ph3Job Overview /h3 pWe’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. /p pIdeal candidates: /p ul liThink about AI as part of how they engineer, not a feature they add. /li liGet energy from shipping things and seeing them work in the real world. /li liCare more about what they build than what their title says. /li /ul h3What Are We Looking For? /h3 ul liSolid depth in both backend and frontend software engineering. /li liExperience with cloud platforms such as AWS, Azure, or GCP. /li liShipment of real products to production, not just prototypes. /li liStrong understanding of APIs, cloud platforms, and system design. /li liRecognized as a technical and cultural leader, holding the bar high. /li liPushback on processes that do not serve the team, from hiring to deployment. /li liDrive adoption of new abstractions and ensure they are usable. /li liBuilt real AI‑powered systems or workflows, not just tinkered with them. /li liShipped tangible impact, whether at work or on the side. /li liLead key technical decisions and create foundational work used across the company. /li liCommunicates clearly in English; Spanish is a plus. /li /ul h3What You’ll Be Doing /h3 ul liDefine how we build AI at scale and shape design, build, evaluate and run AI‑native product experiences. /li liLead spec‑driven development, driving clear expectations before shipping. /li liBuild reusable AI foundations to prevent patchwork experiments. /li liDesign and evolve modular, reusable AI skills that automate real workflows.



/li liEstablish robust evaluation frameworks for trustworthiness and reliability. /li liShape retrieval‑augmented generation strategies that balance probabilistic models with deterministic truth. /li liArchitect human‑in‑the‑loop and agentic workflows combining LLMs, rules, and oversight. /li liOwn systems end‑to‑end, from problem discovery to long‑term maintenance. /li liStay connected to customers for context‑driven decisions. /li liPartner with Product, Design, and Leadership to weave AI into the product roadmap. /li liRaise the bar across the company through mentoring, hiring, and practice improvement. /li /ul h3How We Work /h3 pWe follow an office‑first, adaptable schedule: on‑site several days a week for collaboration, with remote work allowed when it makes sense for focus or personal needs. Barcelona or Madrid office is available. /p h3Perks and Benefits /h3 ul liHigh‑growth, multicultural, friendly environment. /li liAnonymous health insurance through Alan. /li liWellhub for healthy life (gyms, pools, outdoor classes). /li liSavings through Cobee. /li liLanguage classes. /li liBreakfast in the office and organic fruit. /li liFood discounts with Nora. /li liPet friendly workplace. /li liMore details provided during the interview process. /li /ul h3EEO Statement /h3 pWe believe in diverse talent: we welcome applicants from all backgrounds and strongly encourage people of diverse experiences and identities to apply. We are committed to equal opportunities and actively promote workplace inclusion of people with disabilities. /p /p #J-18808-Ljbffr

📌 Staff AI Product Software Engineer (Barcelona)
🏢 Factorial
📍 Barcelona