Experteer Overview As a Product Engineer at Factorial, you will shape the AI-driven finance domain, building scalable multi-agent features that automate finance workflows. You’ll own the end-to-end loop from problem definition to measuring impact, ensuring reliability and user value. You’ll work with a fast, hands-on team to push probabilistic, LLM-integrated solutions on top of Ruby on Rails and React. This role offers the chance to influence core product decisions and drive real, measurable outcomes for thousands of users.Compensaciones / Ventajas
- Design and architect complex AI-enabled features and multi-agent workflows
- Define high-level prompts and orchestrate agents to generate underlying code
- Review, validate, and ensure security, scalability, and coherence of agent outputs
- Define workflows, run experiments, and share findings to drive fast iteration




- Collaborate with cross-functional teammates to translate AI hypotheses into working productsResponsabilidades
- 4+ years in software engineering with a track record shipping AI features
- Experience with reviewing agentic workflows and understanding LLM architecture tradeoffs
- Ability to break down non-deterministic outputs for actionable downstream use
- Proficiency with Ruby on Rails u0026 React and integrating AI models into scalable environments
- Able to explain complex technical decisions in plain English to non-technical stakeholders
- Willingness to own the end-to-end product loop from hypothesis to measurementRequisitos principales
- ESOP plan
- Alan private health insurance
- Wellhub fitness benefits
- Cobee for expenses
- Language classes
- Office breakfasts and organic fruit

📌 Senior Product Engineer - Finance Domain (Barcelona)
🏢 Factorial Hr
📍 Barcelona