Overview In this role you will help build and scale Factorial’s AI-driven Finance domain, transforming how invoices, payments, and analytics are handled. You’ll own end-to-end impact, from problem definition to measuring real outcomes, not just coding. You’ll contribute to an AI platform that automates core finance workflows and supports cross-functional teams. This is a fast-moving, hands-on role focused on delivering tangible value through probabilistic, AI-enabled features.

Compensaciones / BeneficiosAlan private health insuranceWellhub gym accessCobee expense managementLanguage classesBreakfast in the office and organic fruitFood discounts with Nora ResponsabilidadesDesign system architectures for multi-agent AI featuresWrite high-level prompts to guide multi-agent code generationReview and validate AI-generated outputs for security, scalability,



and structureOrchestrate parallel AI agents to ensure coherent feature outputsDefine workflows and experiment with new approaches; share findings with the teamAssist in transitioning teammates from deterministic to probabilistic thinking Requisitos principales4+ years in software engineeringExperience shipping AI-powered features with production evaluationComfort reviewing agentic workflows and understanding LLM tradeoffsAbility to break down non-deterministic outputs for the team to reason aboutProficiency in Ruby on Rails and React; experience integrating AI models into cloud-native environmentsAbility to explain complex technical decisions in clear EnglishOwns end-to-end AI feature lifecycle: build, deploy, measure, adjustCollaborative mindsetProblem-solving and curiosityClear communicator who can explain complex ideas to non-engineersAI feature development and evaluation in productionAgentic/workflow design with multi-agent systemsLLM architecture tradeoffs

📌 Senior Product Engineer - Finance Domain - barcelona
🏢 Jobrapido
📍 Barcelona