Job Overview
We're looking for Staff Engineers to lead the shift toward AI‐powered Business Management software, not as an add‐on, but as a core part of how people work, decide and grow.
Adecuado candidates:
- Think about AI as part of how they engineer, not a feature they add.
- Get energy from shipping things and seeing them work in the real world.
- Care more about what they build than what their title says.

What Are We Looking For?
- Solid depth in both backend and frontend software engineering.
- Experience with cloud platforms such as AWS, Azure, or GCP.
- Shipment of real products to production, not just prototypes.
- Strong understanding of APIs, cloud platforms, and system design.
- Recognized as a technical and cultural leader, holding the bar high.
- Pushback on processes that do not serve the team, from hiring to deployment.
- Drive adoption of new abstractions and ensure they are usable.
- Built real AI‐powered systems or workflows, not just tinkered with them.
- Shipped tangible impact, whether at work or on the side.




- Lead key technical decisions and create foundational work used across the company.
- Communicates clearly in English; Spanish is a plus.

What You'll Be Doing
- Define how we build AI at scale and shape design, build, evaluate and run AI‐native product experiences.
- Lead spec‐driven development, driving clear expectations before shipping.
- Build reusable AI foundations to prevent patchwork experiments.
- Design and evolve modular, reusable AI skills that automate real workflows.
- Establish robust evaluation frameworks for trustworthiness and reliability.
- Shape retrieval‐augmented generation strategies that balance probabilistic models with deterministic truth.
- Architect human‐in‐the‐loop and agentic workflows combining LLMs, rules, and oversight.
- Own systems end‐to‐end, from problem discovery to long‐term maintenance.
- Stay connected to customers for context‐driven decisions.
- Partner with Product, Design, and Leadership to wea

📌 Staff Software Engineer (Cataluña)
🏢 Factorial
📍 Cataluña