Experteer Overview

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In this Founding Engineer role, you’ll help build a new AI-driven startup inside Factorial, from day zero. You’ll own major initiatives, shape the technical roadmap, and ship practical AI features in a cloud-native environment. You’ll work closely with cross-functional teams to turn incomplete information into reliable, usable products. This is a fast-paced, founder-style role with real runway and a strong emphasis on delivery, impact, and learning by doing.

Compensaciones / Incentivos

- Own and drive big initiatives with quarterly roadmaps and clear technical needs
- Engage in customer conversations to understand pains and requirements
- Review code daily and provide feedback across the team, including juniors
- Mentor teammates and share knowledge to improve engineering quality
- Collaborate on architecture, performance, and domain-specific challenges
- Integrate AI models into scalable,



cloud-native systems and evaluate non-deterministic outputs
- Balance speed with reliability, focusing on real user value and measurable outcomes

Responsabilidades

- 4+ years in software engineering with track record or strong curiosity in shipping AI features
- Proficiency in Ruby on Rails (backend) and React or TypeScript (frontend)
- Experience integrating AI models into production and operating in probabilistic, non-deterministic contexts
- Ability to explain complex technical decisions to non-technical stakeholders xugodme
- Comfort reviewing agentic workflows and discussing LLM architecture tradeoffs
- Capability to own the full loop: build, deploy, measure, and iterate on AI features
- Experience working in cloud-native environments and coordinating with cross-functional teams

Requisitos principales

- Alan as private health insurance
- Wellhub gym and wellness benefits
- Cobee expense savings
- Language classes
- Breakfast in the office and organic fruit
- Pet friendly

📌 Founding Engineer (Barcelona)
🏢 Factorial Hr
📍 Barcelona