Senior Back-end Engineer - PHP, Node.js

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Back-end Engineer - PHP, Node.js based in Spain. Join a fast-growing global engineering organization building technology that powers commerce at scale.As a Senior Back-end Engineer, you’ll help design and deliver reliable, scalable systems that directly impact products and customers worldwide.You’ll work within a product-focused engineering team where solving meaningful problems matters more than simply writing code.The role offers significant ownership, from technical design and implementation through prioritization, optimization, and continuous improvement.You’ll collaborate closely with product managers and cross-functional stakeholders while contributing to a strong engineering culture.The environment encourages experimentation, knowledge sharing, pair programming, and practical use of AI-assisted development tools.Fully remote across EMEA, this is an opportunity to work with an ambitious international team while maintaining flexibility and autonomy.