Founding AI Full-Stack Engineer - Build Worldwide Platform

Eleva AI; Barcelona; Hybrid; EUR 40,000 - 65,000; Full time

Benefits offered by this job

Phantom equity

Founding team impact

Career growth path

Barcelona office with flexible in‑offi

Job summary

Eleva AI in Barcelona seeks a Founding Full Stack AI Product Engineer to design and ship end-to-end AI-powered experiences for venues. You’ll own database, agent orchestration, APIs, integrations, admin console and deployment, delivering production-grade features used by live visitors.

You’ll work AI-native every day, build with Python, FastAPI, PostgreSQL, TypeScript and React, and have real ownership with phantom equity as the company scales globally from day one.

Qualifications

• Proven track record shipping production-grade AI-enabled products.
• Experience with end-to-end stack from database to UI.
• Comfort owning end-to-end product development and shipping features.

Responsibilities

• Build end-to-end: database, agent orchestration, APIs, integrations, admin console and deployment.
• Develop AI-native workflows with LLMs, tool calling, RAG and embeddings.
• Ship production-ready features with measurable impact and scale globally.
• Collaborate with founding team to shape platform architecture and culture.

Skills

Python

TypeScript

React

LLMs & agents

REST APIs

SQL

PostgreSQL

Tools

FastAPI

Qdrant

Redis

Git

Job description

Eleva AI in Barcelona seeks a Founding Full Stack AI Product Engineer to design and ship end-to-end AI-powered experiences for venues. You’ll own database, agent orchestration, APIs, integrations, admin console and deployment, delivering production-grade features used by live visitors.

You’ll work AI-native every day, build with Python, FastAPI, PostgreSQL, TypeScript and React, and have real ownership with phantom equity as the company scales globally from day one.