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# Backend-First Full Stack Engineer - Ai-Native & End-To-End Ownership

- **Company:** Pillar
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Backend
- **Published:** October 14, 2026
- **Apply:** https://www.buscojobs.com.es/backend-first-full-stack-engineer-ai-native-end-to-end-ownership-en-madrid-ID-376040843

## About the Role

We are seeking a product-minded Full Stack Engineer with backend depth to own features end to end, primarily focusing on backend while maintaining full product ownership.Location options include Milan or Barcelona, with a strong emphasis on Italian or Spanish language proficiency and professional English.
#J-*****-Ljbffr

## Description

Pillar is building a financial operating system for construction, combining AI, automation and modern software.We are seeking a product-minded Full Stack Engineer with backend depth to own features end to end, primarily focusing on backend while maintaining full product ownership.Location options include Milan or Barcelona, with a strong emphasis on Italian or Spanish language proficiency and professional English.#J-*****-Ljbffr