7:00 p.m. Paris time.