Senior Fullstack Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps.

Our partner is looking for a Senior Fullstack Engineer based in Spain.

This is a high-ownership engineering role for a senior developer who thrives in complex, production-grade environments and enjoys end-to-end responsibility over systems.

You will design, build, and operate full-stack features spanning backend APIs and modern frontend interfaces, while actively shaping architecture, quality st…