Founding AI Engineer to Build Core Platform

Factorial HR

Barcelona

Híbrido

EUR 90.000 - 120.000

Jornada completa

Hace 9 días

Generador de candidaturas

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Ventajas ofrecidas por este puesto de trabajo

Private health insurance

WellHub gym access

Cobee benefits

Language classes

Office breakfast

Nora discounts

Pet friendly

Descripción de la vacante

Factorial HR is launching a brand-new spin-off in Barcelona and seeks a Founding Engineer to own major initiatives from day zero. You’ll ship AI-powered features with Ruby on Rails on the backend and React/TypeScript on the frontend, prioritizing practical impact over perfect theory, and you’ll help shape the product from the ground up.

Joining a scrappy, fast-moving team backed by Factorial’s infrastructure and 17,000+ customers, you’ll work toward ambitious goals and mentor juniors while

Formación

4+ years in software engineering
Shipping AI-powered features
Comfortable with Ruby on Rails & React
Ability to explain technical decisions in English
Thrives in a scrappy, early-stage startup environment
Able to break down non-deterministic outputs for team use

Responsabilidades

Take ownership of big initiatives and help plan quarterly roadmaps
Participate in customer calls to understand pains and needs
Review code daily and provide feedback on PRs from all team members
Mentor junior team members and share knowledge across the team
Learn from the entire team and improve engineering quality

Conocimientos

Ruby on Rails

React

TypeScript

AI features

Cloud-native

English fluency

Entrepreneurial mindset

Descripción del empleo

Joining a scrappy, fast-moving team backed by Factorial’s infrastructure and 17,000+ customers, you’ll work toward ambitious goals and mentor juniors while

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