Product-Driven Full-Stack Engineer (Backend-First)

Pillar; Lombardia; On-site; EUR 55,000 - 75,000; Full time

Job summary

Pillar is seeking a product-minded Full Stack Engineer with a backend emphasis to help us scale our AI-driven financial operating system for construction. You will own features end to end, work across Next.js/React/TypeScript, and deepen backend architecture while maintaining the full product picture.

We value hands-on ownership, fast iteration in small squads, and comfort with AI-native workflows. Location options include Milan or Barcelona, with English proficiency and Italian/Spanish language

Qualifications

• Hands-on product engineer with backend depth.
• Startup/scaleup experience and ownership mindset.
• Italian or Spanish native with professional English.

Responsibilities

• Own features end to end from problem to production.
• Build across TypeScript stack: Next.js, React, Supabase, Node/Deno, Postgres.
• Own backend logic, data models, APIs and architecture.
• Collaborate in small squads with autonomy and fast decision making.
• Apply AI as a native part of engineering workflow.

Skills

Backend depth

Full stack

Next.js

React

TypeScript

AI-native mindset

Tools

Supabase

Mastra

Postgres

Node/Deno

Job description

Pillar is seeking a product-minded Full Stack Engineer with a backend emphasis to help us scale our AI-driven financial operating system for construction. You will own features end to end, work across Next.js/React/TypeScript, and deepen backend architecture while maintaining the full product picture.

We value hands-on ownership, fast iteration in small squads, and comfort with AI-native workflows. Location options include Milan or Barcelona, with English proficiency and Italian/Spanish language